@font-face {
    font-family: 'OpenDyslexic';
    src: url('https://cdn.jsdelivr.net/fontsource/fonts/opendyslexic@latest/latin-400-normal.woff2') format('woff2'),
         url('https://cdn.jsdelivr.net/fontsource/fonts/opendyslexic@latest/latin-400-normal.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    --white-base: #ffffff;
    --text-main: #2d3748;
    --text-muted: #5a6578;
    --bg-resources: #eaf3de;
    --btn-resources: #6b9673;
    --btn-finder: #4f7797;
    --bg-finder: #e6f1fb;
    --font-clean: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --accent-math: #7fa886;
    --accent-bio: #6fb08f;
    --accent-physics: #638cb0;
    --accent-chem: #8a7db0;
    --accent-history: #c08a5c;
    --accent-geo: #5ca88f;
    --accent-econ: #b0a05c;
    --accent-lit: #b0638c;
    --border-light: #e2e8f0;
    --border-lighter: #edf2f7;
    --bg-hover-light: #f7fafc;
    --dark-bg-page: #1a202c;
    --dark-bg-card: #2d3748;
    --dark-border: #4a5568;
    --dark-text-muted: #a0aec0;
    --dark-accent: #8bb4d6;
}

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

.is-hidden {
    display: none;
}

body {
    font-family: var(--font-clean);
    background-color: var(--white-base);
    color: var(--text-main);
    line-height: 1.5;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 5%;
    background-color: var(--white-base);
    border-bottom: 1px solid var(--border-lighter);
}

.nav-logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--text-main);
    text-decoration: none;
    cursor: pointer;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 5%;
}

.split-layout {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    width: 100%;
}

.split-panel {
    flex: 1;
    border-radius: 8px;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 280px;
}

.panel-resources {
    background-color: var(--bg-resources);
}

.panel-finder {
    background-color: var(--bg-finder);
}

.panel-resources h2, .panel-finder h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.panel-resources p, .panel-finder p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2rem;
    max-width: 400px;
}

.panel-btn {
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    color: #ffffff;
    transition: background-color 0.2s ease;
}

.panel-resources .panel-btn {
    background-color: var(--btn-resources);
}

.panel-finder .panel-btn {
    background-color: var(--btn-finder);
}

.panel-btn:hover {
    opacity: 0.9;
}

.subject-section {
    margin-top: 2rem;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 1.5rem;
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.subject-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--white-base);
    text-decoration: none;
    color: var(--text-main);
    padding: 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    border: 1px solid var(--border-lighter);
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.subject-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.border-math, .border-bio, .border-geo {
    border-left: 4px solid var(--btn-resources);
}

.border-history, .border-lit, .border-physics, .border-chem, .border-econ {
    border-left: 4px solid var(--btn-finder);
}

.subject-code {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background-color: var(--bg-hover-light);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    flex-shrink: 0;
}

.subject-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.navbar.nav-resources {
    border-bottom: 3px solid var(--btn-resources);
}

.navbar.nav-finder {
    border-bottom: 3px solid var(--btn-finder);
}

.page-header {
    padding: 2.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.header-resources {
    background-color: var(--bg-resources);
}

.header-finder {
    background-color: var(--bg-finder);
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.page-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

.placeholder-area {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-light);
    border-radius: 8px;
    min-height: 250px;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    background-color: #fafafa;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--btn-finder);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: opacity 0.2s ease;
}

.btn:hover {
    opacity: 0.9;
}

.btn-secondary {
    display: inline-block;
    padding: 10px 20px;
    background-color: transparent;
    color: var(--btn-finder);
    border: 1px solid var(--btn-finder);
    text-decoration: none;
    border-radius: 5px;
    margin-top: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: background-color 0.2s ease;
}

.btn-secondary:hover {
    background-color: var(--btn-finder);
    color: #ffffff;
}

body.dark-mode .btn-secondary {
    color: var(--dark-accent);
    border-color: var(--dark-accent);
}

body.dark-mode .btn-secondary:hover {
    background-color: var(--dark-accent);
    color: var(--dark-bg-page);
}

.resource-group {
    margin-bottom: 2.5rem;
}

.resource-subheading {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-lighter);
}

