/* Main stylesheet - Stripe-inspired design system, unified with gradient buttons. */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --background: #f6f9fc;
    --surface: #ffffff;
    --text-primary: #0a2540;
    --text-secondary: #425466;
    --border-color: #e3e8ee;
    --border-radius: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 1px 3px 0 rgb(0 0 0 / 0.05), 0 0 0 1px rgb(0 0 0 / 0.04);
    --detail-page-max-width: 800px;
    --shadow-card-hover: 0 4px 12px -2px rgb(0 0 0 / 0.08), 0 0 0 1px rgb(0 0 0 / 0.04);
    --shadow-elevated: 0 8px 24px -4px rgb(0 0 0 / 0.08), 0 0 0 1px rgb(0 0 0 / 0.04);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.04);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.06), 0 2px 4px -2px rgb(0 0 0 / 0.04);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.06), 0 4px 6px -4px rgb(0 0 0 / 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content a:not(.btn):not(.nav-link):not(.nav-brand):not([class*="dropdown"]):not([class*="sidebar"]) {
    color: var(--primary-color);
    text-decoration: none;
}

.main-content a:not(.btn):not(.nav-link):not(.nav-brand):not([class*="dropdown"]):not([class*="sidebar"]):hover {
    text-decoration: underline;
}

/* Navigation - Stripe-style minimal */
.navbar {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 0 0 rgb(0 0 0 / 0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.nav-left {
    flex-shrink: 0;
}

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.nav-burger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-primary);
    margin: 0 auto;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-color);
}

/* Avatar Dropdown */
.nav-avatar-dropdown {
    position: relative;
}

.nav-profile-card {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.375rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.nav-profile-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgb(37 99 235 / 0.1);
}

.nav-profile-pic {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
}

.nav-profile-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
}

.nav-profile-name-row {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.nav-profile-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.nav-profile-email {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.avatar-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
    min-width: 160px;
    padding: 0.375rem 0;
    z-index: 200;
    overflow: hidden;
}

.avatar-dropdown-menu.show {
    display: block;
}

.avatar-dropdown-item {
    display: block;
    width: 100%;
    padding: 0.625rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.15s;
    text-align: left;
}

.avatar-dropdown-item:hover {
    background-color: var(--background);
}

.avatar-dropdown-logout {
    color: var(--danger-color);
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.avatar-dropdown-logout:hover {
    background-color: #fef2f2;
}

.avatar-dropdown-form {
    margin: 0;
}

/* Nav sidebar (mobile) */
.nav-sidebar {
    position: fixed;
    inset: 0;
    z-index: 300;
    pointer-events: none;
    visibility: hidden;
    transition: visibility 0.2s;
}

.nav-sidebar.show {
    pointer-events: auto;
    visibility: visible;
}

.nav-sidebar-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.2s;
}

.nav-sidebar.show .nav-sidebar-backdrop {
    opacity: 1;
}

.nav-sidebar-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 85vw;
    background: var(--surface);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.2s ease-out;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.nav-sidebar.show .nav-sidebar-panel {
    transform: translateX(0);
}

.nav-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.nav-sidebar-title {
    font-weight: 600;
    font-size: 1rem;
}

.nav-sidebar-close {
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 1.5rem;
    line-height: 1;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
}

.nav-sidebar-links {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0;
}

.nav-sidebar-link {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: background-color 0.15s;
}

.nav-sidebar-link:hover {
    background-color: var(--background);
}

.nav-sidebar-logout {
    width: 100%;
    text-align: left;
    font-family: inherit;
    cursor: pointer;
    color: var(--danger-color);
    border: none;
    background: none;
}

.nav-sidebar-logout:hover {
    background-color: #fef2f2;
}

.nav-sidebar-form {
    margin: 0;
}

.nav-sidebar-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--background);
}

.nav-sidebar-pic {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    flex-shrink: 0;
}

.nav-sidebar-profile-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.nav-sidebar-profile-name-row {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.nav-sidebar-profile-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-sidebar-profile-email {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Role icons (shield=admin, graduation cap=teacher) - same colors as role badges */
.role-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    cursor: help;
}

.role-icon i {
    font-size: 0.875rem;
}

.role-icon-admin,
.role-icon-admin i {
    color: #9d174d;
}

.role-icon-teacher,
.role-icon-teacher i {
    color: #92400e;
}

.role-icon-student,
.role-icon-student i {
    color: #3730a3;
}

.role-icon-tooltip {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    white-space: nowrap;
    background: var(--text-primary);
    color: white;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    pointer-events: none;
    z-index: 50;
}

.role-icon-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--text-primary);
}

.role-icon:hover .role-icon-tooltip {
    opacity: 1;
    visibility: visible;
}

/* Badge icons - inline with text, inherit badge color */
.role-badge-icon {
    display: inline-block;
    flex-shrink: 0;
}

/* Mobile: show burger on right, hide nav-links and profile card, show profile in sidebar */
@media (max-width: 768px) {
    .nav-burger {
        display: flex;
    }

