:root {
    --sidebar: #122033;
    --sidebar-active: #1f3655;
    --accent: #2563eb;
    --bg: #f5f7fb;
    --text: #182235;
    --muted: #6c7789;
    --panel: #ffffff;
    --line: #dce3ee;
}

body {
    background: var(--bg);
    color: var(--text);
}

button,
input,
select,
textarea,
.btn,
.form-control,
.form-select {
    max-width: 100%;
    min-width: 0;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        linear-gradient(120deg, rgba(18, 32, 51, .82), rgba(37, 99, 235, .72)),
        url("https://images.unsplash.com/photo-1523580846011-d3a5bc25702b?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.login-card {
    width: min(980px, 100%);
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(8, 18, 36, .28);
}

.login-hero {
    background: #122033;
    color: white;
    padding: 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-hero i {
    font-size: 56px;
    color: #93c5fd;
}

.login-hero h1 {
    font-size: 42px;
    margin: 18px 0 12px;
}

.login-hero p {
    color: #dbeafe;
    font-size: 18px;
}

.login-form {
    padding: 56px;
    align-self: center;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
    transition: grid-template-columns .2s ease;
}

body.sidebar-collapsed .app-shell {
    grid-template-columns: 0 1fr;
}

.sidebar {
    background: var(--sidebar);
    color: #e8eef7;
    padding: 22px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform .2s ease, opacity .2s ease;
    width: 280px;
}

body.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
    opacity: 0;
    pointer-events: none;
}

.sidebar-backdrop {
    display: none;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 19px;
    padding: 10px 12px 24px;
}

.brand i {
    color: #93c5fd;
}

.brand-logo {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    object-fit: cover;
    background: #fff;
}

.sidebar .nav-link {
    color: #cbd6e6;
    border-radius: 8px;
    padding: 11px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    border: 0;
    background: transparent;
    text-align: left;
}

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

.sidebar .nav-link.active {
    background: #2563eb;
    color: #ffffff;
    box-shadow: inset 3px 0 0 #bfdbfe;
    font-weight: 700;
}

.sidebar .submenu-link.active {
    background: rgba(37, 99, 235, .22);
    color: #ffffff;
    box-shadow: inset 3px 0 0 #60a5fa;
}

.sidebar-parent {
    justify-content: space-between;
}

.sidebar-parent > span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.submenu-chevron {
    font-size: 12px;
    transition: transform .2s ease;
}

.sidebar-parent.is-open .submenu-chevron {
    transform: rotate(180deg);
}

.sidebar-submenu {
    display: none;
    margin: 2px 0 8px 18px;
    padding-left: 8px;
    border-left: 1px solid rgba(203, 214, 230, .22);
}

.sidebar-submenu.is-open {
    display: block;
}

.sidebar .submenu-link {
    font-size: 14px;
    padding: 9px 10px;
}

.main {
    min-width: 0;
}

.topbar {
    height: 72px;
    background: white;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 26px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.sidebar-toggle {
    width: 42px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.topbar-user {
    align-items: center;
    display: flex;
    gap: 8px;
}

.topbar-avatar {
    border: 2px solid #e5edfb;
    border-radius: 50%;
    height: 34px;
    object-fit: cover;
    width: 34px;
}

.content {
    padding: 28px;
}

.page-title {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 22px;
}

.page-title h1 {
    font-size: 28px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-title p {
    color: var(--muted);
    margin: 4px 0 0;
}

.panel,
.stat-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 8px 26px rgba(18, 32, 51, .05);
}

.stat-card {
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.stat-card:hover {
    border-color: rgba(37, 99, 235, .45);
    box-shadow: 0 14px 34px rgba(18, 32, 51, .10);
    transform: translateY(-2px);
}

.dashboard-title-icon {
    color: var(--accent);
    font-size: 25px;
}

.stat-card-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.stat-card span {
    display: block;
    color: var(--muted);
    font-size: 14px;
}

.stat-icon {
    align-items: center;
    background: #e8f0ff;
    border-radius: 8px;
    color: var(--accent);
    display: inline-flex;
    flex: 0 0 42px;
    height: 42px;
    justify-content: center;
    width: 42px;
}

.stat-icon i {
    font-size: 20px;
}

.stat-card strong {
    display: block;
    margin-top: 8px;
    font-size: 34px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.span-2 {
    grid-column: span 2;
}