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

.resource-box {
    display: block;
    background-color: var(--white-base);
    text-decoration: none;
    color: var(--text-main);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-lighter);
    border-left-width: 5px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.resource-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

.resource-box-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.resource-box .subject-name {
    font-size: 1.35rem;
    font-weight: 700;
}

.resource-standard {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.resource-box.border-math { border-left-color: var(--accent-math); }
.resource-box.border-math .subject-code { border-color: var(--accent-math); }

.resource-box.border-bio { border-left-color: var(--accent-bio); }
.resource-box.border-bio .subject-code { border-color: var(--accent-bio); }

.resource-box.border-physics { border-left-color: var(--accent-physics); }
.resource-box.border-physics .subject-code { border-color: var(--accent-physics); }

.resource-box.border-chem { border-left-color: var(--accent-chem); }
.resource-box.border-chem .subject-code { border-color: var(--accent-chem); }

.resource-box.border-history { border-left-color: var(--accent-history); }
.resource-box.border-history .subject-code { border-color: var(--accent-history); }

.resource-box.border-geo { border-left-color: var(--accent-geo); }
.resource-box.border-geo .subject-code { border-color: var(--accent-geo); }

.resource-box.border-econ { border-left-color: var(--accent-econ); }
.resource-box.border-econ .subject-code { border-color: var(--accent-econ); }

.resource-box.border-lit { border-left-color: var(--accent-lit); }
.resource-box.border-lit .subject-code { border-color: var(--accent-lit); }

.resource-box .subject-code {
    color: var(--text-muted);
    background-color: transparent;
}

.timer-section {
    margin-bottom: 2.5rem;
}

.timer-box {
    background-color: var(--white-base);
    border: 1px solid var(--border-lighter);
    border-radius: 10px;
    padding: 3rem 2rem;
    text-align: center;
    max-width: 400px;
}

.timer-display {
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.05em;
}

.timer-label {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    margin-bottom: 2rem;
}

.timer-settings {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.timer-settings label {
    display: flex;
    flex-direction: column;
    font-size: 0.8rem;
    color: var(--text-muted);
    gap: 0.35rem;
}

.timer-settings input {
    width: 65px;
    padding: 0.4rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 1rem;
    text-align: center;
    font-family: var(--font-clean);
}

.timer-controls {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.timer-btn {
    padding: 0.65rem 1.5rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    background-color: var(--white-base);
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.timer-btn:hover {
    background-color: var(--bg-hover-light);
}

.timer-btn-primary {
    background-color: var(--btn-finder);
    color: #ffffff;
    border-color: var(--btn-finder);
}

.timer-btn-primary:hover {
    opacity: 0.9;
    background-color: var(--btn-finder);
}

.prompt-section {
    margin-bottom: 2.5rem;
}

.prompt-subject-select {
    margin-bottom: 1.5rem;
}

.prompt-subject-select label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.prompt-subject-select select {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-clean);
    color: var(--text-main);
    background-color: var(--white-base);
}

.prompt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.prompt-card {
    background-color: var(--white-base);
    border: 1px solid var(--border-lighter);
    border-left: 4px solid var(--btn-finder);
    border-radius: 8px;
    padding: 1.25rem;
    font-size: 0.95rem;
    color: var(--text-main);
}

.back-btn {
    display: inline-block;
    margin: 1.5rem 5% 0;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.back-btn:hover {
    color: var(--text-main);
}

.settings-menu {
    position: relative;
}

.settings-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--white-base);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: var(--font-clean);
    color: var(--text-muted);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.settings-menu-btn:hover {
    color: var(--text-main);
    border-color: #cbd5e0;
}

.settings-menu-dropdown {
    display: none;
    position: absolute;
    top: 110%;
    right: 0;
    background-color: var(--white-base);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
    padding: 0.75rem;
    z-index: 10;
    min-width: 160px;
}

.settings-menu-dropdown.open {
    display: block;
}

.settings-group {
    margin-bottom: 0.75rem;
}

.settings-group:last-child {
    margin-bottom: 0;
}

.settings-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    padding: 0 0.25rem;
}

.settings-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.5rem 0.6rem;
    background: none;
    border: none;
    border-radius: 4px;
    font-size: 0.88rem;
    font-family: var(--font-clean);
    color: var(--text-main);
    cursor: pointer;
}

