/**
 * popover.css - Redesigned Floating Event Detail Popover, Soft Grid Pills, Celebration Variant & Date Picker
 */
.event-popover {
    position: fixed;
    width: 364px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    box-shadow: var(--shadow-popover);
    padding: 0.9rem 1rem;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transform: translateY(4px) scale(0.98);
    transition: opacity 0.15s cubic-bezier(0.2, 0, 0, 1),
                transform 0.15s cubic-bezier(0.2, 0, 0, 1),
                border-color 0.15s ease,
                box-shadow 0.15s ease;
}

.event-popover[data-side="right"] {
    transform: translateX(-5px) scale(0.98);
}

.event-popover[data-side="left"] {
    transform: translateX(5px) scale(0.98);
}

.event-popover.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translate(0, 0) scale(1);
}

.event-popover.is-pinned {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-popover), 0 0 0 1.5px var(--accent-glow);
}

/* =========================================================================
   1. TOP HEADER (Category Pill + Day Nav + Neutral Countdown + Close)
   ========================================================================= */
.popover-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.45rem;
    margin-bottom: 0.5rem;
}

.popover-layer-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    padding: 0.18rem 0.58rem;
    border-radius: var(--pill-radius);
    border: 1px solid transparent;
}

.popover-layer-tag .tag-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.popover-header-right {
    display: flex;
    align-items: center;
    gap: 0.32rem;
}

/* Neutral Countdown Badge (Only colored on Today / Tomorrow) */
.popover-rel-pill {
    font-size: 0.66rem;
    font-weight: 700;
    padding: 0.15rem 0.52rem;
    border-radius: var(--pill-radius);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    white-space: nowrap;
}

.popover-rel-pill.rel-today {
    background: rgba(56, 189, 248, 0.15);
    color: #0284c7;
    border-color: rgba(56, 189, 248, 0.42);
    font-weight: 800;
}

[data-theme="dark"] .popover-rel-pill.rel-today {
    color: #38bdf8;
}

.popover-rel-pill.rel-tomorrow {
    background: rgba(245, 158, 11, 0.14);
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.4);
    font-weight: 800;
}

[data-theme="dark"] .popover-rel-pill.rel-tomorrow {
    color: #fbbf24;
}

.popover-close-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.12s ease, color 0.12s ease;
}

.popover-close-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* =========================================================================
   2. SESSION HEADING & ICON DATE-TIME STRIP
   ========================================================================= */
.popover-session-heading {
    font-size: 0.94rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 0.42rem;
}

.popover-datetime-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.34rem 0.55rem;
    border-radius: 9px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.55rem;
}

.event-popover.is-celebration-card .popover-datetime-strip {
    margin-bottom: 0;
}

.popover-datetime-strip .strip-item {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
}

.popover-datetime-strip .strip-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

.popover-datetime-strip .strip-sep {
    color: var(--text-muted);
    opacity: 0.55;
}

.popover-datetime-strip .strip-duration {
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.67rem;
}

/* =========================================================================
   3. EDITORIAL TOPIC / COMPETENCY CALLOUT BOX
   ========================================================================= */
.popover-topic-callout {
    padding: 0.5rem 0.65rem;
    border-radius: 6px 10px 10px 6px;
    margin-bottom: 0.6rem;
    border-left: 3px solid var(--pg-dot);
    background: rgba(59, 130, 246, 0.055);
}

.popover-topic-callout.is-ug-accent {
    border-left-color: var(--ug-dot);
    background: rgba(16, 185, 129, 0.055);
}

.topic-callout-label {
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--pg-text);
    margin-bottom: 0.18rem;
}

.popover-topic-callout.is-ug-accent .topic-callout-label {
    color: var(--ug-text);
}

.topic-callout-text {
    font-size: 0.81rem;
    font-weight: 500;
    line-height: 1.44;
    color: var(--text-primary);
}

/* =========================================================================
   4. SOFT 2-COLUMN GRID PILLS FOR PEOPLE & BATCH METADATA
   ========================================================================= */
.popover-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.38rem;
    margin-bottom: 0.65rem;
}

.popover-meta-pill {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 0.36rem 0.56rem;
    display: flex;
    flex-direction: column;
    gap: 0.08rem;
    min-width: 0;
}