.table {
    margin: 0;
}

.report-link {
    color: var(--text);
    display: flex;
    gap: 14px;
    min-height: 118px;
    text-decoration: none;
    align-items: center;
}

.report-link:hover {
    border-color: var(--accent);
    color: var(--text);
}

.report-link i {
    color: var(--accent);
    font-size: 30px;
}

.report-link strong,
.report-link small {
    display: block;
}

.report-link small {
    color: var(--muted);
    margin-top: 4px;
}

.forum-list {
    display: grid;
    gap: 12px;
}

.forum-thread {
    align-items: center;
    color: var(--text);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    text-decoration: none;
    transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.forum-thread:hover {
    border-color: rgba(37, 99, 235, .45);
    box-shadow: 0 14px 34px rgba(18, 32, 51, .10);
    color: var(--text);
    transform: translateY(-1px);
}

.forum-thread-main small,
.forum-bubble time {
    color: var(--muted);
}

.forum-thread-meta {
    align-items: center;
    color: var(--accent);
    display: inline-flex;
    font-weight: 700;
    gap: 8px;
}

.forum-chat {
    display: grid;
    gap: 16px;
}

.forum-chat-head {
    align-items: center;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    padding-bottom: 12px;
}

.forum-messages {
    display: grid;
    gap: 12px;
    max-height: 58vh;
    overflow-y: auto;
    padding: 4px;
}

.forum-message {
    display: flex;
}

.forum-message.is-mine {
    justify-content: flex-end;
}

.forum-message.is-other {
    justify-content: flex-start;
}

.forum-bubble {
    background: #eef4ff;
    border: 1px solid #d7e5ff;
    border-radius: 8px;
    max-width: min(680px, 88%);
    padding: 12px 14px;
}

.forum-message.is-mine .forum-bubble {
    background: #dcfce7;
    border-color: #bbf7d0;
}

.forum-author {
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 4px;
}

.forum-bubble time {
    display: block;
    font-size: 12px;
    margin-top: 6px;
    text-align: right;
}

.forum-reply {
    align-items: flex-end;
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr 48px;
}

.forum-reply .btn {
    height: 44px;
}

.profile-photo {
    border: 3px solid #e5edfb;
    border-radius: 50%;
    height: 88px;
    object-fit: cover;
    width: 88px;
}

.profile-photo-empty {
    align-items: center;
    background: #e8f0ff;
    color: var(--accent);
    display: inline-flex;
    font-size: 26px;
    font-weight: 800;
    justify-content: center;
}

.profile-hero {
    align-items: center;
    display: grid;
    gap: 14px;
    grid-template-columns: auto 1fr;
    margin-bottom: 16px;
    padding: 14px 16px;
}

.profile-hero-photo .profile-photo {
    height: 88px;
    width: 88px;
}

.profile-hero-main {
    min-width: 0;
}

.profile-role-badge {
    align-items: center;
    background: #eef4ff;
    border-radius: 999px;
    color: #1d4ed8;
    display: inline-flex;
    font-size: 11px;
    font-weight: 700;
    gap: 6px;
    margin-bottom: 7px;
    padding: 4px 9px;
}

.profile-hero-main h2 {
    font-size: 19px;
    line-height: 1.2;
    margin: 0 0 6px;
}

.profile-hero-main p {
    color: var(--muted);
    font-size: 13px;
    margin: 0 0 9px;
}

.profile-quick-data {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.profile-quick-data span {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 9px;
}

.profile-layout {
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
}

.profile-section {
    display: grid;
    gap: 12px;
}

.profile-security {
    grid-column: 2;
}

.profile-section-head {
    align-items: center;
    display: flex;
    gap: 10px;
}

.profile-section-head > i {
    align-items: center;
    background: #eef4ff;
    border-radius: 8px;
    color: #1d4ed8;
    display: inline-flex;
    font-size: 18px;
    height: 38px;
    justify-content: center;
    width: 38px;
}

.profile-section-head h2 {
    font-size: 15px;
    margin: 0;
}

.profile-section-head p {
    color: var(--muted);
    font-size: 12px;
    margin: 0;
}

.profile-data-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.profile-data-grid div {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 4px;
    padding: 10px;
}

.profile-data-grid span {
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}

.profile-data-grid strong {
    font-size: 13px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.admin-kpi-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
    margin-bottom: 16px;
}