    .nav-profile-desktop {
        display: none !important;
    }

    .nav-links {
        display: none !important;
    }
}

/* Main Content - constrained width everywhere except dashboard */
.main-content {
    flex: 1;
    max-width: var(--detail-page-max-width);
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

body.dashboard .main-content {
    max-width: 1200px;
}

/* Flash Messages - subtle, unified */
.flash-message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-weight: 500;
    box-shadow: var(--shadow-card);
}

.flash-success {
    background: linear-gradient(to bottom, #f0fdf4, #ecfdf5);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.flash-error {
    background: linear-gradient(to bottom, #fef2f2, #fef2f2);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.flash-info {
    background: linear-gradient(to bottom, #f8fafc, #f1f5f9);
    color: #1e40af;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

/* Error page */
.error-content {
    text-align: center;
    padding: 3rem 2rem;
}

.error-title {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.error-message {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.error-debug {
    text-align: left;
    margin: 1.5rem auto;
    max-width: 600px;
    background: var(--background);
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.error-debug pre {
    white-space: pre-wrap;
    word-break: break-all;
}

/* Typography */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header .page-title {
    margin-bottom: 0;
}

.page-header-text .page-title {
    margin-bottom: 0.25rem;
}

.page-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
    margin: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    line-height: 1.5;
    border: none;
    box-shadow:
        0 1px 1px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: -1;
}

.btn:hover::after {
    opacity: 1;
}

.btn:active {
    transform: translateY(0.5px);
    transition-duration: 0.05s;
    box-shadow:
        0 0 0 rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.1),
        inset 0 1px 2px rgba(0, 0, 0, 0.12);
}

.btn:active::after {
    transition-duration: 0.05s;
}

.btn-primary {
    background: linear-gradient(to bottom, #3b82f6, #2563eb);
    color: white;
    box-shadow:
        0 1px 2px rgba(37, 99, 235, 0.3),
        0 0 0 1px rgba(37, 99, 235, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary::after {
    background: linear-gradient(to bottom, #60a5fa, #3b82f6);
}

.btn-primary:hover {
    box-shadow:
        0 2px 4px rgba(37, 99, 235, 0.35),
        0 0 0 1px rgba(37, 99, 235, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:active {
    box-shadow:
        0 0 0 rgba(37, 99, 235, 0.3),
        0 0 0 1px rgba(37, 99, 235, 0.8),
        inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

.btn-primary:active::after {
    opacity: 0;
    background: linear-gradient(to bottom, #2563eb, #1d4ed8);
}

.btn-secondary {
    background: linear-gradient(to bottom, #ffffff, #f8fafc);
    color: var(--text-primary);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.06),
        0 0 0 1px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.btn-secondary::after {
    background: linear-gradient(to bottom, #f8fafc, #f1f5f9);
}

.btn-secondary:hover {
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.btn-secondary:active {
    box-shadow:
        0 0 0 rgba(0, 0, 0, 0.06),
        0 0 0 1px rgba(0, 0, 0, 0.12),
        inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

.btn-secondary:active::after {
    opacity: 0;
    background: linear-gradient(to bottom, #f1f5f9, #e2e8f0);
}

.btn-success {
    background: linear-gradient(to bottom, #34d399, #10b981);
    color: white;
    box-shadow:
        0 1px 2px rgba(16, 185, 129, 0.3),
        0 0 0 1px rgba(16, 185, 129, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-success::after {
    background: linear-gradient(to bottom, #6ee7b7, #34d399);
}

.btn-success:hover {
    box-shadow:
        0 2px 4px rgba(16, 185, 129, 0.35),
        0 0 0 1px rgba(16, 185, 129, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-success:active {
    box-shadow:
        0 0 0 rgba(16, 185, 129, 0.3),
        0 0 0 1px rgba(16, 185, 129, 0.8),
        inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

.btn-success:active::after {
    opacity: 0;
    background: linear-gradient(to bottom, #10b981, #059669);
}

.btn-warning {
    background: linear-gradient(to bottom, #fbbf24, #f59e0b);
    color: white;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
    box-shadow:
        0 1px 2px rgba(245, 158, 11, 0.3),
        0 0 0 1px rgba(245, 158, 11, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-warning::after {
    background: linear-gradient(to bottom, #fcd34d, #fbbf24);
}

.btn-warning:hover {
    box-shadow:
        0 2px 4px rgba(245, 158, 11, 0.35),
        0 0 0 1px rgba(245, 158, 11, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-warning:active {
    box-shadow:
        0 0 0 rgba(245, 158, 11, 0.3),
        0 0 0 1px rgba(245, 158, 11, 0.8),
        inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

.btn-warning:active::after {
    opacity: 0;
    background: linear-gradient(to bottom, #f59e0b, #d97706);
}

