/* ShalaConnect — Portal design system (admin, school, staff) */

:root {
    --font: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
    --brand: #4f46e5;
    --brand-light: #6366f1;
    --brand-dark: #3730a3;
    --accent: #06b6d4;
    --accent-2: #8b5cf6;
    --success: #059669;
    --success-bg: #d1fae5;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --info: #2563eb;
    --info-bg: #dbeafe;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #f1f5f9;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --bg: #f1f5f9;
    --dark: #0b1120;
    --dark-2: #131c31;
    --dark-3: #1e293b;
    --sidebar-width: 272px;
    --topbar-h: 64px;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
    --shadow-brand: 0 12px 32px rgba(99, 102, 241, 0.28);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);

    /* Legacy aliases */
    --gm-blue: var(--brand-light);
    --gm-blue-soft: #eef2ff;
    --gm-text: var(--text);
    --gm-text-secondary: var(--text-secondary);
    --gm-border: var(--border);
    --gm-bg: var(--bg);
    --gm-surface: var(--surface);
    --gm-sidebar: var(--dark);
}

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

html { height: 100%; scroll-behavior: smooth; }

body {
    min-height: 100%;
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3, h4 {
    line-height: 1.25;
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--text);
}

/* ── Auth pages ── */

.auth-page {
    min-height: 100vh;
    background: var(--surface-2);
}

.auth-split {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(380px, 520px);
    min-height: 100vh;
}

.auth-panel {
    position: relative;
    background: var(--dark);
    color: #e2e8f0;
    overflow: hidden;
    display: flex;
    align-items: stretch;
}

.auth-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 60% at 70% -10%, rgba(99, 102, 241, 0.45), transparent),
        radial-gradient(ellipse 60% 50% at 10% 80%, rgba(139, 92, 246, 0.3), transparent),
        radial-gradient(ellipse 40% 40% at 90% 60%, rgba(6, 182, 212, 0.2), transparent);
}

.auth-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black, transparent);
}

.auth-panel__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 56px 48px;
    max-width: 520px;
}

.auth-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 40px;
}

.auth-brand__mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-light) 0%, var(--accent-2) 100%);
    display: grid;
    place-items: center;
    box-shadow: var(--shadow-brand);
    flex-shrink: 0;
    color: #fff;
}

.auth-brand__mark svg { width: 22px; height: 22px; }

.auth-brand__mark--sm {
    width: 32px;
    height: 32px;
    border-radius: 10px;
}

.auth-brand__mark--sm svg { width: 18px; height: 18px; }

.auth-panel__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.auth-panel__lead {
    font-size: 1rem;
    color: #94a3b8;
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 42ch;
}

.auth-panel__features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.auth-panel__features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9375rem;
    color: #cbd5e1;
    line-height: 1.5;
}

.auth-panel__features li::before {
    content: "";
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    border-radius: 99px;
    background: linear-gradient(135deg, var(--brand-light), var(--accent-2));
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 12px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 12px no-repeat;
}

.auth-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: var(--surface-2);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 40px 36px 32px;
}

.auth-card__mobile-brand {
    display: none;
    align-items: center;
    gap: 10px;
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 24px;
}

.auth-portal-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 99px;
    background: var(--gm-blue-soft);
    color: var(--brand-dark);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.auth-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.55;
    margin-bottom: 28px;
}

.auth-footer {
    margin-top: 28px;
    text-align: center;
    font-size: 0.875rem;
}

.auth-footer a {
    color: var(--brand-light);
    text-decoration: none;
    font-weight: 600;
}

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

/* Auth form fields */
.auth-card form,
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.auth-card .form-field,
.auth-form .form-field,
.auth-card .auth-field,
.auth-form .auth-field {
    margin-bottom: 20px;
}

.auth-card label,
.auth-form label,
.auth-card .form-field label,
.auth-form .form-field label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.auth-card input[type="text"],
.auth-card input[type="password"],
.auth-card input[type="email"],
.auth-form input[type="text"],
.auth-form input[type="password"],
.auth-form input[type="email"] {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--text);
    background: var(--surface);
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.auth-card input:hover,
.auth-form input:hover {
    border-color: #cbd5e1;
}

.auth-card input:focus,
.auth-form input:focus {
    outline: none;
    border-color: var(--brand-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

.auth-card .form-actions,
.auth-form .form-actions,
.auth-card .auth-actions {
    margin-top: 8px;
}

.auth-card button[type="submit"],
.auth-form button[type="submit"] {
    width: 100%;
    height: 46px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--brand-light), var(--accent-2));
    color: #fff;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-brand);
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.auth-card button[type="submit"]:hover,
.auth-form button[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(99, 102, 241, 0.35);
}