.settings-option:hover {
    background-color: var(--bg-hover-light);
}

.settings-option.selected {
    background-color: var(--border-lighter);
    font-weight: 600;
}

html.text-large {
    font-size: 118.75%;
}

html.text-small {
    font-size: 87.5%;
}

html.font-dyslexic,
html.font-dyslexic * {
    font-family: 'OpenDyslexic', var(--font-clean) !important;
}

body.dark-mode .settings-menu-btn {
    color: var(--dark-text-muted);
    background-color: var(--dark-bg-card);
    border-color: var(--dark-border);
}

body.dark-mode .settings-menu-btn:hover {
    color: var(--bg-hover-light);
}

body.dark-mode .settings-menu-dropdown {
    background-color: var(--dark-bg-card);
    border-color: var(--dark-border);
}

body.dark-mode .settings-label {
    color: #718096;
}

body.dark-mode .settings-option {
    color: var(--border-light);
}

body.dark-mode .settings-option:hover {
    background-color: #364154;
}

body.dark-mode .settings-option.selected {
    background-color: #364154;
}

body.dark-mode {
    background-color: var(--dark-bg-page);
    color: var(--border-light);
}

body.dark-mode .navbar {
    background-color: var(--dark-bg-page);
    border-bottom-color: var(--dark-bg-card);
}

body.dark-mode .nav-logo,
body.dark-mode .page-header h1,
body.dark-mode .subject-name,
body.dark-mode .timer-display,
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3 {
    color: var(--bg-hover-light);
}

body.dark-mode .nav-links a,
body.dark-mode .subject-code,
body.dark-mode .resource-standard,
body.dark-mode .timer-label,
body.dark-mode .resource-subheading,
body.dark-mode .page-header p,
body.dark-mode .back-btn,
body.dark-mode .section-title,
body.dark-mode .prompt-subject-select label,
body.dark-mode .timer-settings label {
    color: var(--dark-text-muted);
}

body.dark-mode .nav-links a:hover,
body.dark-mode .nav-links a.active,
body.dark-mode .back-btn:hover {
    color: var(--bg-hover-light);
}

body.dark-mode .resource-box,
body.dark-mode .subject-card,
body.dark-mode .timer-box,
body.dark-mode .prompt-card,
body.dark-mode .theme-menu-dropdown,
body.dark-mode .placeholder-area {
    background-color: var(--dark-bg-card);
    border-color: var(--dark-border);
}

body.dark-mode .prompt-card {
    color: var(--border-light);
}

body.dark-mode .theme-option {
    color: var(--border-light);
}

body.dark-mode .theme-option:hover {
    background-color: #364154;
}

body.dark-mode .theme-menu-btn {
    color: var(--border-light);
    border-color: var(--dark-border);
}

body.dark-mode .subject-code {
    background-color: var(--dark-bg-page);
    border-color: var(--dark-border);
}

body.dark-mode .timer-settings input,
body.dark-mode .prompt-subject-select select {
    background-color: var(--dark-bg-page);
    color: var(--border-light);
    border-color: var(--dark-border);
}

body.dark-mode .timer-btn {
    background-color: var(--dark-bg-card);
    color: var(--border-light);
    border-color: var(--dark-border);
}

body.dark-mode .timer-btn:hover {
    background-color: #364154;
}

body.dark-mode .timer-btn-primary {
    background-color: var(--btn-finder);
    color: #ffffff;
}

body.dark-mode .resource-subheading,
body.dark-mode .section-title {
    border-bottom-color: var(--dark-border);
}

body.dark-mode .panel-resources h2,
body.dark-mode .panel-finder h2,
body.dark-mode .panel-resources p,
body.dark-mode .panel-finder p,
body.dark-mode .header-resources h1,
body.dark-mode .header-finder h1,
body.dark-mode .header-resources p,
body.dark-mode .header-finder p {
    color: var(--text-main);
}

.listings-section {
    margin-bottom: 2.5rem;
}

.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.filter-bar select {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: var(--font-clean);
    color: var(--text-main);
    background-color: var(--white-base);
}

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

@media (max-width: 700px) {
    .listing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .listing-grid {
        grid-template-columns: 1fr;
    }
}

