:root {
    --gcal-bg: #f7f8fa;
    --gcal-card: #ffffff;
    --gcal-border: #e3e6ea;
    --gcal-text: #1c1f24;
    --gcal-muted: #6b7280;
    --gcal-accent: #1a73e8;
    --gcal-accent-soft: #e8f0fe;
    --gcal-weekend: #f3f4f6;
    --gcal-shadow: 0 10px 30px rgba(28, 31, 36, 0.08);
    --gcal-primary: #662d91;
}

.gcal-card {
    background: var(--gcal-card);
    border: 1px solid var(--gcal-border);
    border-radius: 18px;
    box-shadow: var(--gcal-shadow);
    padding: 18px 18px 22px;
    margin-top: 18px;
    overflow: hidden;
    background-image:
        radial-gradient(circle at top left, rgba(26, 115, 232, 0.06), transparent 45%),
        radial-gradient(circle at bottom right, rgba(16, 185, 129, 0.06), transparent 45%);
}

.gcal-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.gcal-left,
.gcal-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.gcal-filter {
    display: flex;
    align-items: center;
}

.gcal-select {
    border: 1px solid var(--gcal-border);
    background: #ffffff;
    color: var(--gcal-text);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    cursor: pointer;
}

.gcal-select:focus {
    outline: none;
    border-color: var(--gcal-accent);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.15);
}

.gcal-title {
    font-weight: 700;
    color: var(--gcal-text);
    font-size: 1.1rem;
    margin-left: 6px;
}

.gcal-btn {
    border: 1px solid var(--gcal-border);
    background: #ffffff;
    color: var(--gcal-text);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.gcal-btn:hover {
    border-color: var(--gcal-accent);
    color: var(--gcal-accent);
}

.gcal-btn-primary {
    background: var(--gcal-accent);
    color: #ffffff;
    border-color: var(--gcal-accent);
}

.gcal-view.is-active {
    background: var(--gcal-accent-soft);
    border-color: var(--gcal-accent);
    color: var(--gcal-accent);
    font-weight: 600;
}

.gcal-grid {
    background: var(--gcal-bg);
    border-radius: 16px;
    padding: 12px;
}

.gcal-month {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 8px;
}

.gcal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 8px;
    color: var(--gcal-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.gcal-cell {
    background: #ffffff;
    border: 1px solid var(--gcal-border);
    border-radius: 12px;
    min-height: 90px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
}

.gcal-cell.is-outside {
    opacity: 0.45;
}

.gcal-cell.is-today {
    border-color: var(--gcal-accent);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.15);
}

.gcal-cell .gcal-day {
    font-weight: 700;
    color: var(--gcal-text);
    font-size: 0.95rem;
}

.gcal-event {
    background: var(--gcal-accent-soft);
    color: var(--gcal-accent);
    border-radius: 8px;
    padding: 4px 6px;
    font-size: 0.8rem;
    font-weight: 600;
    border: none;
    text-align: left;
    cursor: pointer;
}

.gcal-event+.gcal-event {
    margin-top: 4px;
}

.gcal-event-count {
    font-size: 0.75rem;
    color: var(--gcal-muted);
    font-weight: 600;
}

.gcal-event-dot {
    display: none;
    width: 11px;
    height: 11px;
    border-radius: 999px;
    background: var(--gcal-accent);
    border: 2px solid rgba(15, 23, 42, 0.45);
    padding: 0;
    cursor: pointer;
    position: relative;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.18), 0 6px 14px rgba(15, 23, 42, 0.25);
    filter: saturate(1.4) brightness(0.9);
}

.gcal-event-dot .gcal-mini-tooltip {
    bottom: calc(100% + 2px);
}

.gcal-year {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.gcal-mini {
    background: #ffffff;
    border: 1px solid var(--gcal-border);
    border-radius: 14px;
    padding: 12px;
}

.gcal-mini-title {
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gcal-text);
}

.gcal-mini-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 4px;
    font-size: 0.7rem;
    color: var(--gcal-muted);
}

.gcal-mini-day {
    text-align: center;
    padding: 4px 0;
    border-radius: 6px;
    position: relative;
}

.gcal-mini-day.is-today {
    background: var(--gcal-accent-soft);
    color: var(--gcal-accent);
    font-weight: 700;
}