.btn-danger {
    background: linear-gradient(to bottom, #f87171, #ef4444);
    color: white;
    box-shadow:
        0 1px 2px rgba(239, 68, 68, 0.3),
        0 0 0 1px rgba(239, 68, 68, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-danger::after {
    background: linear-gradient(to bottom, #fca5a5, #f87171);
}

.btn-danger:hover {
    box-shadow:
        0 2px 4px rgba(239, 68, 68, 0.35),
        0 0 0 1px rgba(239, 68, 68, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-danger:active {
    box-shadow:
        0 0 0 rgba(239, 68, 68, 0.3),
        0 0 0 1px rgba(239, 68, 68, 0.8),
        inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

.btn-danger:active::after {
    opacity: 0;
    background: linear-gradient(to bottom, #ef4444, #dc2626);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: color 0.2s;
}

.btn-icon:hover {
    color: var(--primary-color);
}

.btn-text {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.15s;
}

.btn-text-danger {
    color: var(--danger-color);
}

.btn-text-danger:hover {
    color: var(--danger-hover);
    background-color: #fef2f2;
}

/* Forms */
.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.form-container.form-container-wide {
    max-width: 720px;
}

.form-card {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
}

.form-card + .form-card {
    margin-top: 1.5rem;
}

.form-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1.25rem 0;
}

.form-section-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: -0.5rem 0 1.25rem 0;
}

.form-section-desc code {
    background: rgba(0, 0, 0, 0.06);
    padding: 0.1em 0.35em;
    border-radius: 3px;
    font-size: 0.9em;
}

.form-card + .form-actions {
    margin-top: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: inherit;
    background-color: var(--surface);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.12);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-help {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.form-checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-checkbox {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary-color);
}

.form-checkbox-label {
    font-weight: 500;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

/* Auth Pages */
body.auth-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-page-inner {
    width: 100%;
}

.auth-container.auth-standalone {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 2rem;
}

.auth-card {
    background-color: var(--surface);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-elevated);
    width: 100%;
    max-width: 400px;
}

.auth-title {
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.auth-form {
    margin-bottom: 1.5rem;
}

.auth-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Dashboard */
.dashboard {
    padding: 2rem 0;
}

.dashboard-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.dashboard-stat-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.dashboard-stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
}

.dashboard-stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dashboard-charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-chart-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
}

.dashboard-chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.dashboard-chart-subtitle {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.dashboard-chart-inner {
    position: relative;
    min-height: 200px;
}

.dashboard-chart-doughnut {
    max-width: 280px;
    margin: 0 auto;
}

.dashboard-table-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    margin-bottom: 2rem;
}

.dashboard-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.dashboard-table-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.dashboard-empty-text {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    padding: 1.5rem 0;
    margin: 0;
}

.dashboard-actions {
    margin-top: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.dashboard-card {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.dashboard-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-card-hover);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Tables - Stripe-style clean */
.table-container {
    background-color: var(--surface);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    overflow: visible;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background-color: var(--background);
}

.data-table th {
    padding: 0.875rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: var(--background);
}

.timestamp {
    cursor: help;
}

.data-table .actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Dropdown actions - triple-dot menu for table rows */
.dropdown-actions {
    position: relative;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.dropdown-trigger:hover {
    background: var(--background);
    color: var(--text-primary);
}

.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    min-width: 160px;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
    padding: 0.25rem 0;
    z-index: 200;
}

.dropdown-actions.show {
    position: relative;
    z-index: 100;
}

.dropdown-actions.show .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    text-align: left;
    font-size: 0.875rem;
    color: var(--text-primary);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--background);
}

.dropdown-item.danger {
    color: var(--danger-color);
}

.dropdown-menu form {
    margin: 0;
}

.dropdown-menu button.dropdown-item {
    font-family: inherit;
}

.link-subtle {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.link-subtle:hover {
    color: var(--primary-color);
}

/* User profile page */
.user-profile-header {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.user-profile-avatar {
    flex-shrink: 0;
}

.user-profile-pic {
    width: 96px;
    height: 96px;
    border-radius: 50%;
}

.user-profile-info {
    flex: 1;
    min-width: 0;
}

.user-profile-name {
    margin-bottom: 0.25rem;
}

.user-profile-email {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.user-profile-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.user-profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.user-profile-stats .stat-card {
    padding: 1.25rem;
}

.user-profile-attempts .section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Badges - Subtle, unified with gradient aesthetic */
.status-badge,
.role-badge,
.code-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: 6px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-badge.status-open,
.status-badge.status-active {
    background: linear-gradient(to bottom, #ecfdf5, #d1fae5);
    color: #047857;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.status-closed,
.status-badge.status-expired {
    background: linear-gradient(to bottom, #fef2f2, #fee2e2);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-badge.status-in_progress {
    background: linear-gradient(to bottom, #eff6ff, #dbeafe);
    color: #1d4ed8;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.status-badge.status-completed {
    background: linear-gradient(to bottom, #ecfdf5, #d1fae5);
    color: #047857;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.role-badge.role-admin {
    background: linear-gradient(to bottom, #fffbeb, #fef3c7);
    color: #92400e;
}