.admin-kpi {
    background: var(--panel);
    border: 1px solid var(--line);
    border-left: 4px solid #16a34a;
    border-radius: 8px;
    box-shadow: 0 8px 26px rgba(18, 32, 51, .05);
    padding: 14px;
}

.admin-kpi-warning {
    border-left-color: #f59e0b;
}

.admin-kpi-danger {
    border-left-color: #dc2626;
}

.admin-kpi-head {
    align-items: center;
    color: var(--muted);
    display: flex;
    font-size: 12px;
    font-weight: 700;
    gap: 8px;
    justify-content: space-between;
}

.admin-kpi-head i {
    color: var(--accent);
    font-size: 18px;
}

.admin-kpi strong {
    display: block;
    font-size: 28px;
    line-height: 1;
    margin-top: 8px;
}

.admin-dashboard-grid,
.admin-dashboard-bottom {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 16px;
}

.super-dashboard-grid {
    align-items: stretch;
}

.super-chart-wide,
.super-alert-panel {
    grid-column: 1 / -1;
}

.student-hero {
    align-items: center;
    background: linear-gradient(135deg, #ecfdf5 0%, #eff6ff 52%, #fff7ed 100%);
    display: flex;
    gap: 18px;
    justify-content: space-between;
    margin-bottom: 16px;
}

.student-hero-kicker {
    color: #047857;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.student-hero h2 {
    font-size: 22px;
    margin: 5px 0;
}

.student-hero p {
    color: var(--muted);
    margin: 0;
}

.student-progress-ring {
    align-items: center;
    background: #fff;
    border: 8px solid #bbf7d0;
    border-radius: 50%;
    box-shadow: 0 12px 30px rgba(22, 163, 74, .14);
    display: flex;
    flex: 0 0 116px;
    height: 116px;
    justify-content: center;
    text-align: center;
    width: 116px;
    flex-direction: column;
}

.student-progress-ring strong {
    color: #15803d;
    font-size: 25px;
    line-height: 1;
}

.student-progress-ring span {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
}

.student-dashboard-grid,
.student-dashboard-lists {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 16px;
}

.student-list-card {
    min-width: 0;
}

.student-list-card .admin-card-head h2 {
    align-items: center;
    display: flex;
    gap: 8px;
}

.student-alert-panel {
    margin-bottom: 16px;
}

.admin-chart-card,
.admin-alert-panel,
.admin-week-panel {
    min-width: 0;
}

.admin-chart-body {
    height: 260px;
    position: relative;
    width: 100%;
}

.admin-chart-body canvas {
    display: block;
    height: 260px !important;
    max-height: 260px;
    width: 100% !important;
}

.admin-card-head {
    align-items: flex-start;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin-bottom: 12px;
}

.admin-card-head h2 {
    font-size: 16px;
    margin: 0 0 3px;
}

.admin-card-head p {
    color: var(--muted);
    font-size: 12px;
    margin: 0;
}

.admin-alert-list,
.admin-week-list {
    display: grid;
    gap: 10px;
    max-height: 440px;
    overflow: auto;
}

.admin-alert,
.admin-week-item,
.admin-empty-state {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-left: 4px solid #16a34a;
    border-radius: 8px;
    display: grid;
    gap: 3px;
    padding: 10px 12px;
}

.admin-alert-warning {
    border-left-color: #f59e0b;
}

.admin-alert-danger {
    border-left-color: #dc2626;
}

.admin-alert span,
.admin-week-item span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.admin-alert strong,
.admin-week-item strong {
    font-size: 13px;
    line-height: 1.35;
}

.admin-week-item small,
.admin-empty-state {
    color: var(--muted);
    font-size: 12px;
}

.admin-empty-state {
    align-items: center;
    border-left-color: var(--line);
    justify-items: center;
    padding: 24px;
    text-align: center;
}

.profile-upload {
    display: grid;
    gap: 12px;
}

.profile-file-drop {
    align-items: center;
    background: #f8fbff;
    border: 1px dashed #b8c7df;
    border-radius: 8px;
    cursor: pointer;
    display: grid;
    gap: 5px;
    justify-items: center;
    padding: 16px;
    text-align: center;
}

.profile-file-drop i {
    color: #1d4ed8;
    font-size: 28px;
}

.profile-file-drop span {
    font-weight: 800;
}

.profile-file-drop small {
    color: var(--muted);
}

.profile-file-drop input {
    display: none;
}

.grade-stat strong {
    color: var(--accent);
}

.gradebook-panel {
    padding: 0;
}

.gradebook-table th {
    white-space: nowrap;
}

.gradebook-table th:first-child,
.gradebook-table td:first-child {
    min-width: 220px;
}