.auth-card button[type="submit"]:active,
.auth-form button[type="submit"]:active {
    transform: translateY(0);
}

/* Portal alerts (auth + app) */
.portal-alert,
.admin-flash {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    line-height: 1.45;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.portal-alert--info,
.admin-flash--info {
    background: var(--info-bg);
    color: #1d4ed8;
    border-color: #bfdbfe;
}

.portal-alert--success,
.admin-flash--success {
    background: var(--success-bg);
    color: #047857;
    border-color: #a7f3d0;
}

.portal-alert--error,
.admin-flash--error {
    background: var(--danger-bg);
    color: #b91c1c;
    border-color: #fecaca;
}

.portal-alert--warning,
.admin-flash--warning {
    background: var(--warning-bg);
    color: #b45309;
    border-color: #fde68a;
}

/* ── App shell ── */

.portal-shell,
.admin-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.portal-body,
.admin-body {
    flex: 1;
    display: flex;
    min-height: 0;
}

.portal-sidebar,
.admin-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--dark);
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    padding: 20px 14px 28px;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 200;
}

.portal-sidebar__brand,
.admin-sidebar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
}

.portal-sidebar__logo,
.admin-sidebar__logo {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--brand-light), var(--accent-2));
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--shadow-brand);
}

.portal-sidebar__logo svg,
.admin-sidebar__logo svg {
    width: 20px;
    height: 20px;
    display: block;
}

.portal-sidebar__title,
.admin-sidebar__title {
    font-weight: 800;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    color: #fff;
}

.portal-sidebar__school {
    padding: 0 12px 12px;
    font-size: 0.75rem;
    color: #94a3b8;
    line-height: 1.4;
}

.portal-nav,
.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    overflow-y: auto;
}

.portal-nav__link,
.admin-nav__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: background 0.2s var(--ease), color 0.2s var(--ease);
    position: relative;
}

.portal-nav__link:hover,
.admin-nav__link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.portal-nav__link.is-active,
.admin-nav__link.is-active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.22), rgba(139, 92, 246, 0.16));
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.35);
}

.portal-nav__link.is-active::before,
.admin-nav__link.is-active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    border-radius: 0 4px 4px 0;
    background: linear-gradient(180deg, var(--brand-light), var(--accent-2));
}

.portal-nav__icon,
.admin-nav__icon {
    display: flex;
    color: #94a3b8;
    flex-shrink: 0;
}

.portal-nav__link.is-active .portal-nav__icon,
.admin-nav__link.is-active .admin-nav__icon {
    color: #c7d2fe;
}

.portal-nav__group,
.admin-nav__group {
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.portal-nav__group:first-of-type,
.admin-nav__group:first-of-type {
    border-top: none;
    margin-top: 4px;
    padding-top: 0;
}

.portal-nav__group-label,
.admin-nav__group-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    padding: 8px 12px 6px;
}

.portal-nav__sub,
.admin-nav__sub {
    list-style: none;
}

.portal-nav__sublink,
.admin-nav__sublink {
    display: block;
    padding: 8px 12px 8px 36px;
    border-radius: var(--radius-sm);
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.portal-nav__sublink:hover,
.admin-nav__sublink:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
}

.portal-nav__sublink.is-active,
.admin-nav__sublink.is-active {
    background: rgba(99, 102, 241, 0.15);
    color: #c7d2fe;
    font-weight: 600;
}

.portal-main,
.admin-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg);
}

.portal-topbar,
.admin-topbar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: var(--topbar-h);
    padding: 12px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.portal-topbar__left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.portal-topbar__title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.portal-topbar__user,
.admin-topbar__user {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.portal-topbar__user strong,
.admin-topbar__user strong {
    color: var(--text);
    font-weight: 600;
}

.portal-topbar__actions,
.admin-topbar__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.portal-topbar__logout,
.admin-topbar__logout,
a.logout {
    color: var(--brand-light);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
}

.portal-topbar__logout:hover,
.admin-topbar__logout:hover,
a.logout:hover {
    text-decoration: underline;
}

.header-inline-form { display: inline; margin: 0; }

.portal-content,
.admin-content {
    flex: 1;
    padding: 28px 28px 0;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.portal-footer,
.admin-footer {
    flex-shrink: 0;
    padding: 16px 28px 24px;
    text-align: center;
}

.portal-footer p,
.admin-footer p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Mobile menu toggle */
.portal-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    flex-shrink: 0;
}

.portal-menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 99px;
    transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.portal-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.portal-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.portal-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.portal-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    z-index: 150;
    opacity: 0;
    transition: opacity 0.25s var(--ease);
}