.role-badge.role-teacher {
    background: linear-gradient(to bottom, #eff6ff, #dbeafe);
    color: #1d4ed8;
}

.role-badge.role-student {
    background: linear-gradient(to bottom, #eef2ff, #e0e7ff);
    color: #3730a3;
}

.role-badge.role-teacher {
    background: linear-gradient(to bottom, #fef3c7, #fde68a);
    color: #92400e;
}

.role-badge.role-admin {
    background: linear-gradient(to bottom, #fce7f3, #fbcfe8);
    color: #9d174d;
}

.code-badge {
    background: linear-gradient(to bottom, var(--background), #f1f5f9);
    color: var(--text-primary);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.8125rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

.copyable-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copyable-input {
    flex: 1;
    min-width: 0;
    font-size: 0.8125rem;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.btn-copy {
    flex-shrink: 0;
}

.btn-copy-done {
    background: var(--success-color) !important;
    color: white !important;
}

.text-muted {
    color: var(--text-secondary);
    font-style: italic;
}

/* Questions */
.questions-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.question-item {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
}

.question-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.question-number {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.125rem;
}

.question-type-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.question-type-badge.question-type-multi_choice {
    background: linear-gradient(to bottom, #eff6ff, #dbeafe);
    color: #1d4ed8;
}

.question-type-badge.question-type-free_input {
    background: linear-gradient(to bottom, #eef2ff, #e0e7ff);
    color: #3730a3;
}

.question-category {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.question-actions {
    margin-left: auto;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.question-content {
    margin-top: 1rem;
}

.question-text {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.answer-options {
    list-style: none;
    padding-left: 0;
}

.answer-options li {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background-color: var(--background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.answer-options li.correct-answer {
    background-color: #d1fae5;
    border-color: var(--success-color);
}

.correct-badge {
    float: right;
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.option-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.option-row .form-input {
    flex: 1;
}

/* Attempts */
.attempts-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.attempt-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-card);
}

.attempt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.attempt-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.attempt-details {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.attempt-details p {
    margin-bottom: 0.5rem;
}

.attempt-actions {
    margin-top: 1rem;
}

.category-breakdown {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.category-breakdown h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem;
    background-color: var(--background);
    border-radius: var(--border-radius);
}

.breakdown-category {
    font-weight: 500;
    color: var(--text-primary);
}

.breakdown-score {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Inline Forms */
.inline-form-row {
    display: flex;
    gap: 0.5rem;
}

.inline-form-row .form-input {
    flex: 1;
    min-width: 0;
}

/* Categories Accordion */
.category-add-form {
    background-color: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.category-accordion {
    display: flex;
    flex-direction: column;
    background-color: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.category-card {
    border-bottom: 1px solid var(--border-color);
}

.category-card:last-child {
    border-bottom: none;
}

.category-card-header {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.25rem;
    text-decoration: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.15s;
    gap: 0.75rem;
}

.category-card-header:hover {
    background-color: var(--background);
}

.category-card-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.category-card-chevron::before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-left: 5px solid var(--text-secondary);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

.category-card.is-expanded .category-card-chevron {
    transform: rotate(90deg);
}

.category-card.is-expanded .category-card-header {
    background-color: var(--background);
    border-bottom: 1px solid var(--border-color);
}

.category-card-name {
    font-weight: 500;
    font-size: 0.9375rem;
    flex: 1;
}

.category-card-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background-color: var(--background);
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-weight: 600;
    flex-shrink: 0;
}

.category-card.is-expanded .category-card-count {
    background-color: var(--surface);
}

.category-card-body {
    padding: 1.5rem 1.25rem 1.5rem 3.25rem;
    background-color: var(--background);
}

.category-section {
    margin-bottom: 1.5rem;
}

.category-section:last-child {
    margin-bottom: 0;
}

.category-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.625rem;
}

.subcategory-add-form {
    margin-bottom: 0.75rem;
}

.subcategory-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.subcategory-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background-color: var(--surface);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.subcategory-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.category-danger-zone {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

.empty-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
    padding: 1rem 0;
}

.empty-state {
    background-color: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    padding: 4rem 2rem;
    text-align: center;
}

.empty-state-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.empty-state-icon svg {
    width: 48px;
    height: 48px;
}

.empty-state-icon i {
    font-size: 3rem;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state-description {
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto;
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab {
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s;
}

.tab:hover {
    color: var(--primary-color);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--surface);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding: 2rem 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: row;
        flex-wrap: nowrap;
        padding: 1rem;
    }

    .nav-links {
        display: none !important;
    }

    .main-content {
        padding: 1rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .data-table {
        font-size: 0.875rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .category-card-body {
        padding-left: 1.25rem;
    }

    .block-add-form-row {
        flex-direction: column;
    }

    .block-add-field-small {
        min-width: auto !important;
    }

    .block-add-field-btn {
        min-width: auto !important;
    }

    .block-info {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.5rem !important;
    }