.grade-evaluation-header {
    min-width: 138px;
    max-width: 168px;
    padding: 10px 8px !important;
    text-align: center;
    vertical-align: middle;
    white-space: normal !important;
    width: 148px;
}

.grade-evaluation-header span {
    display: -webkit-box;
    font-size: 12px;
    line-height: 1.25;
    max-height: 48px;
    overflow: hidden;
    overflow-wrap: anywhere;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    word-break: normal;
}

.gradebook-table th.grade-evaluation-header,
.gradebook-table td.grade-cell {
    text-align: center;
}

.gradebook-table td.grade-cell {
    min-width: 138px;
    max-width: 168px;
    width: 148px;
}

.grade-cell-actions {
    align-items: center;
    display: inline-flex;
    gap: 6px;
    justify-content: center;
}

.grade-edit-btn {
    align-items: center;
    border-radius: 999px;
    display: inline-flex;
    height: 28px;
    justify-content: center;
    padding: 0;
    width: 28px;
}

.grade-pill,
.grade-average {
    align-items: center;
    border-radius: 999px;
    display: inline-flex;
    font-weight: 800;
    justify-content: center;
    min-width: 46px;
    padding: 5px 10px;
}

.grade-pill.is-good,
.grade-average.is-good {
    background: #dcfce7;
    color: #166534;
}

.grade-pill.is-risk,
.grade-average.is-risk {
    background: #fee2e2;
    color: #991b1b;
}

.grade-average {
    font-size: 16px;
}

.grade-detail-row td {
    background: #f8fbff;
}

.grade-detail-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    padding: 12px 0;
}

.grade-detail-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 8px;
    padding: 12px;
}

.grade-detail-card small {
    color: var(--muted);
}

.class-calendar-panel {
    overflow: hidden;
}

.class-calendar-head {
    align-items: center;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    margin: -20px -20px 16px;
    padding: 18px 20px;
}

.class-calendar-head h2 {
    font-size: 22px;
    margin: 0;
}

.class-calendar-grid {
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(7, minmax(130px, 1fr));
    min-width: 920px;
}

.class-calendar-weekdays {
    background: var(--line);
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 1px;
    text-align: center;
}

.class-calendar-weekdays > div {
    background: #f8fbff;
    padding: 10px;
}

.class-calendar-day {
    background: #fff;
    border: 1px solid var(--line);
    min-height: 150px;
    padding: 8px;
}

.class-calendar-day.is-empty {
    background: #f3f6fb;
}

.class-calendar-day.is-today {
    box-shadow: inset 0 0 0 2px rgba(37, 99, 235, .35);
}

.class-calendar-number {
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 8px;
}

.class-calendar-item {
    background: #eef4ff;
    border: 1px solid #d7e5ff;
    border-radius: 8px;
    color: var(--text);
    display: grid;
    gap: 4px;
    margin-bottom: 8px;
    padding: 8px;
    text-decoration: none;
}

.class-calendar-time {
    align-items: center;
    background: #dbeafe;
    border-radius: 999px;
    color: #1d4ed8 !important;
    display: inline-flex;
    font-size: 12px !important;
    font-weight: 800;
    gap: 4px;
    justify-self: start;
    padding: 3px 8px;
}

.class-calendar-item:hover {
    border-color: rgba(37, 99, 235, .6);
    color: var(--text);
}

.class-calendar-item strong {
    font-size: 13px;
    line-height: 1.25;
}

.class-calendar-item span {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.2;
}

.student-week-panel {
    overflow-x: auto;
}

.student-week-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(7, minmax(180px, 1fr));
    min-width: 1180px;
}

.student-week-day {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 8px;
    min-height: 340px;
    padding: 10px;
}

.student-week-day.is-today {
    box-shadow: inset 0 0 0 2px rgba(37, 99, 235, .35);
}

.student-week-day header {
    align-items: center;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 8px;
}

.student-week-day header strong {
    color: var(--text);
    font-size: 14px;
}

.student-week-day header span,
.student-week-empty {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.student-class-card {
    background: #fff;
    border: 1px solid #d7e5ff;
    border-left: 4px solid #2563eb;
    border-radius: 8px;
    display: grid;
    gap: 6px;
    margin-bottom: 10px;
    padding: 10px;
}

