:root {
    --color-ink: #10233f;
    --color-ink-muted: #50627c;
    --color-navy: #08213f;
    --color-navy-soft: #14365c;
    --color-teal: #0e9f9a;
    --color-teal-dark: #087a78;
    --color-gold: #f5b84b;
    --color-cloud: #f5f8fb;
    --color-paper: #ffffff;
    --color-line: #d9e5ef;
    --color-danger: #b42318;
    --color-success: #0f766e;
    --color-cloud-deep: #edf5f7;
    --color-mist: #fbfcfd;
    --surface-header: rgba(255, 255, 255, 0.88);
    --surface-card: rgba(255, 255, 255, 0.92);
    --surface-navy-strong: rgba(8, 33, 63, 0.94);
    --surface-navy-soft: rgba(20, 54, 92, 0.92);
    --wash-teal-subtle: rgba(14, 159, 154, 0.1);
    --wash-teal-medium: rgba(14, 159, 154, 0.16);
    --wash-teal-ring: rgba(14, 159, 154, 0.13);
    --wash-teal-focus: rgba(14, 159, 154, 0.14);
    --wash-teal-orbit: rgba(14, 159, 154, 0.28);
    --wash-navy-subtle: rgba(8, 33, 63, 0.06);
    --wash-gold-soft: rgba(245, 184, 75, 0.34);
    --wash-gold-glow: rgba(245, 184, 75, 0.36);
    --wash-danger: rgba(180, 35, 24, 0.08);
    --line-header: rgba(217, 229, 239, 0.7);
    --line-soft: rgba(217, 229, 239, 0.8);
    --line-card: rgba(217, 229, 239, 0.9);
    --text-inverse-muted: rgba(255, 255, 255, 0.72);
    --text-inverse-soft: rgba(255, 255, 255, 0.76);
    --shadow-teal: 0 0.75rem 1.5rem rgba(14, 159, 154, 0.24);
    --shadow-teal-strong: 0 1rem 2rem rgba(14, 159, 154, 0.24);
    --shadow-navy-strong: 0 1.25rem 2.25rem rgba(8, 33, 63, 0.22);
    --font-heading: Cambria, Georgia, "Times New Roman", serif;
    --font-body: "Trebuchet MS", Verdana, sans-serif;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-pill: 999px;
    --content-narrow: 48rem;
    --route-column-count: 5;
    --shadow-soft: 0 1rem 3rem rgba(8, 33, 63, 0.12);
    --shadow-card: 0 1.25rem 2.5rem rgba(16, 35, 63, 0.1);
    --transition-base: 180ms ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--color-ink);
    font-family: var(--font-body);
    line-height: 1.6;
    background:
        radial-gradient(circle at top left, var(--wash-teal-medium), transparent 24rem),
        linear-gradient(135deg, var(--color-cloud), var(--color-cloud-deep) 46%, var(--color-mist));
}

a {
    color: inherit;
}

.site-shell {
    min-height: 100vh;
}

.container {
    width: min(1120px, calc(100% - var(--space-6)));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--line-header);
    background: var(--surface-header);
    backdrop-filter: blur(16px);
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    padding: var(--space-4) 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    font-weight: 700;
}

.brand-mark {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    border-radius: var(--radius-md);
    color: var(--color-paper);
    background: linear-gradient(135deg, var(--color-navy), var(--color-teal));
    box-shadow: var(--shadow-teal);
}

.brand-text span {
    display: block;
    color: var(--color-ink-muted);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
}

.nav-links a,
.utility-link {
    border-radius: var(--radius-pill);
    color: var(--color-ink-muted);
    font-size: 0.94rem;
    font-weight: 700;
    padding: var(--space-2) var(--space-3);
    text-decoration: none;
    transition: color var(--transition-base), background var(--transition-base);
}

.nav-links a:hover,
.nav-links a.is-active,
.utility-link:hover {
    color: var(--color-navy);
    background: var(--wash-teal-subtle);
}