.gcal-mini-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gcal-accent);
    display: block;
    margin: 3px auto 0;
    border: 2px solid rgba(15, 23, 42, 0.45);
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.18), 0 3px 8px rgba(15, 23, 42, 0.2);
    filter: saturate(1.4) brightness(0.9);
}

.gcal-mini-day.has-event {
    cursor: pointer;
}

.gcal-mini-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: #111827;
    color: #ffffff;
    padding: 6px 8px;
    border-radius: 8px;
    font-size: 0.65rem;
    line-height: 1.2;
    white-space: normal;
    max-width: 180px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.15s ease;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.15);
    z-index: 5;
}

.gcal-mini-day:hover .gcal-mini-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

.gcal-event-dot:hover,
.gcal-mini-day:hover .gcal-mini-dot {
    transform: scale(1.08);
}

.gcal-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 50;
}

.gcal-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.gcal-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
}

.gcal-modal-card {
    position: relative;
    background: #ffffff;
    border-radius: 16px;
    padding: 20px 22px;
    width: min(820px, 92vw);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.2);
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.gcal-modal-close {
    position: absolute;
    right: 30px;
    top: 15px;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #ffffff;
    z-index: 2;
}

.gcal-modal-header {
    background: var(--gcal-primary);
    color: #ffffff;
    border-radius: 12px;
    padding: 10px 12px;
    display: grid;
    gap: 4px;
}

.gcal-modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    padding-right: 36px;
}

.gcal-modal-date {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 0.9rem;
}

.gcal-modal-body {
    color: var(--gcal-text);
    line-height: 1.5;
}

.gcal-modal-list {
    display: grid;
    gap: 6px;
    font-size: 0.9rem;
}

.gcal-modal-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--gcal-border);
    padding-top: 6px;
}

.gcal-modal-item span:first-child {
    color: var(--gcal-muted);
    font-weight: 600;
}

.gcal-modal-item a {
    color: var(--gcal-accent);
    text-decoration: none;
    word-break: break-word;
}

.gcal-modal-files {
    display: grid;
    gap: 4px;
}

.high-contrast {
    --gcal-bg: #000000;
    --gcal-card: #000000;
    --gcal-border: #ffffff;
    --gcal-text: #ffffff;
    --gcal-muted: #ffffff;
    --gcal-accent: #ffffff;
    --gcal-accent-soft: #000000;
    --gcal-weekend: #000000;
    --gcal-shadow: none;
    --gcal-primary: #000000;
}

.high-contrast .gcal-card {
    background-image: none;
    box-shadow: none;
}

.high-contrast .gcal-select,
.high-contrast .gcal-btn,
.high-contrast .gcal-cell,
.high-contrast .gcal-mini,
.high-contrast .gcal-modal-card {
    background: var(--gcal-card);
    color: var(--gcal-text);
    border-color: var(--gcal-border);
}

.high-contrast .gcal-btn-primary {
    background: var(--gcal-accent);
    color: #000000;
    border-color: var(--gcal-border);
}

.high-contrast .gcal-view.is-active {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

.high-contrast .gcal-weekdays {
    color: #ffffff;
}

.high-contrast .gcal-cell.is-today {
    border-color: #ffffff;
    box-shadow: none;
    outline: 2px solid #ffffff;
}

.high-contrast .gcal-mini-day.is-today {
    background: #000000;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.high-contrast .gcal-event-count {
    color: #ffffff;
}

.high-contrast .gcal-event {
    background: #000000 !important;
    color: #ffffff !important;
    border: 1px solid var(--gcal-border);
}

.high-contrast .gcal-event-dot,
.high-contrast .gcal-mini-dot {
    background: #ffffff !important;
    border-color: #ffffff;
    box-shadow: none;
    filter: none;
}

.high-contrast .gcal-modal-header {
    background: #2b2b2b;
    border: 2px solid #ffffff;
}

.high-contrast .gcal-modal-card {
    background: #1f1f1f;
}

.high-contrast .gcal-modal-close {
    border: none !important;
}

.high-contrast .gcal-modal-backdrop {
    background: rgba(0, 0, 0, 0.8);
}

.high-contrast .gcal-mini-tooltip {
    background: #000000;
    border: 2px solid #ffffff;
}

@media (max-width: 640px) {

    .gcal-event,
    .gcal-event-count {
        display: none;
    }

    .gcal-event-dot {
        display: inline-block;
    }

    .gcal-cell {
        min-height: 70px;
    }
}