.student-class-card strong {
    font-size: 13px;
    line-height: 1.25;
}

.student-class-card span {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.25;
}

.student-class-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 2px;
}

.student-class-actions a {
    background: #eef4ff;
    border-radius: 999px;
    color: #1d4ed8;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 8px;
    text-decoration: none;
}

.student-week-empty {
    align-items: center;
    background: #fff;
    border: 1px dashed var(--line);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    min-height: 92px;
}

.material-library-summary {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    margin-bottom: 14px;
}

.material-summary-card {
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 4px;
    grid-template-columns: auto 1fr;
    padding: 14px;
}

.material-summary-card i {
    align-items: center;
    background: #eef4ff;
    border-radius: 8px;
    color: #1d4ed8;
    display: inline-flex;
    font-size: 20px;
    grid-row: span 2;
    height: 42px;
    justify-content: center;
    width: 42px;
}

.material-summary-card span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.material-summary-card strong {
    color: var(--text);
    font-size: 24px;
    line-height: 1;
}

.material-filter-bar {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(170px, .9fr) minmax(150px, .7fr) minmax(220px, 1.4fr) auto;
    margin-bottom: 16px;
}

.material-filter-actions {
    display: flex;
    gap: 8px;
}

.material-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.material-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 12px;
    grid-template-columns: auto 1fr;
    padding: 16px;
    transition: border-color .15s ease, transform .15s ease;
}

.material-card:hover {
    border-color: rgba(37, 99, 235, .35);
    transform: translateY(-1px);
}

.material-card-icon {
    align-items: center;
    border-radius: 8px;
    display: inline-flex;
    font-size: 28px;
    height: 58px;
    justify-content: center;
    width: 58px;
}

.material-card-body {
    min-width: 0;
}

.material-card-top {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: space-between;
    margin-bottom: 8px;
}

.material-type-badge {
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 8px;
}

.material-date {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.material-card h2 {
    font-size: 18px;
    line-height: 1.2;
    margin: 0 0 8px;
    overflow-wrap: anywhere;
}

.material-card p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
    margin: 0 0 10px;
}

.material-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.material-tags span {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
}

.material-card-actions {
    align-items: center;
    display: flex;
    gap: 8px;
    grid-column: 1 / -1;
    justify-content: flex-end;
}

.material-type-pdf {
    background: #fee2e2;
    color: #b91c1c;
}

.material-type-doc {
    background: #dbeafe;
    color: #1d4ed8;
}

.material-type-sheet {
    background: #dcfce7;
    color: #15803d;
}

.material-type-image {
    background: #fef3c7;
    color: #a16207;
}

.material-type-video {
    background: #ede9fe;
    color: #6d28d9;
}

.material-type-generic {
    background: #f1f5f9;
    color: #475569;
}

.task-filter-bar {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(170px, .9fr) minmax(150px, .7fr) minmax(220px, 1.4fr) auto;
    margin-bottom: 16px;
}

.task-filter-actions {
    display: flex;
    gap: 8px;
}

.task-board {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
}

.task-column {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 8px;
    min-height: 420px;
    padding: 12px;
}

.task-column > header {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.task-column > header span {
    color: var(--text);
    font-weight: 800;
}

.task-column > header strong {
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    display: inline-flex;
    font-size: 13px;
    height: 28px;
    justify-content: center;
    min-width: 28px;
    padding: 0 8px;
}

.task-column-body {
    display: grid;
    gap: 12px;
}

.task-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 10px;
    padding: 14px;
}

.task-card-head {
    align-items: center;
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

.task-card-head small {
    color: var(--muted);
    font-weight: 800;
}

.task-card h2 {
    font-size: 17px;
    line-height: 1.22;
    margin: 0;
    overflow-wrap: anywhere;
}

.task-card p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
    margin: 0;
}

.task-meta,
.task-progress {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.task-meta span,
.task-progress span {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
}

.task-progress span {
    background: #eef4ff;
    color: #1d4ed8;
}

.task-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.task-empty {
    align-items: center;
    background: #fff;
    border: 1px dashed var(--line);
    border-radius: 8px;
    color: var(--muted);
    display: flex;
    font-size: 13px;
    font-weight: 800;
    justify-content: center;
    min-height: 120px;
}

.evaluation-filter-bar {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(170px, .9fr) minmax(150px, .7fr) minmax(220px, 1.4fr) auto;
    margin-bottom: 16px;
}