.hero {
    padding: var(--space-8) 0 var(--space-7);
}

.hero-compact {
    padding-bottom: var(--space-6);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    gap: var(--space-7);
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-4);
    color: var(--color-teal-dark);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 2rem;
    height: 2px;
    background: var(--color-gold);
}

h1,
h2,
h3 {
    margin: 0;
    color: var(--color-navy);
    font-family: var(--font-heading);
    line-height: 1.08;
}

h1 {
    max-width: 13ch;
    font-size: clamp(2.8rem, 8vw, 5.8rem);
    letter-spacing: -0.055em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.035em;
}

h3 {
    font-size: 1.45rem;
}

.hero-copy {
    max-width: 42rem;
    margin: var(--space-5) 0 0;
    color: var(--color-ink-muted);
    font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.hero-actions,
.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    border: 0;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 800;
    padding: var(--space-3) var(--space-5);
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    color: var(--color-paper);
    background: linear-gradient(135deg, var(--color-teal), var(--color-navy-soft));
    box-shadow: var(--shadow-teal-strong);
}

.button-primary:hover {
    box-shadow: var(--shadow-navy-strong);
}

.button-secondary {
    color: var(--color-navy);
    background: var(--color-paper);
    box-shadow: inset 0 0 0 1px var(--color-line);
}

.hero-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    background:
        linear-gradient(160deg, var(--surface-navy-strong), var(--surface-navy-soft)),
        radial-gradient(circle at 90% 10%, var(--wash-gold-glow), transparent 14rem);
    box-shadow: var(--shadow-soft);
    color: var(--color-paper);
}

.hero-panel::after {
    content: "";
    position: absolute;
    inset: auto -4rem -5rem auto;
    width: 12rem;
    height: 12rem;
    border: 1.5rem solid var(--wash-teal-orbit);
    border-radius: 50%;
}

.panel-label {
    margin: 0 0 var(--space-5);
    color: var(--text-inverse-muted);
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.timeline-list,
.clean-list {
    display: grid;
    gap: var(--space-4);
    margin: 0;
    padding: 0;
    list-style: none;
}

.timeline-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-3);
    align-items: start;
}

.timeline-number {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border-radius: var(--radius-pill);
    color: var(--color-navy);
    background: var(--color-gold);
    font-weight: 900;
}

.section {
    padding: var(--space-7) 0;
}

.section-tight {
    padding-top: var(--space-5);
}

.page-hero {
    padding: var(--space-7) 0 var(--space-5);
}

.page-hero-inner {
    max-width: var(--content-narrow);
}

.narrow-container {
    max-width: var(--content-narrow);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.section-heading p {
    max-width: 34rem;
    margin: 0;
    color: var(--color-ink-muted);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
    gap: var(--space-5);
}

.card,
.admin-card,
.login-card {
    border: 1px solid var(--line-card);
    border-radius: var(--radius-lg);
    background: var(--surface-card);
    box-shadow: var(--shadow-card);
}

.card {
    display: flex;
    min-height: 100%;
    flex-direction: column;
    padding: var(--space-6);
}

.card-topline {
    width: 4rem;
    height: 0.35rem;
    margin-bottom: var(--space-5);
    border-radius: var(--radius-pill);
    background: linear-gradient(90deg, var(--color-teal), var(--color-gold));
}

.card p {
    color: var(--color-ink-muted);
}

.route-grid {
    grid-template-columns: repeat(var(--route-column-count), minmax(0, 1fr));
}

.route-card {
    color: inherit;
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.route-card:hover {
    border-color: var(--color-teal);
    box-shadow: var(--shadow-soft);
    transform: translateY(-2px);
}

.registration-panel {
    display: block;
}

.registration-panel h2 {
    margin-bottom: var(--space-5);
    color: var(--color-paper);
}

.requirement-list {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-4) 0 0;
    padding: 0;
    list-style: none;
    counter-reset: requirement-item;
}

.requirement-list > li {
    position: relative;
    counter-increment: requirement-item;
    padding-left: 2.75rem;
}