.listing-card {
    background-color: var(--white-base);
    border: 1px solid var(--border-lighter);
    border-left: 4px solid var(--btn-finder);
    border-radius: 8px;
    padding: 1.25rem;
}

.listing-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.listing-delete-btn {
    margin-left: 18px;
}

.listing-subject {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.listing-level {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    background-color: var(--bg-hover-light);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-light);
}

.listing-time {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.listing-join {
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    color: #ffffff;
    background-color: var(--btn-finder);
}

.listing-join:hover {
    opacity: 0.9;
}

body.dark-mode .listing-card {
    background-color: var(--dark-bg-card);
    border-color: var(--dark-border);
}

body.dark-mode .listing-subject {
    color: var(--bg-hover-light);
}

body.dark-mode .listing-level,
body.dark-mode .listing-time {
    color: var(--dark-text-muted);
}

body.dark-mode .listing-level {
    background-color: var(--dark-bg-page);
    border-color: var(--dark-border);
}

body.dark-mode .filter-bar select {
    background-color: var(--dark-bg-page);
    color: var(--border-light);
    border-color: var(--dark-border);
}

.post-section {
    margin-bottom: 2.5rem;
}

.post-form {
    background-color: var(--white-base);
    border: 1px solid var(--border-lighter);
    border-radius: 10px;
    padding: 2rem;
    max-width: 500px;
}

.post-form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.post-form label {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: var(--text-muted);
    gap: 0.35rem;
    flex: 1;
    min-width: 0;
}

.post-form-full {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: var(--text-muted);
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.post-form-full.is-hidden {
    display: none;
}

.post-form select,
.post-form input {
    padding: 0.6rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-clean);
    color: var(--text-main);
    background-color: var(--white-base);
}

.post-form-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-style: italic;
}

body.dark-mode .post-form {
    background-color: var(--dark-bg-card);
    border-color: var(--dark-border);
}

body.dark-mode .post-form label,
body.dark-mode .post-form-full,
body.dark-mode .post-form-note {
    color: var(--dark-text-muted);
}

body.dark-mode .post-form select,
body.dark-mode .post-form input {
    background-color: var(--dark-bg-page);
    color: var(--border-light);
    border-color: var(--dark-border);
}

.subject-header {
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    border-left: 5px solid var(--btn-finder);
    background-color: #fafbfc;
}

.subject-header h1 {
    font-size: 2rem;
    margin-bottom: 0.4rem;
}

.subject-standard-tag {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.subject-header.border-math { border-left-color: var(--accent-math); }
.subject-header.border-bio { border-left-color: var(--accent-bio); }
.subject-header.border-physics { border-left-color: var(--accent-physics); }
.subject-header.border-chem { border-left-color: var(--accent-chem); }
.subject-header.border-history { border-left-color: var(--accent-history); }
.subject-header.border-geo { border-left-color: var(--accent-geo); }
.subject-header.border-econ { border-left-color: var(--accent-econ); }
.subject-header.border-lit { border-left-color: var(--accent-lit); }

.notes-section,
.practice-section {
    margin-bottom: 2.5rem;
}

.notes-card {
    background-color: var(--white-base);
    border: 1px solid var(--border-lighter);
    border-radius: 10px;
    padding: 1.75rem;
}

.notes-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.notes-list {
    padding-left: 1.25rem;
    color: var(--text-main);
}

.notes-list li {
    margin-bottom: 0.6rem;
    line-height: 1.6;
}

.practice-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

body.dark-mode .subject-header {
    background-color: var(--dark-bg-card);
}

body.dark-mode .subject-standard-tag {
    color: var(--dark-text-muted);
}

body.dark-mode .notes-card {
    background-color: var(--dark-bg-card);
    border-color: var(--dark-border);
}

body.dark-mode .notes-list {
    color: var(--border-light);
}

.year-block {
    margin-bottom: 1.5rem;
}

.year-block:last-child {
    margin-bottom: 0;
}

.year-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.year-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

body.dark-mode .year-label {
    color: var(--dark-text-muted);
}

.standard-select-section {
    margin-bottom: 2rem;
}

.standard-select-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.standard-select {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-clean);
    color: var(--text-main);
    background-color: var(--white-base);
    min-width: 260px;
}

body.dark-mode .standard-select {
    background-color: var(--dark-bg-page);
    color: var(--border-light);
    border-color: var(--dark-border);
}