.portal-sidebar-backdrop.is-visible {
    display: block;
    opacity: 1;
}

body.portal-sidebar-open {
    overflow: hidden;
}

/* ── Page sections & cards ── */

.page-section {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 24px;
}

.page-section__header {
    padding: 24px 28px 20px;
    border-bottom: 1px solid var(--border-light);
}

.page-section__header--row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.page-section__title {
    font-size: 1.375rem;
    font-weight: 700;
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

.page-section__lead {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.55;
    max-width: 640px;
}

.page-section__body {
    padding: 24px 28px 28px;
}

.page-section__body--flush-top {
    padding-top: 0;
}

.page-section__body--stack {
    display: flex;
    flex-direction: column;
    gap: var(--dash-block-gap);
    padding-top: 24px;
}

.page-section__body--stack > .admin-flash,
.page-section__body--stack > .empty-hint {
    margin: 0;
}

/* ── List & table pages ── */

.page-section__body--stack > .form-fieldset,
.page-section__body--stack > .table-wrap,
.page-section__body--stack > .portal-split-layout,
.page-section__body--stack > .students-layout,
.page-section__body--stack > .subjects-layout,
.page-section__body--stack > .class-teachers-layout,
.page-section__body--stack > .fee-structures-layout,
.page-section__body--stack > .pager-wrap,
.page-section__body--stack > .page-subnav,
.page-section__body--stack > .calendar-subnav,
.page-section__body--stack > .exams-toolbar,
.page-section__body--stack > form,
.page-section__body--stack > .list-pagination-bar,
.page-section__body--stack > .student-details-grid,
.page-section__body--stack > .calendar-panel {
    margin: 0;
}

.page-section__body--stack > .empty-hint {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.page-section__body--stack > .form-fieldset {
    margin-bottom: 0;
}

.page-section__body--stack .pager-wrap {
    margin-top: 0;
}

.page-section__header .action-row {
    align-items: flex-end;
}

.page-section__header .action-row .form-field {
    margin: 0;
    min-width: 220px;
}

.page-section__header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.page-section__subsection-title,
.students-main__title,
.subjects-main__title,
.class-teachers-main__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.portal-split-layout,
.students-layout,
.subjects-layout,
.class-teachers-layout,
.fee-structures-layout {
    display: grid;
    grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.portal-split-layout__sidebar,
.students-layout__sidebar,
.subjects-layout__sidebar,
.class-teachers-layout__sidebar,
.fee-structures-layout__sidebar {
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
}

.portal-split-layout__main,
.students-layout__main,
.subjects-layout__main,
.class-teachers-layout__main,
.fee-structures-layout__main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.split-main-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.split-main-panel__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
}

.split-main-panel__heading {
    min-width: 0;
}

.split-main-panel__title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
    color: var(--text);
    line-height: 1.35;
}

.split-main-panel__meta {
    margin: 6px 0 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.45;
}

.split-main-panel__body {
    padding: 0;
}

.split-main-panel__body > .empty-hint {
    margin: 0;
    padding: 22px;
    border: none;
    border-radius: 0;
    background: transparent;
}

.split-main-panel__body > .table-wrap {
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.split-main-panel .table-wrap--scroll {
    max-height: min(calc(100vh - 340px), 560px);
}

.portal-sidebar-fieldset,
.students-sidebar-fieldset,
.subjects-sidebar-fieldset,
.class-teachers-sidebar-fieldset,
.fee-structures-sidebar-fieldset {
    margin-bottom: 0;
}

.portal-sidebar-fieldset .form-actions,
.students-sidebar-fieldset .form-actions,
.subjects-sidebar-fieldset .form-actions,
.class-teachers-sidebar-fieldset .form-actions,
.fee-structures-sidebar-fieldset .form-actions {
    flex-direction: column;
    align-items: stretch;
}

.portal-sidebar-fieldset .form-actions .btn,
.students-sidebar-fieldset .form-actions .btn,
.subjects-sidebar-fieldset .form-actions .btn,
.class-teachers-sidebar-fieldset .form-actions .btn,
.fee-structures-sidebar-fieldset .form-actions .btn {
    width: 100%;
    justify-content: center;
}

@media (max-width: 960px) {
    .portal-split-layout,
    .students-layout,
    .subjects-layout,
    .class-teachers-layout,
    .fee-structures-layout {
        grid-template-columns: 1fr;
    }

    .portal-split-layout__sidebar,
    .students-layout__sidebar,
    .subjects-layout__sidebar,
    .class-teachers-layout__sidebar,
    .fee-structures-layout__sidebar {
        position: static;
    }
}

.list-pagination-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.list-pagination-bar .empty-hint {
    padding: 0;
    border: none;
    background: none;
}