.requirement-list > li::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 2rem;
    color: var(--color-navy);
    content: counter(requirement-item) ".";
    font-weight: 900;
    text-align: right;
}

.requirement-list p {
    margin: 0;
    color: var(--color-ink);
}

.requirement-children {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-3) 0 0;
    padding: 0;
    color: var(--color-ink-muted);
    list-style: none;
    counter-reset: requirement-child;
}

.requirement-children > li {
    position: relative;
    counter-increment: requirement-child;
    padding-left: 2.25rem;
}

.requirement-children > li::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 1.5rem;
    color: var(--color-teal-dark);
    content: counter(requirement-child, lower-alpha) ".";
    font-weight: 900;
    text-align: right;
}

.requirement-image {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-5) 0 0;
}

.announcement-panel {
    display: grid;
    gap: var(--space-4);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    background: linear-gradient(135deg, var(--wash-navy-subtle), var(--wash-teal-subtle));
}

.home-announcements {
    padding-top: 0;
}

.announcement-panel-compact {
    gap: var(--space-3);
    padding: var(--space-4);
}

.announcement-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-3);
    align-items: start;
    border: 1px solid var(--line-card);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    background: var(--color-paper);
}

.announcement-panel-compact .announcement-item {
    padding: var(--space-3) var(--space-4);
}

.announcement-badge {
    border-radius: var(--radius-pill);
    color: var(--color-navy);
    background: var(--wash-gold-soft);
    font-size: 0.8rem;
    font-weight: 900;
    padding: var(--space-1) var(--space-2);
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
    gap: var(--space-5);
}

.selection-table-stack {
    display: grid;
    gap: var(--space-5);
}

.selection-filter-panel,
.selection-track-group {
    display: grid;
    gap: var(--space-4);
    border: 1px solid var(--line-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    padding: var(--space-5);
    background: var(--surface-card);
    box-shadow: var(--shadow-card);
}

.selection-toggle-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.selection-track-stack,
.selection-track-heading {
    display: grid;
    gap: var(--space-4);
}

.selection-track-heading h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2rem);
}

.selection-card,
.selection-table-card {
    display: grid;
    gap: var(--space-4);
    border: 1px solid var(--line-card);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    background: var(--surface-card);
    box-shadow: var(--shadow-card);
}

.selection-card-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.selection-card time {
    color: var(--color-ink-muted);
    font-weight: 800;
}

.selection-table-card h3 {
    margin: var(--space-2) 0 0;
}

.selection-table-card time {
    color: var(--color-ink-muted);
    font-weight: 800;
}

.selection-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    background: var(--color-paper);
}

.selection-table {
    width: 100%;
    min-width: 28rem;
    border-collapse: collapse;
}

.selection-table th,
.selection-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    vertical-align: top;
}

.selection-table th {
    color: var(--color-navy);
    background: linear-gradient(135deg, var(--wash-navy-subtle), var(--wash-teal-subtle));
    font-size: 0.9rem;
    font-weight: 900;
}

.selection-table th:first-child,
.selection-table td:first-child {
    width: 4.5rem;
    color: var(--color-teal-dark);
    font-weight: 900;
    text-align: center;
}

.selection-table tbody tr + tr {
    border-top: 1px solid var(--line-soft);
}

.selection-table tbody tr:hover {
    background: var(--wash-teal-subtle);
}

.selection-student-list {
    display: grid;
    gap: var(--space-2);
    margin: 0;
    padding-left: var(--space-5);
}

.selection-student-list li::marker {
    color: var(--color-teal-dark);
    font-weight: 900;
}

.selection-empty {
    margin: 0;
    color: var(--color-ink-muted);
}

.schedule-panel {
    display: grid;
    gap: var(--space-4);
    border: 1px solid var(--line-card);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    background: linear-gradient(135deg, var(--wash-navy-subtle), var(--wash-teal-subtle));
    box-shadow: var(--shadow-card);
}

.schedule-frame {
    overflow: hidden;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    background: var(--color-paper);
    box-shadow: inset 0 0 0 1px var(--wash-teal-subtle);
}