.jump-link {
    display: inline-block;
    margin: 0 0 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.jump-link:hover {
    color: var(--text-main);
}

html {
    scroll-behavior: smooth;
}

.listing-join-static {
    display: inline-block;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    color: var(--text-muted);
    background-color: var(--bg-hover-light);
    border: 1px solid var(--border-light);
}

body.dark-mode .listing-join-static {
    background-color: var(--dark-bg-page);
    border-color: var(--dark-border);
    color: var(--dark-text-muted);
}


.intro-section {
    padding: 1.5rem 5% 0;
    max-width: 1200px;
    margin: 0 auto;
}

.intro-text {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 700px;
}

body.dark-mode .intro-text {
    color: var(--dark-text-muted);
}

@media (max-width: 600px) {
    .navbar {
        flex-wrap: wrap;
        gap: 0.75rem;
        position: relative;
    }

    .nav-links {
        width: 100%;
        justify-content: space-between;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .settings-menu {
        position: static;
    }

    .settings-menu-dropdown {
        position: fixed;
        top: auto;
        left: 5%;
        right: 5%;
        width: 90%;
        min-width: 0;
        margin-top: 0.5rem;
    }

    .timer-settings {
        justify-content: flex-start;
    }

    .timer-controls {
        flex-wrap: wrap;
    }

    .filter-bar {
        flex-direction: column;
    }

    .filter-bar select {
        width: 100%;
    }

    .post-form-row {
        flex-direction: column;
    }

    .practice-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .practice-buttons .btn,
    .practice-buttons .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .year-links {
        flex-direction: column;
    }

    .year-links a {
        width: 100%;
        text-align: center;
    }

    .subject-header {
        padding: 1.5rem;
    }

    .timer-box {
        max-width: 100%;
    }

    .standard-select {
        width: 100%;
        min-width: 0;
    }
}

.about-section {
    max-width: 700px;
}

.about-text {
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.about-text:last-child {
    margin-bottom: 0;
}

body.dark-mode .about-text {
    color: var(--border-light);
}

.about-hero {
    padding: 2.5rem 0 2rem;
    text-align: left;
}

.about-hero h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.about-hero p {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 550px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.about-feature-card {
    padding: 2rem;
    border-radius: 10px;
}

.about-feature-card h2 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.about-feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

.feature-resources {
    background-color: var(--bg-resources);
}

.feature-resources h2 {
    color: var(--btn-resources);
}

.feature-finder {
    background-color: var(--bg-finder);
}

.feature-finder h2 {
    color: var(--btn-finder);
}

.about-text-section {
    max-width: 700px;
    margin: 0 auto 2rem;
    text-align: center;
}
.about-text-section .resource-subheading {
    text-align: center;
    border-bottom: none;
}

.about-text {
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.site-footer {
    padding: 2rem 0 1rem;
    border-top: 1px solid var(--border-lighter);
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

body.dark-mode .about-hero p,
body.dark-mode .about-feature-card p,
body.dark-mode .site-footer {
    color: var(--dark-text-muted);
}

body.dark-mode .about-text {
    color: var(--border-light);
}

body.dark-mode .site-footer {
    border-top-color: var(--dark-border);
}


body.dark-mode .about-feature-card {
    background-color: var(--dark-bg-card);
}

body.dark-mode .feature-resources h2 {
    color: #8fc49b;
}

body.dark-mode .feature-finder h2 {
    color: var(--dark-accent);
}

body.dark-mode .about-feature-card p {
    color: var(--dark-text-muted);
}

.finder-stack {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    max-width: 960px;
    margin: 0 auto;
}

.finder-stack .timer-box {
    max-width: 100%;
}

.finder-jump-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
    margin-bottom: 2.5rem;
}

.jump-btn {
    display: inline-block;
    padding: 0.5rem 1.1rem;
    border-radius: 6px;
    background-color: var(--white-base);
    border: 1px solid #edf2f7;
    color: var(--btn-finder);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.jump-btn:hover,
.jump-btn:focus-visible {
    background-color: var(--btn-finder);
    color: #ffffff;
    border-color: var(--btn-finder);
}

body.dark-mode .jump-btn {
    background-color: #2d3748;
    border-color: #4a5568;
    color: #E2E8F0;
}

body.dark-mode .jump-btn:hover,
body.dark-mode .jump-btn:focus-visible {
    background-color: #8bb4d6;
    color: #1a202c;
    border-color: #8bb4d6;
}