.page-subnav,
.calendar-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-subnav__link,
.calendar-subnav__link {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}

.page-subnav__link:hover,
.calendar-subnav__link:hover {
    background: var(--surface-2);
}

.page-subnav__link.is-active,
.calendar-subnav__link.is-active {
    background: rgba(99, 102, 241, 0.08);
    color: var(--brand-light);
    border-color: rgba(99, 102, 241, 0.25);
}

/* ── Subjects page ── */

.subjects-page .select2-container--default .select2-selection--multiple {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-height: 42px;
    padding: 4px 6px;
}

.subjects-page .select2-container--default .select2-selection--multiple .select2-selection__choice {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.22);
    color: var(--brand-light);
    border-radius: 999px;
    padding: 2px 8px;
}

.subjects-modal {
    padding: 0;
    border: none;
    border-radius: var(--radius);
    max-width: 520px;
    width: calc(100vw - 32px);
    box-shadow: var(--shadow-lg);
}

.subjects-modal--wide {
    max-width: 640px;
}

.subjects-modal::backdrop {
    background: rgba(11, 17, 32, 0.55);
    backdrop-filter: blur(4px);
}

.subjects-modal__inner {
    padding: 24px 26px 22px;
}

.subjects-modal__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.subjects-modal__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
}

.subjects-modal__close {
    border: none;
    background: var(--surface-3);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.subjects-modal__close:hover {
    background: var(--border);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.info-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    background: var(--surface-2);
    transition: box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.info-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-sm);
}

.info-card__title {
    font-size: 0.9375rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.info-card__text {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.placeholder-block {
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 28px 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    background: var(--surface-2);
}

.placeholder-block p { margin: 0; }

.placeholder-block strong { color: var(--text); }

.empty-hint {
    margin: 0;
    padding: 8px 0 4px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.panel h1 {
    font-size: 1.375rem;
    font-weight: 700;
    margin: 0 0 12px;
}

.panel p {
    margin: 0 0 10px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.55;
}

.panel dl {
    margin: 16px 0 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 20px;
    font-size: 0.875rem;
}

.panel dt { color: var(--text-secondary); }

.panel dd { margin: 0; font-weight: 600; }

/* ── Buttons ── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    height: 40px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    line-height: 1;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }

.btn:active { transform: translateY(0); }

.btn--primary {
    background: linear-gradient(135deg, var(--brand-light), var(--accent-2));
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-brand);
}

.btn--primary:hover {
    box-shadow: 0 16px 40px rgba(99, 102, 241, 0.35);
}

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

.btn--secondary {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.btn--secondary:hover {
    background: var(--surface-3);
    border-color: #cbd5e1;
}

.btn--ghost {
    background: transparent;
    color: var(--brand-light);
    border-color: transparent;
}

.btn--ghost:hover {
    background: var(--gm-blue-soft);
}

.btn--danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: #fecaca;
}

.btn--danger:hover {
    background: #fecaca;
}

.btn--small {
    height: 34px;
    padding: 0 12px;
    font-size: 0.8125rem;
}

/* ── Tables ── */

.table-wrap {
    overflow-x: auto;
    margin: 0 -4px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.page-section .table-wrap {
    margin: 0;
}

.table-wrap--scroll {
    max-height: min(calc(100vh - 280px), 640px);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.table-wrap--scroll .data-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    box-shadow: 0 1px 0 var(--border);
}

@media (max-width: 960px) {
    .table-wrap--scroll {
        max-height: min(calc(100vh - 240px), 520px);
    }
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.data-table th {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    background: var(--surface-2);
}

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

.data-table tbody tr:hover td {
    background: rgba(99, 102, 241, 0.03);
}

.data-table__actions {
    white-space: nowrap;
    width: 1%;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.inline-form {
    display: inline;
    margin: 0;
}

/* ── Badges ── */

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge--success {
    background: var(--success-bg);
    color: #047857;
}

.badge--muted {
    background: var(--surface-3);
    color: var(--text-secondary);
}

.badge--warning {
    background: var(--warning-bg);
    color: #b45309;
}

.badge--danger {
    background: var(--danger-bg);
    color: #b91c1c;
}

/* ── Pagination ── */

.pager-wrap { margin-top: 20px; }

.pager-wrap ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pager-wrap a {
    display: inline-block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--brand-light);
    border: 1px solid var(--border);
    background: var(--surface);
    font-weight: 600;
    font-size: 0.8125rem;
    transition: background 0.2s var(--ease);
}

.pager-wrap a:hover {
    background: var(--gm-blue-soft);
}

.pager-wrap strong {
    padding: 8px 12px;
    color: var(--text);
    font-weight: 700;
}