.schedule-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    background: var(--color-cloud);
}

.schedule-caption {
    margin: 0;
    color: var(--color-ink-muted);
    font-weight: 700;
}

.schedule-placeholder {
    display: grid;
    gap: var(--space-4);
    border: 1px dashed var(--color-teal);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    background: var(--surface-card);
    box-shadow: var(--shadow-card);
}

.schedule-placeholder h3,
.schedule-placeholder p {
    margin: 0;
}

.schedule-placeholder p {
    color: var(--color-ink-muted);
}

.site-footer {
    margin-top: var(--space-7);
    padding: var(--space-6) 0;
    color: var(--text-inverse-soft);
    background: var(--color-navy);
}

.footer-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.admin-page,
.login-page {
    min-height: 100vh;
    padding: var(--space-6) 0;
}

.login-page {
    display: grid;
    place-items: center;
}

.login-card {
    width: min(31rem, calc(100% - var(--space-6)));
    padding: var(--space-6);
}

.admin-card {
    padding: var(--space-6);
}

.admin-header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

.form-grid {
    display: grid;
    gap: var(--space-5);
}

.admin-layout {
    display: grid;
    grid-template-columns: minmax(12rem, 16rem) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: start;
}

.admin-sidebar {
    position: sticky;
    top: var(--space-4);
    border: 1px solid var(--line-card);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    background: var(--wash-navy-subtle);
}

.admin-sidebar-nav,
.admin-content,
.admin-section-card {
    display: grid;
    gap: var(--space-3);
}

.admin-sidebar-nav a {
    border-radius: var(--radius-sm);
    color: var(--color-navy);
    font-weight: 900;
    padding: var(--space-2) var(--space-3);
    text-decoration: none;
}

.admin-sidebar-nav a:hover,
.admin-sidebar-nav a.is-active,
.admin-sidebar-nav a:focus {
    background: var(--color-paper);
}

.admin-section-card {
    border: 1px solid var(--line-card);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    background: var(--color-paper);
}

.admin-section-card h2 {
    margin: 0 0 var(--space-2);
    font-family: var(--font-heading);
}

.field-group {
    display: grid;
    gap: var(--space-2);
}

.field-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

label {
    color: var(--color-navy);
    font-weight: 900;
}

.field-help,
.credential-note {
    margin: 0;
    color: var(--color-ink-muted);
    font-size: 0.92rem;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    font: inherit;
    padding: var(--space-3) var(--space-4);
    background: var(--color-paper);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input[type="file"] {
    padding: var(--space-2);
}

.upload-panel {
    display: grid;
    gap: var(--space-2);
    border: 1px dashed var(--color-teal);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    background: var(--wash-teal-subtle);
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

textarea {
    min-height: 9rem;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-teal);
    outline: 0;
    box-shadow: 0 0 0 0.25rem var(--wash-teal-focus);
}

.selection-toggle-row label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-pill);
    padding: var(--space-2) var(--space-3);
    background: var(--color-paper);
}

.selection-toggle-row input {
    width: auto;
}

.message {
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    padding: var(--space-4);
}

.message-success {
    color: var(--color-success);
    background: var(--wash-teal-subtle);
}

.message-error {
    color: var(--color-danger);
    background: var(--wash-danger);
}

.message ul {
    margin: 0;
    padding-left: var(--space-5);
}

@media (max-width: 820px) {
    .hero-grid,
    .card-grid,
    .route-grid,
    .admin-layout,
    .upload-grid,
    .field-row {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }

    .section-heading,
    .admin-header,
    .nav-bar {
        align-items: start;
        flex-direction: column;
    }

    .nav-links {
        justify-content: start;
    }

    .hero {
        padding-top: var(--space-7);
    }
}

@media (max-width: 540px) {
    .container {
        width: min(100% - var(--space-4), 1120px);
    }

    .hero-panel,
    .card,
    .admin-card,
    .login-card {
        padding: var(--space-5);
    }

    .button {
        width: 100%;
    }
}