    .block-item {
        flex-direction: column;
        align-items: flex-start !important;
    }

    .block-actions {
        margin-left: 0 !important;
        margin-top: 0.75rem;
    }
}

/* Blocks Editor - within detail-section */
.blocks-add-forms {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.block-add-form {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
}

.block-add-form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.block-add-field {
    flex: 1;
}

.block-add-field-small {
    min-width: 120px;
    flex: 0;
}

.block-add-field-btn {
    flex: 0;
    min-width: fit-content;
}

.block-type-label {
    display: flex;
    align-items: center;
    height: 2.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Track open - blocks readonly */
.blocks-open-notice {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(245, 158, 11, 0.06) 100%);
    border: 1px solid rgba(245, 158, 11, 0.4);
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.blocks-open-notice p {
    margin: 0 0 0.5rem 0;
}

.blocks-open-notice p:last-child {
    margin-bottom: 0;
}

.blocks-open-notice a {
    color: var(--primary-color);
    font-weight: 500;
}

.blocks-section-disabled {
    opacity: 0.65;
    pointer-events: none;
}

.blocks-section-disabled .block-item {
    cursor: default;
}

.block-add-fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

/* Block Sequence */
.blocks-sequence {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
}

.block-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-card);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    cursor: grab;
}

.block-item:active {
    cursor: grabbing;
}

/* Sortable.js: ghost = placeholder where item will land */
.block-item.sortable-ghost {
    opacity: 0.4;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0.03) 100%);
    border: 2px dashed var(--primary-color);
}

/* Sortable.js: chosen/drag = item being dragged (follows cursor) */
.block-item.sortable-chosen,
.block-item.sortable-drag {
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.block-drag-handle {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    cursor: grab;
    padding: 0.25rem;
}

.block-drag-handle:hover {
    color: var(--text-primary);
}

.block-item:hover {
    border-color: var(--primary-color);
}

.block-item.block-type-break {
    border-left: 3px solid var(--warning-color);
}

.block-item.block-type-quiz {
    border-left: 3px solid var(--primary-color);
}

.block-order {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-secondary);
    min-width: 2rem;
    text-align: center;
}

.block-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.block-type-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}

.block-badge-quiz {
    background: linear-gradient(to bottom, #eff6ff, #dbeafe);
    color: #1d4ed8;
}

.block-badge-break {
    background: linear-gradient(to bottom, #fffbeb, #fef3c7);
    color: #92400e;
}

.block-badge-randomized {
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    background: linear-gradient(to bottom, #f0fdf4, #dcfce7);
    color: #166534;
}

.form-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    cursor: pointer;
    white-space: nowrap;
}

.block-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.block-title {
    font-weight: 500;
    color: var(--text-primary);
}

.block-timer {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
}

.block-actions {
    margin-left: auto;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.block-connector {
    display: flex;
    justify-content: center;
    height: 24px;
}

.blocks-summary {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.blocks-summary-item strong {
    color: var(--text-primary);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
    margin-top: 2rem;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0.25rem 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    background-color: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: all 0.15s;
}

.pagination-link:hover {
    background-color: var(--background);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-link.active {
    background: linear-gradient(to bottom, #3b82f6, #2563eb);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.3);
}

.pagination-link.disabled {
    color: var(--text-secondary);
    opacity: 0.5;
    pointer-events: none;
}

.pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================
   Search Bar
   ============================================ */
.search-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.search-input {
    flex: 1;
    padding: 0.625rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: var(--surface);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.12);
}

.search-clear {
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: all 0.15s;
}

.search-clear:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.detail-page-wrapper .breadcrumbs {
    margin-bottom: 1rem;
}

.breadcrumb-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--text-secondary);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   Stat Cards & Grid
   ============================================ */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* ============================================
   Chart Containers
   ============================================ */
.dashboard-charts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-container {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

/* ============================================
   Detail Pages - Stripe-style single column
   ============================================ */
.detail-page-wrapper {
    max-width: var(--detail-page-max-width);
    margin: 0 auto;
}

.detail-page-wrapper .breadcrumbs {
    margin-bottom: 1rem;
}

.detail-layout {
    max-width: var(--detail-page-max-width);
    margin: 0 auto;
}

.detail-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

.detail-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.detail-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
    margin: 0;
}

.detail-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.detail-section {
    background-color: var(--surface);
    border-radius: var(--border-radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.detail-section.detail-stats-row {
    padding: 0;
    background-color: #fafbfc;
    box-shadow: 0 1px 0 0 rgb(0 0 0 / 0.04);
}

.detail-stats-row {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    width: 100%;
    padding: 0;
    gap: 0;
}

.detail-stats-row .detail-stat {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-right: 1px solid var(--border-color);
}

.detail-stats-row .detail-stat:last-child {
    border-right: none;
}

.detail-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-stat-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.detail-stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-stats-row .detail-stat-value,
.detail-stats-row .detail-stat-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.detail-stats-row .detail-stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-section-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.detail-section-content {
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.detail-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
    margin-top: 0.5rem;
}