.popover-meta-pill.is-full-span {
    grid-column: span 2;
}

.meta-pill-label {
    font-size: 0.59rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.meta-pill-value {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =========================================================================
   5. DEDICATED CELEBRATION CARD VARIANT (BIRTHDAYS & ANNIVERSARIES)
   ========================================================================= */
.popover-celebration-hero {
    display: flex;
    align-items: center;
    gap: 0.72rem;
    padding: 0.65rem 0.72rem;
    border-radius: 12px;
    margin-bottom: 0.55rem;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.11), rgba(245, 158, 11, 0.03));
    border: 1px solid rgba(245, 158, 11, 0.28);
}

.event-popover.is-anniversary-card .popover-celebration-hero {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.11), rgba(236, 72, 153, 0.03));
    border-color: rgba(236, 72, 153, 0.28);
}

.cel-hero-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    background: rgba(245, 158, 11, 0.16);
    border: 1px solid rgba(245, 158, 11, 0.36);
}

.cel-hero-avatar.is-anniv {
    background: rgba(236, 72, 153, 0.16);
    border-color: rgba(236, 72, 153, 0.36);
}

.cel-hero-info {
    min-width: 0;
    flex: 1;
}

.cel-person-name {
    font-size: 0.96rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: 0.18rem;
}

.cel-person-sub {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.cel-role-badge {
    font-size: 0.62rem;
    font-weight: 800;
    padding: 0.06rem 0.42rem;
    border-radius: var(--pill-radius);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
}

.cel-dot-sep {
    color: var(--text-muted);
}

/* =========================================================================
   6. REFINED BOTTOM ACTION BAR (Tinted Launch + 1-Click Copy)
   ========================================================================= */
.popover-footer {
    display: flex;
    align-items: center;
    gap: 0.42rem;
}

.popover-launch-btn {
    flex: 1;
    width: 100%;
    height: 34px;
    border-radius: 10px;
    padding: 0 0.78rem;
    font-size: 0.76rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.14s ease, box-shadow 0.14s ease;
}

.popover-launch-btn .launch-arrow {
    font-size: 0.82rem;
    line-height: 1;
    transition: transform 0.14s ease;
}

.popover-launch-btn:hover .launch-arrow {
    transform: translate(1px, -1px);
}

.popover-launch-btn.launch-resident {
    background: var(--pg-bg);
    border: 1px solid var(--pg-border);
    color: var(--pg-text);
}

.popover-launch-btn.launch-resident:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
    transform: translateY(-1px);
}

.popover-launch-btn.launch-attendance {
    background: var(--ug-bg);
    border: 1px solid var(--ug-border);
    color: var(--ug-text);
}

.popover-launch-btn.launch-attendance:hover {
    background: #059669;
    border-color: #059669;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.28);
    transform: translateY(-1px);
}

.popover-copy-btn {
    height: 34px;
    border-radius: 10px;
    padding: 0 0.68rem;
    font-size: 0.73rem;
    font-weight: 700;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    flex-shrink: 0;
    transition: background 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}

.popover-copy-btn.is-full {
    width: 100%;
}

.popover-copy-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-default);
}

.popover-copy-btn.is-copied {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.45);
    color: #10b981;
}

/* Toast Notification */
.app-toast {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--pill-radius);
    padding: 0.55rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 700;
    box-shadow: var(--shadow-popover);
    z-index: 300;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: all 0.2s ease;
}

.app-toast.is-shown {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================================
   Google Calendar Date Picker Popover (.gcal-popover)
   ========================================================================= */
.gcal-popover {
    position: fixed;
    z-index: 9999;
    width: 17.75rem;
    padding: 0.9rem 0.95rem 0.95rem;
    border-radius: 1.25rem;
    border: 1px solid var(--border-default);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-popover);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px) scale(0.96);
    transform-origin: top left;
    transition: opacity 0.16s cubic-bezier(0.2, 0, 0, 1),
                transform 0.18s cubic-bezier(0.2, 0, 0, 1),
                visibility 0s linear 0.18s;
    user-select: none;
}

