.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-radius: 0.9rem;
    padding: 0.8rem 0.95rem;
    font-weight: 700;
    color: #475569;
}

.nav-link:hover,
.nav-link.active {
    background: #0f766e;
    color: #fff;
}

.mobile-tab {
    border-radius: 0.75rem;
    padding: 0.45rem 0.8rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: #475569;
}

.mobile-tab.active {
    background: #0f766e;
    color: #fff;
}

.card {
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    background: #fff;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.section-title {
    font-size: 1rem;
    font-weight: 800;
    color: #0f172a;
}

.section-copy {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #64748b;
}

.pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 800;
}

.field {
    display: grid;
    gap: 0.4rem;
}

.field > span {
    font-size: 0.8rem;
    font-weight: 800;
    color: #334155;
}

.field input,
.field select,
select,
input[type='file'] {
    min-height: 2.65rem;
    width: 100%;
    border-radius: 0.75rem;
    border: 1px solid #cbd5e1;
    background: #fff;
    padding: 0.55rem 0.8rem;
    outline: none;
}

.field input:focus,
.field select:focus,
select:focus {
    border-color: #0f766e;
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.btn-primary {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.85rem;
    background: #0f766e;
    padding: 0.7rem 1rem;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 12px 24px rgba(15, 118, 110, 0.22);
}

.btn-primary:hover {
    background: #115e59;
}

.check-tile,
.radio-tile,
.subject-tile {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    border-radius: 0.85rem;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    padding: 0.75rem;
    font-weight: 700;
}

.subject-tile {
    align-items: flex-start;
}

.check-tile:has(input:checked),
.radio-tile:has(input:checked),
.subject-tile:has(input:checked) {
    border-color: #0f766e;
    background: #f0fdfa;
    color: #134e4a;
}

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

.time-grid th,
.time-grid td,
.data-table th,
.data-table td {
    border-bottom: 1px solid #e2e8f0;
    padding: 0.9rem;
    text-align: left;
    vertical-align: top;
}

.time-grid thead th,
.data-table thead th {
    background: #f8fafc;
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #475569;
}

.day-time-toggle {
    display: grid;
    justify-items: center;
    gap: 0.4rem;
}

.day-time-toggle input {
    height: 1rem;
    width: 1rem;
    accent-color: #0f766e;
}

.time-grid td,
.time-grid th:not(:first-child) {
    text-align: center;
}