.evaluation-filter-actions {
    display: flex;
    gap: 8px;
}

.evaluation-timeline {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
}

.evaluation-column {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 8px;
    min-height: 420px;
    padding: 12px;
}

.evaluation-column > header {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.evaluation-column > header span {
    color: var(--text);
    font-weight: 800;
}

.evaluation-column > header strong {
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    display: inline-flex;
    font-size: 13px;
    height: 28px;
    justify-content: center;
    min-width: 28px;
    padding: 0 8px;
}

.evaluation-column-body {
    display: grid;
    gap: 12px;
}

.evaluation-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 10px;
    padding: 14px;
}

.evaluation-card-head {
    align-items: center;
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

.evaluation-card-head small {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
}

.evaluation-card h2 {
    font-size: 17px;
    line-height: 1.22;
    margin: 0;
    overflow-wrap: anywhere;
}

.evaluation-card p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
    margin: 0;
}

.evaluation-window,
.evaluation-tags,
.evaluation-progress {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.evaluation-window span,
.evaluation-tags span,
.evaluation-progress span {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
}

.evaluation-window span {
    background: #eef4ff;
    color: #1d4ed8;
}

.evaluation-progress span {
    background: #f1f5f9;
}

.evaluation-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.evaluation-empty {
    align-items: center;
    background: #fff;
    border: 1px dashed var(--line);
    border-radius: 8px;
    color: var(--muted);
    display: flex;
    font-size: 13px;
    font-weight: 800;
    justify-content: center;
    min-height: 120px;
}

.student-grade-summary {
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(220px, .8fr) repeat(auto-fit, minmax(180px, 1fr));
    margin-bottom: 16px;
}

.student-grade-overall,
.student-grade-subject {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 6px;
    padding: 16px;
}

.student-grade-overall {
    background: #eef4ff;
    border-color: #d7e5ff;
}

.student-grade-overall span,
.student-grade-subject span,
.student-grade-overall small,
.student-grade-subject small {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
}

.student-grade-overall strong,
.student-grade-subject strong {
    color: var(--text);
    font-size: 30px;
    line-height: 1;
}

.student-grade-subject strong.is-good {
    color: #15803d;
}

.student-grade-subject strong.is-risk {
    color: #b91c1c;
}

.announcement-filter-bar {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(4, minmax(130px, .8fr)) minmax(220px, 1.4fr) auto;
    margin-bottom: 16px;
}

.announcement-filter-actions {
    display: flex;
    gap: 8px;
}

.announcement-inbox {
    display: grid;
    gap: 10px;
}

.announcement-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.announcement-toggle {
    align-items: center;
    background: #fff;
    border: 0;
    color: var(--text);
    display: grid;
    gap: 12px;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    padding: 12px 14px;
    text-align: left;
    width: 100%;
}

.announcement-toggle:hover {
    background: #f8fbff;
}

.announcement-icon {
    align-items: center;
    background: #eef4ff;
    border-radius: 8px;
    color: #1d4ed8;
    display: inline-flex;
    font-size: 18px;
    height: 42px;
    justify-content: center;
    width: 42px;
}

.announcement-main {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.announcement-main strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.announcement-main small {
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.announcement-meta {
    align-items: flex-end;
    display: grid;
    gap: 4px;
    justify-items: end;
}

.announcement-meta small {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.announcement-chevron {
    color: var(--muted);
    transition: transform .15s ease;
}

.announcement-toggle:not(.collapsed) .announcement-chevron {
    transform: rotate(180deg);
}

.announcement-content {
    border-top: 1px solid var(--line);
    padding: 14px 18px 16px 68px;
}

.announcement-content p {
    color: var(--text);
    line-height: 1.5;
    margin: 0 0 12px;
}

.announcement-footer {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.announcement-footer span:not(.badge) {
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 8px;
}

.user-filter-grid {
    align-items: end;
    display: grid;
    gap: 12px;
}

.user-filter-grid.is-global-users {
    grid-template-columns: minmax(180px, 1fr) minmax(150px, .85fr) minmax(140px, .75fr) minmax(220px, 1.2fr) 42px;
}

.user-filter-grid.is-global-students {
    grid-template-columns: minmax(180px, 1fr) minmax(190px, 1fr) minmax(140px, .7fr) minmax(220px, 1.15fr) 42px;
}

.user-filter-grid.is-compact-users {
    grid-template-columns: minmax(170px, .75fr) minmax(240px, 1fr) 42px;
}