/* ── Forms ── */

.form-fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 20px 8px;
    margin-bottom: 20px;
    background: var(--surface);
}

.form-fieldset legend {
    padding: 0 8px;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.form-grid {
    display: grid;
    gap: 16px 20px;
}

.form-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-field--full {
    grid-column: 1 / -1;
}

.form-field label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-field .req {
    color: var(--danger);
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text);
    background: var(--surface);
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-field textarea {
    min-height: 88px;
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--brand-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.field-hint {
    margin: 6px 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.error-list {
    margin: 8px 0 0 18px;
    padding: 0;
}

.error-list li { margin-bottom: 4px; }

.error-field { font-weight: 600; }

.school-checkbox-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 280px;
    overflow: auto;
    padding: 8px 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.school-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.4;
    transition: background 0.15s var(--ease);
}

.school-check:hover {
    background: var(--surface);
}

.school-check input { margin-top: 2px; }

.school-check__code {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.school-check__inactive {
    display: inline-block;
    margin-left: 6px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--danger);
}

/* ── Dashboard shared styles ── */

:root {
    --dash-block-gap: 28px;
    --dash-grid-gap: 20px;
    --dash-kpi-gap: 14px;
    --dash-pad: 32px;
}

.portal-content,
.admin-content {
    padding-bottom: 36px;
}

.portal-content--staff {
    max-width: 1280px;
}

/* Dashboard card shell — content lives directly in section, not in __body */
.page-section--dashboard,
.page-section.admin-dash,
.page-section.teacher-dash,
.page-section.exam-dash,
.page-section.fee-dash {
    display: flex;
    flex-direction: column;
    gap: var(--dash-block-gap);
    padding: var(--dash-pad);
    overflow: visible;
}

.page-section--dashboard > :last-child,
.page-section.admin-dash > :last-child,
.page-section.teacher-dash > :last-child,
.page-section.exam-dash > :last-child,
.page-section.fee-dash > :last-child {
    margin-bottom: 0;
}

.admin-dash,
.teacher-dash,
.exam-dash,
.fee-dash,
.owner-dash {
    display: flex;
    flex-direction: column;
    gap: var(--dash-block-gap);
    max-width: 100%;
    width: 100%;
    margin: 0;
}

.admin-dash__intro,
.teacher-dash__intro,
.exam-dash__intro,
.fee-dash__intro,
.owner-dash__intro {
    margin: 0;
}

.admin-dash__intro h1,
.teacher-dash__intro h1,
.exam-dash__intro h1,
.fee-dash__intro h1,
.owner-dash__intro h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

.admin-dash__intro p,
.teacher-dash__intro p,
.exam-dash__intro p,
.fee-dash__intro p,
.owner-dash__intro p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.55;
}

.admin-dash__intro p + p,
.teacher-dash__intro p + p,
.exam-dash__intro p + p,
.fee-dash__intro p + p,
.owner-dash__intro p + p,
.admin-dash__intro .empty-hint,
.teacher-dash__intro .empty-hint,
.owner-dash__intro .empty-hint {
    margin-top: 10px;
}

.page-section--dashboard .admin-flash,
.page-section.admin-dash .admin-flash,
.page-section.teacher-dash .admin-flash,
.page-section.exam-dash .admin-flash,
.page-section.fee-dash .admin-flash,
.owner-dash .admin-flash {
    margin: 0;
}

.page-section--dashboard .empty-hint,
.page-section.admin-dash .empty-hint,
.page-section.teacher-dash .empty-hint,
.page-section.exam-dash .empty-hint,
.page-section.fee-dash .empty-hint,
.owner-dash .empty-hint {
    margin: 0;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.admin-dash__filter,
.teacher-dash__filter,
.exam-dash__filter,
.fee-dash__filter,
.owner-dash__filter {
    margin: 0;
    padding: 20px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.admin-dash__filter form,
.teacher-dash__filter form,
.exam-dash__filter form,
.fee-dash__filter form,
.owner-dash__filter form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px 18px;
}

.admin-dash__filter .form-field,
.teacher-dash__filter .form-field,
.exam-dash__filter .form-field,
.fee-dash__filter .form-field,
.owner-dash__filter .form-field {
    margin: 0;
}

.admin-dash__filter label,
.teacher-dash__filter label,
.exam-dash__filter label,
.fee-dash__filter label,
.owner-dash__filter label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.admin-dash__filter select,
.teacher-dash__filter select,
.exam-dash__filter select,
.fee-dash__filter select,
.owner-dash__filter select {
    min-width: 220px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 0.875rem;
    font-family: inherit;
    background: var(--surface);
}