[data-theme="light"] .gcal-popover {
    background-color: rgba(255, 255, 255, 0.98);
    border-color: rgba(23, 64, 129, 0.14);
    box-shadow: 0 18px 42px -8px rgba(17, 33, 63, 0.16), 0 4px 12px rgba(17, 33, 63, 0.06);
}

[data-theme="dark"] .gcal-popover {
    background-color: rgba(17, 24, 39, 0.97);
    border-color: var(--border-default);
    box-shadow: 0 20px 46px -8px rgba(0, 0, 0, 0.65), 0 4px 14px rgba(0, 0, 0, 0.4);
}

.gcal-popover.gcal-above {
    transform-origin: bottom left;
    transform: translateY(6px) scale(0.96);
}

.gcal-popover.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    transition: opacity 0.16s cubic-bezier(0.2, 0, 0, 1),
                transform 0.18s cubic-bezier(0.2, 0, 0, 1),
                visibility 0s linear 0s;
}

.gcal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.45rem;
    padding: 0 0.1rem;
}

.gcal-title-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem 0.55rem;
    border: 0;
    border-radius: 0.5rem;
    background: transparent;
    color: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.gcal-title-btn:hover {
    background-color: var(--bg-hover);
}

.gcal-title-caret {
    width: 1rem;
    height: 1rem;
    opacity: 0.7;
    transition: transform 0.2s cubic-bezier(0.2, 0, 0, 1);
}

.gcal-title-btn[aria-expanded="true"] .gcal-title-caret {
    transform: rotate(180deg);
}

.gcal-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.gcal-nav-btn {
    width: 2rem;
    height: 2rem;
    display: inline-grid;
    place-items: center;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.12s cubic-bezier(0.2, 0, 0, 1);
}

.gcal-nav-btn svg {
    width: 1.05rem;
    height: 1.05rem;
}

.gcal-nav-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.gcal-nav-btn:active {
    transform: scale(0.9);
}

.gcal-days-view.hidden,
.gcal-months-view.hidden,
.gcal-days-view[hidden],
.gcal-months-view[hidden] {
    display: none !important;
}

.gcal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    margin-bottom: 0.2rem;
}

.gcal-weekday {
    height: 1.95rem;
    display: grid;
    place-items: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    opacity: 0.85;
}

.gcal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    row-gap: 0.15rem;
    column-gap: 0.1rem;
}

.gcal-day {
    width: 2.15rem;
    height: 2.15rem;
    margin: 0 auto;
    padding: 0;
    border: 1.5px solid transparent;
    border-radius: 999px;
    background: transparent;
    color: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background-color 0.14s ease,
                color 0.14s ease,
                border-color 0.14s ease,
                transform 0.12s cubic-bezier(0.2, 0, 0, 1),
                box-shadow 0.14s ease;
}

.gcal-day.is-outside {
    opacity: 0.36;
    font-weight: 500;
}

.gcal-day:hover:not(.is-selected) {
    background-color: var(--bg-hover);
    opacity: 1;
}

.gcal-day:active {
    transform: scale(0.92);
}

.gcal-day.is-today:not(.is-selected) {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    font-weight: 700;
    background-color: var(--accent-glow);
    opacity: 1;
}

.gcal-day.is-selected {
    background-color: var(--accent-primary);
    color: #ffffff;
    font-weight: 700;
    opacity: 1;
    box-shadow: 0 3px 10px rgba(102, 163, 255, 0.32);
}

.gcal-months-view {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
    padding: 0.2rem 0.1rem;
}

.gcal-month-cell {
    height: 2.45rem;
    border: 1.5px solid transparent;
    border-radius: 999px;
    background: transparent;
    color: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.14s ease, color 0.14s ease, border-color 0.14s ease, transform 0.12s cubic-bezier(0.2, 0, 0, 1);
}

.gcal-month-cell:hover:not(.is-selected) {
    background-color: var(--bg-hover);
}

.gcal-month-cell:active {
    transform: scale(0.95);
}

.gcal-month-cell.is-current:not(.is-selected) {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    font-weight: 700;
}

.gcal-month-cell.is-selected {
    background-color: var(--accent-primary);
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 3px 10px rgba(102, 163, 255, 0.3);
}