.user-filter-search {
    min-width: 0;
}

.user-filter-actions {
    display: flex;
    justify-content: flex-end;
}

.user-filter-actions .btn {
    height: 38px;
    min-width: 38px;
    padding-inline: 0;
    width: 38px;
}

.user-cell {
    align-items: center;
    display: flex;
    gap: 10px;
    min-width: 190px;
}

.user-table-avatar {
    border: 2px solid #dbeafe;
    border-radius: 50%;
    flex: 0 0 38px;
    height: 38px;
    object-fit: cover;
    width: 38px;
}

.user-table-avatar-empty {
    align-items: center;
    background: #e8f0ff;
    color: var(--accent);
    display: inline-flex;
    font-size: 13px;
    font-weight: 800;
    justify-content: center;
}

.user-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
    padding: 10px;
}

.user-tab {
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    display: inline-flex;
    gap: 8px;
    min-height: 42px;
    padding: 9px 14px;
    text-decoration: none;
    transition: background .16s ease, border-color .16s ease, color .16s ease;
}

.user-tab:hover {
    background: #f8fbff;
    border-color: #93c5fd;
    color: var(--accent);
}

.user-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 800;
}

.student-grade-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.schedule-toolbar {
    margin-bottom: 16px;
}

.schedule-assignment-form {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr));
}

.schedule-assignment-form .btn {
    min-height: 38px;
    white-space: normal;
}

.schedule-selected-block {
    align-items: center;
    background: #f8fbff;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    display: flex;
    font-size: 13px;
    font-weight: 700;
    min-height: 38px;
    padding: 6px 10px;
}

.schedule-dashboard {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    margin-bottom: 16px;
}

.schedule-section-head {
    align-items: center;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.schedule-section-head h2,
.schedule-config-layout h2 {
    font-size: 18px;
    margin: 0;
}

.teacher-load {
    border: 1px solid var(--line);
    border-radius: 8px;
    margin-bottom: 10px;
    padding: 10px;
}

.teacher-load div:first-child {
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.teacher-load span,
.teacher-load small {
    color: var(--muted);
    font-size: 12px;
}

.teacher-load-bar {
    background: #e5e7eb;
    border-radius: 999px;
    height: 8px;
    margin: 8px 0 4px;
    overflow: hidden;
}

.teacher-load-bar span {
    background: #2563eb;
    display: block;
    height: 100%;
}

.teacher-load.is-warning .teacher-load-bar span {
    background: #f59e0b;
}

.teacher-load.is-danger .teacher-load-bar span {
    background: #dc2626;
}

.schedule-alert {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: 8px;
    display: grid;
    gap: 2px;
    margin-bottom: 8px;
    padding: 10px;
}

.schedule-alert span {
    color: #9a3412;
    font-size: 13px;
}

.schedule-actions {
    align-items: end;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    margin-bottom: 16px;
}

.schedule-actions > form,
.schedule-actions .schedule-report-links {
    min-width: 0;
}

.schedule-report-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.schedule-grid-wrap {
    margin-bottom: 16px;
    overflow: auto;
}

.weekly-schedule-grid {
    display: grid;
    min-width: 980px;
}

.schedule-corner,
.schedule-day-head,
.schedule-time,
.schedule-cell {
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
}

.schedule-corner,
.schedule-day-head {
    background: #0f172a;
    color: #fff;
    font-weight: 800;
    padding: 12px;
    position: sticky;
    top: 0;
    z-index: 2;
}

.schedule-corner,
.schedule-time {
    left: 0;
    position: sticky;
    z-index: 3;
}

.schedule-time {
    background: #f8fafc;
    display: grid;
    gap: 2px;
    min-height: 116px;
    padding: 12px;
}

.schedule-time span {
    color: var(--muted);
    font-size: 12px;
}

.schedule-cell {
    background: #fff;
    min-height: 116px;
    padding: 8px;
    position: relative;
}

.schedule-cell.is-selected,
.schedule-cell.is-drag-over {
    outline: 3px solid #93c5fd;
    outline-offset: -3px;
}

.schedule-cell.is-recreo,
.schedule-cell.is-colacion {
    background: #f1f5f9;
}

.schedule-break {
    align-items: center;
    color: var(--muted);
    display: flex;
    font-weight: 800;
    gap: 8px;
    height: 100%;
    justify-content: center;
}