.admin-dash-kpis,
.teacher-dash-kpis,
.exam-dash-kpis,
.fee-dash-kpis,
.owner-dash-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(152px, 1fr));
    gap: var(--dash-kpi-gap);
    margin: 0;
}

.admin-dash-kpi,
.teacher-dash-kpi,
.exam-dash-kpi,
.fee-dash-kpi,
.owner-dash-kpi {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.admin-dash-kpi:hover,
.teacher-dash-kpi:hover,
.exam-dash-kpi:hover,
.fee-dash-kpi:hover,
.owner-dash-kpi:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.admin-dash-kpi__label,
.teacher-dash-kpi__label,
.exam-dash-kpi__label,
.fee-dash-kpi__label,
.owner-dash-kpi__label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 700;
    line-height: 1.3;
}

.admin-dash-kpi__value,
.teacher-dash-kpi__value,
.exam-dash-kpi__value,
.fee-dash-kpi__value,
.owner-dash-kpi__value {
    font-size: 1.3125rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.admin-dash-kpi__value--blue,
.teacher-dash-kpi__value--blue,
.exam-dash-kpi__value--blue,
.fee-dash-kpi__value--blue,
.owner-dash-kpi__value--blue {
    color: var(--brand-light);
}

.admin-dash-kpi__value--green,
.teacher-dash-kpi__value--green,
.exam-dash-kpi__value--green,
.fee-dash-kpi__value--green,
.owner-dash-kpi__value--green {
    color: var(--success);
}

.admin-dash-kpi__value--amber,
.teacher-dash-kpi__value--amber,
.exam-dash-kpi__value--amber,
.fee-dash-kpi__value--amber,
.owner-dash-kpi__value--amber {
    color: var(--warning);
}

.admin-dash-kpi__value--red,
.exam-dash-kpi__value--red,
.fee-dash-kpi__value--red,
.owner-dash-kpi__value--red {
    color: var(--danger);
}

.admin-dash-grid,
.teacher-dash-grid,
.exam-dash-grid,
.fee-dash-grid,
.owner-dash-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--dash-grid-gap);
    margin: 0;
}

.admin-dash-card,
.teacher-dash-card,
.exam-dash-card,
.fee-dash-card,
.owner-dash-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px 18px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.admin-dash-card h2,
.teacher-dash-card h2,
.exam-dash-card h2,
.fee-dash-card h2,
.owner-dash-card h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--text);
}

.chart-wrap {
    position: relative;
    height: 260px;
}

.admin-dash-card .chart-wrap,
.owner-dash-card .chart-wrap {
    height: 240px;
}

.admin-dash-tables,
.teacher-dash-tables,
.exam-dash-tables,
.fee-dash-tables,
.owner-dash-tables {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--dash-grid-gap);
    margin: 0;
}

.admin-dash-tables .table-wrap,
.teacher-dash-tables .table-wrap,
.exam-dash-tables .table-wrap,
.fee-dash-tables .table-wrap,
.owner-dash-tables .table-wrap {
    margin: 0;
    max-height: 320px;
    overflow: auto;
}

.admin-dash-tables .table-wrap .data-table thead th,
.teacher-dash-tables .table-wrap .data-table thead th,
.exam-dash-tables .table-wrap .data-table thead th,
.fee-dash-tables .table-wrap .data-table thead th,
.owner-dash-tables .table-wrap .data-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    box-shadow: 0 1px 0 var(--border);
}

.admin-dash-flags,
.owner-dash-flags {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
    padding-top: 4px;
}

.teacher-dash-flags {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin: 0;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.exam-dash__actions {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Simple welcome dashboard (generic staff) */
.dashboard-welcome {
    max-width: 640px;
}

.dashboard-welcome.panel {
    padding: 32px;
}

.dashboard-welcome h1 {
    font-size: 1.375rem;
    margin-bottom: 12px;
}

.dashboard-welcome p {
    margin-bottom: 12px;
}

.dashboard-welcome dl {
    margin-top: 20px;
    gap: 10px 24px;
}

.dash-card--full {
    grid-column: 1 / -1;
}

.dash-card--stack {
    margin-bottom: 0;
}

.chart-wrap--sm {
    height: 200px;
}

.chart-wrap--md {
    height: 220px;
}

.dash-kpi__value--compact {
    font-size: 1rem;
    line-height: 1.35;
}

@media (max-width: 960px) {
    :root {
        --dash-pad: 24px;
        --dash-block-gap: 22px;
        --dash-grid-gap: 16px;
    }

    .admin-dash-grid,
    .teacher-dash-grid,
    .exam-dash-grid,
    .fee-dash-grid,
    .owner-dash-grid,
    .admin-dash-tables,
    .teacher-dash-tables,
    .exam-dash-tables,
    .fee-dash-tables,
    .owner-dash-tables {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        --dash-pad: 20px;
        --dash-block-gap: 18px;
        --dash-kpi-gap: 10px;
    }

