/**
 * calendar-grid.css - Google Calendar Web Month Grid & Full-Capsule Rounded Pills
 */
.main-viewport {
    flex: 1;
    min-width: 0;
    min-height: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--bg-app);
    overflow: hidden;
}

.view-pane {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

#calendarViewPane {
    overflow: hidden;
}

/* =========================================================================
   MONTH GRID HEADER & 7-COLUMN CELLS
   ========================================================================= */
.cal-dow-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
}

.cal-dow-cell {
    text-align: center;
    padding: 0.42rem 0.25rem;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    border-right: 1px solid var(--border-subtle);
}

[data-theme="dark"] .cal-dow-cell {
    color: #cbd5e1;
}

[data-theme="light"] .cal-dow-cell {
    color: #475569;
}

.cal-dow-cell:last-child {
    border-right: none;
}

.cal-month-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    min-height: 0;
}

.cal-month-grid.rows-5 {
    grid-template-rows: repeat(5, minmax(0, 1fr));
}

.cal-month-grid.rows-6 {
    grid-template-rows: repeat(6, minmax(0, 1fr));
}

.cal-day-cell {
    border-right: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.22rem 0.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    min-height: 0;
    overflow: hidden;
    background: var(--bg-surface);
    transition: background 0.14s ease;
}

.cal-day-cell:nth-child(7n) {
    border-right: none;
}

.cal-day-cell:hover {
    background: var(--bg-surface);
}

.cal-day-cell.is-outside-month {
    background: var(--bg-app);
    opacity: 0.55;
}

.cal-day-cell.is-today-cell {
    background: rgba(59, 130, 246, 0.05);
    box-shadow: inset 0 0 0 1.5px rgba(59, 130, 246, 0.4);
}

.cal-day-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.04rem 0.12rem;
    line-height: 1;
}

.cal-day-num {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    border-radius: var(--pill-radius);
    letter-spacing: -0.01em;
}

.cal-day-cell.is-outside-month .cal-day-num {
    color: var(--text-muted);
    font-weight: 500;
}

.cal-day-num.today-circle {
    background: var(--accent-primary);
    color: #ffffff;
    font-weight: 800;
    padding: 0 0.45rem;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.45);
}

.today-tag {
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.14);
    padding: 0.08rem 0.35rem;
    border-radius: var(--pill-radius);
}

/* =========================================================================
   ROUNDED CAPSULE PILLS INSIDE CALENDAR CELLS
   ========================================================================= */
.cal-day-pills {
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    overflow: hidden;
    padding-right: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cal-day-pills::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

.cal-event-pill {
    width: 100%;
    border-radius: var(--pill-radius);
    padding: 0.18rem 0.48rem;
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1.25;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    text-align: left;
    border: 1px solid transparent;
    transition: transform 0.14s ease, box-shadow 0.14s ease;
    min-width: 0;
    box-sizing: border-box;
}

.cal-event-pill:hover {
    transform: translateY(-0.5px);
}

.cal-event-pill.is-popover-active,
.cal-event-pill.is-pinned-pill {
    font-weight: 700;
    box-shadow: none;
    outline: none;
}

.cal-event-pill.is-popover-active.pill-ug-teaching,
.cal-event-pill.is-pinned-pill.pill-ug-teaching {
    background: #059669;
    border-color: #10b981;
    color: #ffffff;
}

.cal-event-pill.is-popover-active.pill-pg-academic,
.cal-event-pill.is-pinned-pill.pill-pg-academic {
    background: #2563eb;
    border-color: #3b82f6;
    color: #ffffff;
}

.cal-event-pill.is-popover-active.pill-celebration,
.cal-event-pill.is-pinned-pill.pill-celebration {
    background: #d97706;
    border-color: #f59e0b;
    color: #ffffff;
}

.cal-event-pill.is-popover-active.pill-anniversary,
.cal-event-pill.is-pinned-pill.pill-anniversary {
    background: #db2777;
    border-color: #ec4899;
    color: #ffffff;
}

.cal-event-pill.is-popover-active .pill-dot,
.cal-event-pill.is-pinned-pill .pill-dot {
    background: #ffffff;
}

.cal-event-pill.is-past-pill {
    opacity: 0.78;
}

.pill-dot {
    width: 7px;
    height: 7px;
    min-width: 7px;
    border-radius: 50%;
}

.pill-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
    font-size: 0.76rem;
    letter-spacing: -0.005em;
}

.pill-time {
    font-size: 0.74rem;
    font-weight: 800;
    opacity: 0.92;
    flex-shrink: 0;
}

.pill-actor-chip {
    font-size: 0.64rem;
    font-weight: 700;
    padding: 0.05rem 0.38rem;
    border-radius: var(--pill-radius);
    background: rgba(0, 0, 0, 0.18);
    flex-shrink: 0;
}

[data-theme="light"] .pill-actor-chip {
    background: rgba(15, 23, 42, 0.08);
}

/* Layer Color Variants (Shared by Calendar & Snake Timeline Pills) */
.pill-pg-academic {
    background: var(--pg-bg);
    border-color: var(--pg-border);
    color: var(--pg-text);
}
.pill-pg-academic .pill-dot {
    background: var(--pg-dot);
}

.pill-ug-teaching {
    background: var(--ug-bg);
    border-color: var(--ug-border);
    color: var(--ug-text);
}
.pill-ug-teaching .pill-dot {
    background: var(--ug-dot);
}

.pill-dept-notice {
    background: var(--dept-bg);
    border-color: var(--dept-border);
    color: var(--dept-text);
}
.pill-dept-notice .pill-dot {
    background: var(--dept-dot);
}

/* Birthday - Soft, Non-Glare Light Yellow */
.pill-birthday,
.pill-celebration:not(.pill-anniversary) {
    background: var(--cel-bg);
    border-color: var(--cel-border);
    color: var(--cel-text);
    font-weight: 600;
}

/* Anniversary - Soft, Non-Glare Light Pink */
.pill-anniversary {
    background: var(--anniv-bg);
    border-color: var(--anniv-border);
    color: var(--anniv-text);
    font-weight: 600;
}

/* Static celebration pills (no pop-up card) */
.cal-event-pill.is-static-celebration {
    cursor: default;
    user-select: none;
}

.cal-event-pill.is-static-celebration:hover {
    transform: none;
    box-shadow: none;
    filter: none;
}