.schedule-add-cell {
    align-items: center;
    background: #eff6ff;
    border: 1px dashed #93c5fd;
    border-radius: 8px;
    color: #1d4ed8;
    display: flex;
    height: 28px;
    justify-content: center;
    margin-bottom: 8px;
    width: 100%;
}

.schedule-card {
    background: #fff;
    border: 1px solid #bfdbfe;
    border-left: 4px solid #2563eb;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, .08);
    cursor: grab;
    display: grid;
    gap: 3px;
    margin-bottom: 8px;
    padding: 9px;
}

.schedule-card.is-dragging {
    opacity: .55;
}

.schedule-card span,
.schedule-card small {
    color: var(--muted);
    font-size: 12px;
}

.schedule-card form {
    justify-self: end;
}

.schedule-hours-input {
    max-width: 110px;
}

.schedule-requirements-actions {
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: flex-start;
    margin-top: 14px;
    padding-top: 16px;
}

.schedule-requirements-actions .btn {
    white-space: normal;
}

.schedule-config-layout {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
    margin-bottom: 16px;
}

.schedule-days-checks,
.schedule-room-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.schedule-days-checks label,
.schedule-room-list span {
    background: #e0f2fe;
    border: 1px solid #38bdf8;
    border-radius: 999px;
    color: #075985;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 700;
    padding: 8px 12px;
}

.schedule-room-form {
    align-items: center;
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 120px), 1fr));
    margin-top: 8px;
}

.schedule-room-form .btn {
    min-height: 38px;
    white-space: normal;
}

.schedule-room-list {
    margin-top: 12px;
}

@media (max-width: 991px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: 280px;
        transform: translateX(-100%);
        transition: transform .2s ease;
        z-index: 20;
        opacity: 1;
        pointer-events: auto;
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    body.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
        opacity: 1;
        pointer-events: auto;
    }

    body.sidebar-open .sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, .45);
        z-index: 15;
    }

    .content {
        padding: 18px;
    }

    .login-card {
        grid-template-columns: 1fr;
    }

    .login-hero,
    .login-form {
        padding: 34px;
    }

    .task-board {
        grid-template-columns: 1fr;
    }

    .evaluation-timeline {
        grid-template-columns: 1fr;
    }

    .profile-layout,
    .profile-security {
        grid-column: auto;
        grid-template-columns: 1fr;
    }

    .admin-dashboard-grid,
    .admin-dashboard-bottom,
    .student-dashboard-grid,
    .student-dashboard-lists {
        grid-template-columns: 1fr;
    }

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

    .announcement-filter-search,
    .announcement-filter-actions {
        grid-column: 1 / -1;
    }

    .user-filter-grid.is-global-users,
    .user-filter-grid.is-global-students,
    .user-filter-grid.is-compact-users {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .user-filter-search,
    .user-filter-actions {
        grid-column: 1 / -1;
    }

    .schedule-assignment-form,
    .schedule-dashboard,
    .schedule-config-layout,
    .schedule-room-form {
        grid-template-columns: 1fr;
    }
}

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

    .span-2 {
        grid-column: span 1;
    }

    .page-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .material-filter-bar {
        grid-template-columns: 1fr;
    }

    .material-filter-actions {
        justify-content: flex-end;
    }

    .task-filter-bar {
        grid-template-columns: 1fr;
    }

    .task-filter-actions {
        justify-content: flex-end;
    }

    .evaluation-filter-bar {
        grid-template-columns: 1fr;
    }

    .evaluation-filter-actions {
        justify-content: flex-end;
    }

    .profile-hero {
        justify-items: center;
        grid-template-columns: 1fr;
        text-align: center;
    }

    .profile-quick-data {
        justify-content: center;
    }

    .student-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-kpi-grid {
        grid-template-columns: 1fr 1fr;
    }

    .admin-chart-body,
    .admin-chart-body canvas {
        height: 230px !important;
        max-height: 230px;
    }

    .announcement-filter-bar {
        grid-template-columns: 1fr;
    }

    .announcement-toggle {
        align-items: start;
        grid-template-columns: auto minmax(0, 1fr) auto;
    }

    .announcement-meta {
        grid-column: 2 / -1;
        justify-items: start;
    }

    .announcement-content {
        padding-left: 16px;
    }

    .user-filter-grid.is-global-users,
    .user-filter-grid.is-global-students,
    .user-filter-grid.is-compact-users {
        grid-template-columns: 1fr;
    }
}