    .admin-dash-kpis,
    .teacher-dash-kpis,
    .exam-dash-kpis,
    .fee-dash-kpis,
    .owner-dash-kpis {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-dash__filter select,
    .teacher-dash__filter select,
    .exam-dash__filter select,
    .fee-dash__filter select,
    .owner-dash__filter select {
        min-width: 100%;
        width: 100%;
    }
}

/* ── School select shell (shared portal styles) ── */

.select-shell { min-height: 100vh; display: flex; flex-direction: column; }

.select-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 12px 28px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.select-topbar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.select-logo {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--brand-light), var(--accent-2));
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--shadow-brand);
}

.select-logo svg {
    width: 20px;
    height: 20px;
    display: block;
}

.select-title {
    font-weight: 800;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
}

.select-topbar__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

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

.select-user strong {
    color: var(--text);
    font-weight: 600;
}

.select-content,
.select-main {
    flex: 1;
    padding: 28px;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
}

.select-footer {
    padding: 16px 24px 20px;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.portal-topbar__role {
    color: var(--text-muted);
    font-weight: 500;
}

/* ── Responsive ── */

@media (max-width: 960px) {
    .auth-split {
        grid-template-columns: 1fr;
    }

    .auth-panel {
        display: none;
    }

    .auth-card__mobile-brand {
        display: flex;
    }

    .auth-main {
        padding: 24px 16px;
    }

    .portal-menu-toggle {
        display: inline-flex;
    }

    .portal-sidebar,
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(var(--sidebar-width), 88vw);
        transform: translateX(-100%);
        transition: transform 0.3s var(--ease);
        box-shadow: var(--shadow-lg);
    }

    .portal-sidebar.is-open,
    .admin-sidebar.is-open {
        transform: translateX(0);
    }

    .portal-content,
    .admin-content {
        padding: 20px 16px 28px;
    }

    .portal-topbar,
    .admin-topbar {
        padding: 12px 16px;
    }
}

@media (max-width: 640px) {
    .form-grid--2 {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 32px 24px 28px;
    }

    .page-section__header,
    .page-section__body {
        padding-left: 20px;
        padding-right: 20px;
    }
}

/* ── Timetable pages ── */

.timetable-page .page-section__body,
.timetable-page__body {
    padding: 28px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: var(--dash-block-gap);
}

.timetable-page .page-section__body > .admin-flash,
.timetable-page__body > .admin-flash {
    margin: 0;
}

.timetable-layout {
    display: grid;
    grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.timetable-layout__sidebar {
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
}

.timetable-layout__main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timetable-sidebar-fieldset {
    margin-bottom: 0;
}

.timetable-main-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.timetable-main-header__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
}

.timetable-main-header__meta {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 6px;
}

.timetable-weekly-scroll {
    max-height: min(calc(100vh - 260px), 680px);
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    -webkit-overflow-scrolling: touch;
}

.timetable-weekly-scroll .teacher-weekly-calendar {
    width: 100%;
    min-width: 720px;
    margin: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.timetable-weekly-scroll .teacher-weekly-calendar thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--surface-2);
    box-shadow: 0 1px 0 var(--border);
}

.timetable-weekly-scroll .teacher-weekly-calendar th,
.timetable-weekly-scroll .teacher-weekly-calendar td {
    border-bottom: 1px solid var(--border-light);
}

.timetable-weekly-scroll .teacher-weekly-calendar tbody tr:last-child td {
    border-bottom: none;
}

.teacher-weekly-calendar .slot-cell {
    min-width: 120px;
    white-space: nowrap;
    font-weight: 600;
    vertical-align: top;
    background: var(--surface-2);
}

.teacher-weekly-calendar .day-cell {
    min-width: 148px;
    vertical-align: top;
}

.teacher-weekly-calendar .slot-entry {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: linear-gradient(145deg, #f8faff, #fff);
    padding: 10px 12px;
    margin-bottom: 10px;
}

.teacher-weekly-calendar .slot-entry:last-child {
    margin-bottom: 0;
}

.teacher-weekly-calendar .slot-entry--inactive {
    opacity: 0.72;
    background: var(--surface-3);
}

.teacher-weekly-calendar .slot-entry__subject {
    font-weight: 600;
    color: var(--brand-light);
    font-size: 0.875rem;
    line-height: 1.4;
}

.teacher-weekly-calendar .slot-entry__class {
    font-weight: 600;
    color: var(--text);
    font-size: 0.875rem;
}