.detail-meta-item {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.detail-meta-item strong {
    color: var(--text-primary);
}

/* Status banner - subtle */
/* Block preview flow - horizontal blocks with arrows */
.block-preview-card {
    margin-bottom: 1rem;
    overflow: visible;
}

.block-preview-card .detail-section-title {
    margin-bottom: 0.25rem;
}

.block-preview-description {
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.block-preview-description a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
}

.block-preview-description a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.block-preview-flow {
    display: flex;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 0;
    width: 100%;
    min-width: 0;
    overflow: visible;
}

.block-preview-card {
    overflow: visible;
}

/* Arrow-shaped interlocking blocks - match Stripe-style .btn appearance */
.block-preview-item {
    flex: 1 1 0;
    min-width: 80px;
    padding: 0.75rem 1.25rem;
    font-size: 0.8125rem;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    transition: box-shadow 0.2s ease, transform 0.05s ease;
    /* Prevent sub-pixel gaps at clip-path edges */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-clip-path: polygon(0 0, 18px 50%, 0 100%, 100% 100%, calc(100% - 18px) 50%, 100% 0);
    clip-path: polygon(0 0, 18px 50%, 0 100%, 100% 100%, calc(100% - 18px) 50%, 100% 0);
}

.block-preview-item:first-child {
    -webkit-clip-path: polygon(0 0, 0 100%, 100% 100%, calc(100% - 18px) 50%, 100% 0);
    clip-path: polygon(0 0, 0 100%, 100% 100%, calc(100% - 18px) 50%, 100% 0);
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
}

.block-preview-item:last-child {
    -webkit-clip-path: polygon(0 0, 18px 50%, 0 100%, 100% 100%, 100% 0);
    clip-path: polygon(0 0, 18px 50%, 0 100%, 100% 100%, 100% 0);
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
}

.block-preview-item:only-child {
    -webkit-clip-path: polygon(0 0, 0 100%, 100% 100%, 100% 0);
    clip-path: polygon(0 0, 0 100%, 100% 100%, 100% 0);
    border-radius: 6px;
}

/* Overlap so blocks interlock */
.block-preview-item:not(:first-child) {
    margin-left: -36px;
}

/* Manually drawn junction line - ::before on each block (except first) draws diagonal at its left edge */
.block-preview-item:not(:first-child)::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='100' viewBox='0 0 18 100' preserveAspectRatio='none'%3E%3Cline x1='0' y1='0' x2='18' y2='50' stroke='%2364748b' stroke-width='1'/%3E%3Cline x1='0' y1='100' x2='18' y2='50' stroke='%2364748b' stroke-width='1'/%3E%3C/svg%3E");
    background-size: 18px 100%;
    background-repeat: no-repeat;
    background-position: 0 0;
    z-index: 2;
    pointer-events: none;
}

/* Quiz block */
.block-preview-item.block-preview-quiz {
    background: linear-gradient(to bottom, #eff6ff, #dbeafe);
    color: #1e40af;
    border: 1px solid #3b82f6;
    box-shadow:
        0 1px 2px rgba(37, 99, 235, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.block-preview-item.block-preview-quiz:hover {
    box-shadow:
        0 2px 4px rgba(37, 99, 235, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Break block */
.block-preview-item.block-preview-break {
    background: linear-gradient(to bottom, #fffbeb, #fef3c7);
    color: #92400e;
    border: 1px solid #f59e0b;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.block-preview-item.block-preview-break:hover {
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* Quiz link - whole block clickable, no underline */
.block-preview-link {
    display: block;
    margin: -0.75rem -1.25rem;
    padding: 0.75rem 1.25rem;
    color: inherit;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s;
}

.block-preview-link:hover {
    color: #1d4ed8;
}

.block-preview-item.block-preview-break .block-preview-link {
    color: inherit;
}

.block-preview-item.block-preview-break .block-preview-link:hover {
    color: #78350f;
}

/* Status banner */
.detail-status-banner {
    text-align: center;
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.detail-status-banner-title {
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 1rem 0;
}

.detail-status-banner.open .detail-status-banner-title {
    color: #15803d;
}

.detail-status-banner.closed .detail-status-banner-title {
    color: #b91c1c;
}

.detail-status-banner.open {
    background: linear-gradient(to bottom, #f0fdf4, #ecfdf5);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.detail-status-banner.closed {
    background: linear-gradient(to bottom, #fef2f2, #fef2f2);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.detail-status-banner-body {
    text-align: center;
    margin-bottom: 1rem;
}

.detail-status-banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.detail-status-banner-footer {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-status-banner-footer .detail-access-codes {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.detail-status-banner-form {
    flex-shrink: 0;
}

.detail-status-banner-text {
    font-size: 0.9375rem;
    margin: 0 0 1rem 0;
    max-width: 560px;
}

