/* ========================================
   Term calendar (university/index.html)
   Used with js/term-calendar.js
   ======================================== */

/* ── Collapsible "Calendar" section ── */

.calendar-section > summary {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin: 2rem 0 1rem 0;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.calendar-section > summary::-webkit-details-marker {
    display: none;
}

.calendar-section > summary::marker {
    content: none;
}

.calendar-section > summary h2 {
    margin: 0;
}

.calendar-section > summary h2::before {
    content: '▸';
    display: inline-block;
    width: 1em;
    margin-right: 0.4em;
    text-align: center;
    transition: transform 0.2s ease;
}

.calendar-section[open] > summary h2::before {
    transform: rotate(90deg);
}

.calendar-toggle {
    font-size: 0.85rem;
    font-weight: 700;
    color: #2563eb;
}

.calendar-toggle::after {
    content: 'Show meeting dates';
}

.calendar-section[open] .calendar-toggle::after {
    content: 'Hide';
}

.calendar-section > summary:hover .calendar-toggle {
    text-decoration: underline;
}

.calendar-section > summary:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 4px;
    border-radius: 2px;
}

.term-calendar {
    margin-bottom: 2rem;
}

.calendar-intro {
    margin-bottom: 1rem;
}

.tcal-error,
.tcal-empty {
    color: #666;
    font-size: 0.9rem;
}

/* Shared card look (matches tables and info boxes) */
.tcal-month,
.tcal-day,
.tcal-classes {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Month grid + selected day, side by side */
.tcal-top {
    display: grid;
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: stretch;
}

/* ── Month ── */

.tcal-month {
    padding: 0.75rem;
}

.tcal-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.tcal-title {
    font-weight: 700;
}

.tcal-nav-btn {
    font-family: inherit;
    font-size: 1rem;
    width: 2.25rem;
    height: 2.25rem;
    background: none;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.tcal-nav-btn:hover:not(:disabled) {
    background-color: #f5f5f5;
    border-color: #999;
}

.tcal-nav-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.tcal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.tcal-wd {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #888;
    padding: 0.2rem 0;
}

.tcal-cell {
    font-family: inherit;
    font-size: 0.8rem;
    color: #333;
    height: 2.6rem;
    padding: 0.3rem 0 0 0;
    border: none;
    border-radius: 4px;
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    line-height: 1.2;
}

.tcal-past .tcal-num {
    color: #aaa;
}

.tcal-today .tcal-num {
    color: #2563eb;
    font-weight: 700;
    text-decoration: underline;
}

.tcal-has {
    cursor: pointer;
    background-color: #f2f5fa;
    transition: background-color 0.12s ease;
}

.tcal-has:hover {
    background-color: #e4ebf7;
}

.tcal-has:focus-visible,
.tcal-nav-btn:focus-visible,
.tcal-btn:focus-visible,
.tcal-link-btn:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 1px;
}

.tcal-selected,
.tcal-selected:hover {
    background-color: #eef2ff;
    box-shadow: inset 0 0 0 2px #2563eb;
}

.tcal-dots {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2px;
    max-width: 100%;
}

.tcal-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

/* ── Selected day ── */

.tcal-day {
    padding: 1rem 1.25rem;
}

.tcal-day .tcal-day-title {
    font-size: 1rem;
    margin: 0 0 0.75rem 0;
}

.tcal-meeting {
    border-left: 4px solid #2563eb;
    padding: 0.1rem 0 0.1rem 0.75rem;
    margin-bottom: 1rem;
}

.tcal-meeting:last-child {
    margin-bottom: 0;
}

.tcal-meeting-name {
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.35;
    margin-bottom: 0.15rem;
}

.tcal-meeting-meta,
.tcal-meeting-note {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.45;
}

.tcal-meeting-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.6rem;
    margin-top: 0.45rem;
}

/* "+ Add this meeting" menu */
.tcal-menu {
    position: relative;
}

.tcal-menu > summary {
    list-style: none;
    display: inline-block;
}

.tcal-menu > summary::-webkit-details-marker {
    display: none;
}

.tcal-menu > summary::marker {
    content: none;
}

.tcal-menu > summary::after {
    content: ' ▾';
    font-size: 0.7rem;
}

.tcal-menu[open] > summary {
    background-color: #eee;
    border-color: #999;
}

.tcal-menu-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 20;
    min-width: 14rem;
    padding: 0.3rem 0;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.tcal-menu-item {
    display: block;
    width: 100%;
    padding: 0.4rem 0.8rem;
    font-family: inherit;
    font-size: 0.8rem;
    line-height: 1.4;
    text-align: left;
    color: #333;
    background: none;
    border: none;
    cursor: pointer;
}

.tcal-menu-item:hover,
.tcal-menu-item:focus-visible {
    background-color: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    text-decoration: none;
    outline: none;
}

.tcal-register {
    font-size: 0.8rem;
    font-weight: 700;
}

/* ── Buttons ── */

.tcal-btn {
    font-family: inherit;
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
    color: #333;
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.tcal-btn:hover:not(:disabled) {
    background-color: #eee;
    border-color: #999;
}

.tcal-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.tcal-btn-primary {
    font-size: 0.85rem;
    padding: 0.5rem 0.9rem;
    color: #fff;
    background-color: #2563eb;
    border-color: #2563eb;
}

.tcal-btn-primary:hover:not(:disabled) {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}

.tcal-btn-sm {
    padding: 0.2rem 0.5rem;
    flex-shrink: 0;
}

.tcal-link-btn {
    font-family: inherit;
    font-size: 0.8rem;
    color: #2563eb;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.tcal-link-btn:hover {
    text-decoration: underline;
}

/* ── Class list ── */

.tcal-classes {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
}

.tcal-classes-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.tcal-classes-title {
    font-weight: 700;
}

.tcal-classes-tools {
    font-size: 0.8rem;
    color: #999;
}

.tcal-classes-head {
    margin-bottom: 0.6rem;
}

/* Two columns of classes on wider screens to keep the list short */
.tcal-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.75rem;
    margin-bottom: 0.25rem;
}

.tcal-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.45rem 0;
    border-top: 1px solid #eee;
}

.tcal-row-label {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.tcal-row-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-top: 0.2rem;
    flex-shrink: 0;
    accent-color: #2563eb;
    cursor: pointer;
}

.tcal-swatch {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.4rem;
}

.tcal-row-text {
    min-width: 0;
}

.tcal-row-name {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.35;
}

.tcal-row-meta {
    display: block;
    font-size: 0.75rem;
    color: #666;
    line-height: 1.4;
}

.tcal-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    border-top: 1px solid #eee;
    padding-top: 0.9rem;
}

.tcal-help {
    flex: 1;
    min-width: 14rem;
    font-size: 0.75rem;
    color: #666;
    line-height: 1.45;
}

/* ── Phones ── */

@media (max-width: 768px) {
    .tcal-top {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tcal-cell {
        height: 2.9rem;
    }

    .tcal-list {
        grid-template-columns: 1fr;
    }

    .tcal-classes {
        margin-top: 1rem;
        padding: 0.9rem 1rem;
    }

    .tcal-btn-primary {
        width: 100%;
    }
}