@media (max-width: 900px) {
    .finder-stack {
        max-width: 100%;
    }
}

.listing-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.6rem;
}

.listing-delete-btn,
.listing-admin-delete-btn {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.7rem;
    font-weight: 500;
    font-family: var(--font-clean);
    color: var(--text-muted);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
    opacity: 0.65;
    cursor: pointer;
    transition: opacity 0.15s ease, color 0.15s ease;
}

.listing-delete-btn:hover,
.listing-admin-delete-btn:hover {
    opacity: 1;
    color: #b91c1c;
}

.listing-admin-delete-btn:hover {
    color: #475569;
}

body.dark-mode .listing-delete-btn,
body.dark-mode .listing-admin-delete-btn {
    color: var(--dark-text-muted);
}

body.dark-mode .listing-delete-btn:hover {
    color: #f28b8b;
}

body.dark-mode .listing-admin-delete-btn:hover {
    color: #cbd5e0;
}

.site-fineprint {
    position: relative;
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem 0 2.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

body.dark-mode .site-fineprint {
    color: var(--dark-text-muted);
}

/* --- Admin login (sh-admin-*) --- */

.sh-admin {
    position: relative;
    display: inline-block;
}

.sh-admin-toggle {
    background: none;
    border: none;
    padding: 0;
    margin-left: 0.4rem;
    font-family: var(--font-clean);
    font-size: 0.65rem;
    color: inherit;
    opacity: 0.3;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.sh-admin-toggle:hover,
.sh-admin-toggle:focus-visible,
.sh-admin-toggle[aria-expanded="true"] {
    opacity: 0.85;
}

.sh-admin-panel {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 230px;
    margin-bottom: 0.75rem;
    padding: 1rem;
    text-align: left;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    background-color: var(--white-base);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    z-index: 20;
}

.sh-admin-panel[hidden] {
    display: none;
}

.sh-admin-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.sh-admin-field input {
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-family: var(--font-clean);
    font-size: 0.85rem;
    background-color: var(--white-base);
    color: var(--text-main);
}

.sh-admin-actions {
    display: flex;
    gap: 0.5rem;
}

.sh-admin-actions .timer-btn {
    flex: 1;
    padding: 0.45rem 0.75rem;
    font-size: 0.8rem;
}

.sh-admin-status {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

body.dark-mode .sh-admin-panel {
    background-color: var(--dark-bg-card);
    border-color: var(--dark-border);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

body.dark-mode .sh-admin-field {
    color: var(--dark-text-muted);
}

body.dark-mode .sh-admin-field input {
    background-color: var(--dark-bg-page);
    border-color: var(--dark-border);
    color: var(--border-light);
}

body.dark-mode .sh-admin-status {
    color: var(--dark-text-muted);
}


.listing-delete-btn.admin-delete {
    border-color: #c0392b;
    color: #c0392b;
}

.listing-delete-btn.admin-delete:hover {
    background-color: #c0392b;
    color: #ffffff;
}

.listings-section .resource-subheading,
.post-section .resource-subheading,
.timer-section .resource-subheading,
.prompt-section .resource-subheading {
    font-size: 2rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: normal;
    color: var(--text-main);
}

body.dark-mode .listings-section .resource-subheading,
body.dark-mode .post-section .resource-subheading,
body.dark-mode .timer-section .resource-subheading,
body.dark-mode .prompt-section .resource-subheading {
    color: var(--border-light);
}

.listing-delete-btn {
    margin-left: 18px;
}

.resource-search-bar {
    margin-bottom: 2rem;
}

.resource-search-bar input {
    width: 100%;
    max-width: 400px;
    padding: 0.7rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-clean);
    color: var(--text-main);
    background-color: var(--white-base);
    overflow: hidden;
    text-overflow: ellipsis;
}

body.dark-mode .resource-search-bar input {
    background-color: #1a202c;
    color: #e2e8f0;
    border-color: #4a5568;
}