.detail-status-banner.open .detail-status-banner-text {
    color: #166534;
}

.detail-status-banner.closed .detail-status-banner-text {
    color: #991b1b;
}

.detail-status-banner .detail-access-codes {
    justify-content: center;
}

.detail-access-codes {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-access-code {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-access-code-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-status-banner.open .detail-access-code-label {
    color: #15803d;
}

.detail-status-banner.closed .detail-access-code-label {
    color: #b91c1c;
}

.detail-access-code-value {
    font-family: 'SF Mono', 'Monaco', monospace;
    font-size: 1rem;
    font-weight: 600;
}

.detail-status-banner.open .detail-access-code-value {
    color: #14532d;
}

.detail-status-banner.closed .detail-access-code-value {
    color: #7f1d1d;
}

.detail-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.detail-footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.detail-table-footer {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

/* Danger zone - subtle red tint */
.detail-danger {
    background: linear-gradient(to bottom, #fef2f2, #fef2f2);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.detail-danger .detail-section-title {
    color: #b91c1c;
}

.detail-page {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}


.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.detail-section {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.detail-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.detail-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.detail-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.detail-meta strong {
    color: var(--text-primary);
}

/* ============================================
   Toggle Panel (Exam Track Open/Close)
   ============================================ */
.toggle-panel {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: border-color 0.2s;
}

.toggle-panel-open {
    border-color: var(--success-color);
    background-color: #f0fdf4;
}

.toggle-panel-closed {
    border-color: var(--danger-color);
    background-color: #fef2f2;
}

.toggle-panel-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.toggle-panel-status {
    font-size: 1.25rem;
    font-weight: 700;
}

.toggle-panel-open .toggle-panel-status {
    color: #065f46;
}

.toggle-panel-closed .toggle-panel-status {
    color: #991b1b;
}

.toggle-panel-text {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.toggle-panel-body {
    margin-top: 1rem;
}

/* ============================================
   Access Code Display
   ============================================ */
.access-code-display {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    display: inline-block;
}

.access-code-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.access-code-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    letter-spacing: 0.1em;
}

/* ============================================
   Table Links
   ============================================ */
.table-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.15s;
}

.table-link:hover {
    color: var(--primary-hover);
}

/* ============================================
   Danger Zone
   ============================================ */
.danger-zone {
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--border-radius);
    padding: 1.5rem 1.75rem;
    background: linear-gradient(to bottom, #fef2f2, #fef2f2);
    box-shadow: var(--shadow-card);
}

.danger-zone-title {
    font-size: 1rem;
    font-weight: 600;
    color: #991b1b;
    margin-bottom: 0.5rem;
}

.danger-zone-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* ============================================
   Results Section
   ============================================ */
.results-section {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.score-overview {
    display: flex;
    align-items: center;
    gap: 2rem;
    justify-content: center;
    padding: 1.5rem 0;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 6px solid;
}

.score-pass {
    border-color: var(--success-color);
    background-color: #f0fdf4;
}

.score-fail {
    border-color: var(--danger-color);
    background-color: #fef2f2;
}

.score-percentage {
    font-size: 1.75rem;
    font-weight: 700;
}

.score-pass .score-percentage {
    color: #065f46;
}

.score-fail .score-percentage {
    color: #991b1b;
}

.score-details {
    text-align: center;
}

.score-fraction {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   Score Bars (Category Performance)
   ============================================ */
.score-bar {
    width: 100%;
    height: 8px;
    background-color: var(--background);
    border-radius: 4px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.score-bar-pass {
    background-color: var(--success-color);
}

.score-bar-fail {
    background-color: var(--danger-color);
}

/* ============================================
   Question Review (Attempt Results)
   ============================================ */
.question-review-block {
    margin-bottom: 1.5rem;
}

.question-review-block-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.question-review {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid;
}

.question-review.answer-correct {
    border-left-color: var(--success-color);
    background-color: #fafffe;
}

.question-review.answer-incorrect {
    border-left-color: var(--danger-color);
    background-color: #fffafa;
}

.question-review-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.question-review-number {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.question-review-result {
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.result-correct {
    background-color: #d1fae5;
    color: #065f46;
}

.result-incorrect {
    background-color: #fee2e2;
    color: #991b1b;
}

.question-review-category {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.question-review-text {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.question-review-choices {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.question-review-choice {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9375rem;
    border: 1px solid var(--border-color);
    background-color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.question-review-choice.choice-correct {
    background-color: #d1fae5;
    border-color: var(--success-color);
}

.question-review-choice.choice-selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}

.question-review-choice.choice-selected:not(.choice-correct) {
    background-color: #fee2e2;
    border-color: var(--danger-color);
    box-shadow: 0 0 0 1px var(--danger-color);
}

.choice-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    white-space: nowrap;
}

.correct-badge-sm {
    background-color: #065f46;
    color: white;
}

.selected-badge-sm {
    background-color: var(--primary-color);
    color: white;
}