.teacher-weekly-calendar .slot-entry__teacher {
    font-size: 0.8125rem;
    color: var(--text);
    margin-top: 6px;
    line-height: 1.4;
}

.teacher-weekly-calendar .slot-entry__meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.teacher-weekly-calendar .slot-empty {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.teacher-weekly-calendar .slot-cell__time {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 4px;
}

.timetable-page .page-section__body > .empty-hint,
.timetable-page__body > .empty-hint {
    margin: 0;
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.timetable-modal {
    padding: 0;
    border: none;
    border-radius: var(--radius);
    max-width: 520px;
    width: calc(100vw - 32px);
    box-shadow: var(--shadow-lg);
}

.timetable-modal::backdrop {
    background: rgba(11, 17, 32, 0.55);
    backdrop-filter: blur(4px);
}

.timetable-modal__inner {
    padding: 24px 26px 22px;
}

.timetable-modal__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.timetable-modal__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
}

.timetable-modal__close {
    border: none;
    background: var(--surface-3);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.timetable-modal__close:hover {
    background: var(--border);
}

@media (max-width: 960px) {
    .timetable-layout {
        grid-template-columns: 1fr;
    }

    .timetable-layout__sidebar {
        position: static;
    }

    .timetable-page .page-section__body,
    .timetable-page__body {
        padding: 24px 20px 28px;
    }

    .timetable-weekly-scroll {
        max-height: min(calc(100vh - 220px), 560px);
    }
}

/* ── Exams module (modal & toolbar) ── */

.exams-modal {
    padding: 0;
    border: none;
    border-radius: var(--radius);
    max-width: min(920px, 100vw - 32px);
    width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
    box-shadow: var(--shadow-lg);
}

.exams-modal::backdrop {
    background: rgba(11, 17, 32, 0.55);
    backdrop-filter: blur(4px);
}

.exams-modal__scroll {
    max-height: calc(100vh - 120px);
    overflow: auto;
    padding: 22px 24px 20px;
}

.exams-modal__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    position: sticky;
    top: 0;
    background: var(--surface);
    z-index: 1;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.exams-modal__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
}

.exams-modal__close {
    border: none;
    background: var(--surface-3);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.exams-modal__close:hover {
    background: var(--border);
}

.exams-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.exams-filter-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    background: var(--surface);
    margin-bottom: 16px;
}

.exams-filter-card__form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px 16px;
}

.exams-filter-card__field select {
    min-width: 200px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-family: var(--font);
    font-size: 14px;
}

/* ── Attendance marking ── */

.status-picker {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.status-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.status-chip span {
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--surface);
    user-select: none;
}

.status-chip input:checked + span {
    border-color: var(--brand-light);
    background: rgba(99, 102, 241, 0.08);
    color: var(--brand-light);
}

/* ── Calendar page ── */

.calendar-panel {
    margin-top: 0;
}

.calendar-panel[hidden] {
    display: none !important;
}

#staff-calendar {
    min-height: 640px;
}

.calendar-legend {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.legend-chip {
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.75rem;
    color: #fff;
    font-weight: 600;
}

.legend-chip--holiday { background: #34a853; }
.legend-chip--exam { background: #f9ab00; color: #202124; }
.legend-chip--vacation { background: #1a73e8; }
.legend-chip--event { background: #9aa0a6; }

.fc .event-type-holiday { background: #34a853; border-color: #34a853; }
.fc .event-type-exam { background: #f9ab00; border-color: #f9ab00; color: #202124; }
.fc .event-type-vacation { background: #1a73e8; border-color: #1a73e8; }
.fc .event-type-event { background: #9aa0a6; border-color: #9aa0a6; }

/* ── Student detail cards ── */

.student-details-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.student-details-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 20px 16px;
    box-shadow: var(--shadow-sm);
}

.student-details-card--full {
    grid-column: 1 / -1;
}

.student-details-card h2 {
    margin: 0 0 14px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.student-meta {
    margin: 0;
    display: grid;
    grid-template-columns: minmax(130px, 170px) minmax(0, 1fr);
    gap: 10px 14px;
    font-size: 0.875rem;
}

.student-meta dt {
    color: var(--text-secondary);
}

.student-meta dd {
    margin: 0;
    font-weight: 600;
    color: var(--text);
    word-break: break-word;
}

@media (max-width: 900px) {
    .student-details-grid {
        grid-template-columns: 1fr;
    }

    .student-meta {
        grid-template-columns: 1fr;
        gap: 4px 10px;
    }

    .student-meta dd {
        margin-bottom: 8px;
    }
}

.profile-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

@media (max-width: 900px) {
    .profile-grid-3 {
        grid-template-columns: 1fr;
    }
}