.question-review-free-input {
    background-color: var(--background);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
}

.question-review-free-input p {
    margin-bottom: 0.375rem;
}

.question-review-free-input p:last-child {
    margin-bottom: 0;
}

/* ============================================
   Results page: Knowledge & Skills + Table
   ============================================ */
.results-page .detail-layout,
.results-page .detail-page-wrapper {
    max-width: 960px;
}

.results-section-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.ks-category-group {
    margin-bottom: 1.5rem;
}

.ks-category-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.ks-subcategory-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.ks-subcategory-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.875rem 1rem;
}

.ks-subcategory-name {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.ks-subcategory-meta {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.ks-bar-track {
    height: 10px;
    background-color: #e5e7eb;
    border-radius: 5px;
    overflow: hidden;
}

.ks-bar-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 0.3s ease;
}

.ks-bar-pass {
    background-color: var(--success-color);
}

.ks-bar-fail {
    background-color: var(--danger-color);
}

.results-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.results-stat-correct {
    color: var(--success-color);
}

.results-stat-incorrect {
    color: var(--danger-color);
}

.results-stat-unanswered {
    color: #6b7280;
}

.results-table-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.results-view-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.results-view-btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-background);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.results-view-btn:hover {
    border-color: var(--primary-color);
}

.results-view-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.answer-badge {
    font-weight: 600;
    font-size: 0.875rem;
}

.answer-omitted {
    color: var(--danger-color);
}

.answer-correct-text {
    color: var(--success-color);
}

.answer-incorrect-text {
    color: var(--danger-color);
}

.results-review-link {
    font-size: 0.8125rem;
    padding: 0.2rem 0.6rem;
}

#results-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1rem;
}

#results-pagination .page-btn {
    padding: 0.3rem 0.65rem;
    font-size: 0.8125rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-background);
    color: var(--text-color);
    cursor: pointer;
}

#results-pagination .page-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
}

#results-pagination .page-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

#results-pagination .page-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

#results-pagination .page-ellipsis {
    padding: 0.3rem 0.4rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ============================================
   Responsive additions
   ============================================ */
@media (max-width: 768px) {
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ks-subcategory-grid {
        grid-template-columns: 1fr;
    }

    .results-stat-grid {
        grid-template-columns: 1fr;
    }

    .score-overview {
        flex-direction: column;
    }

    .toggle-panel-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .detail-header {
        flex-direction: column;
    }

    .breadcrumbs {
        flex-wrap: wrap;
    }

    .search-form {
        flex-direction: column;
    }

    .pagination {
        flex-wrap: wrap;
    }

    .detail-header-row {
        flex-direction: column;
    }

    .detail-header-actions {
        width: 100%;
    }

    .detail-stats-row {
        flex-direction: column;
    }

    .detail-stats-row .detail-stat {
        flex: none;
        justify-content: flex-start;
        padding: 0.75rem 1.25rem;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .detail-stats-row .detail-stat:last-child {
        border-bottom: none;
    }

    .block-preview-flow {
        flex-direction: column;
        align-items: stretch;
    }

    .block-preview-item {
        flex: none;
        min-width: unset;
        margin-left: 0;
        margin-top: -36px;
    }

    .block-preview-item:not(:first-child)::before {
        width: 100%;
        height: 18px;
        left: 0;
        top: 0;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='18' viewBox='0 0 100 18' preserveAspectRatio='none'%3E%3Cline x1='0' y1='0' x2='50' y2='18' stroke='%2364748b' stroke-width='1'/%3E%3Cline x1='100' y1='0' x2='50' y2='18' stroke='%2364748b' stroke-width='1'/%3E%3C/svg%3E");
        background-size: 100% 18px;
    }

    .block-preview-item:first-child {
        margin-top: 0;
        border-top-left-radius: 6px;
        border-top-right-radius: 6px;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }

    /* Vertical arrow shape: notch top, arrow bottom */
    .block-preview-item {
        -webkit-clip-path: polygon(50% 0, 100% 18px, 100% 100%, 50% calc(100% - 18px), 0 100%, 0 18px);
        clip-path: polygon(50% 0, 100% 18px, 100% 100%, 50% calc(100% - 18px), 0 100%, 0 18px);
    }

    .block-preview-item:first-child {
        -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 50% calc(100% - 18px), 0 100%);
        clip-path: polygon(0 0, 100% 0, 100% 100%, 50% calc(100% - 18px), 0 100%);
    }

    .block-preview-item:last-child {
        -webkit-clip-path: polygon(50% 0, 100% 18px, 100% 100%, 0 100%, 0 18px);
        clip-path: polygon(50% 0, 100% 18px, 100% 100%, 0 100%, 0 18px);
        border-top-left-radius: 0;
        border-top-right-radius: 0;
        border-bottom-left-radius: 6px;
        border-bottom-right-radius: 6px;
    }

    .block-preview-item:only-child {
        -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        border-radius: 6px;
    }

    .dashboard-charts-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
}