/**
 * DCA Live Calendar - Professional Frontend Styles
 * Premium design matching DCA Active
 */

/* CSS Variables - overridden by inline or settings */
:root {
    --dca-primary: #1a472a;
    --dca-primary-light: #2d6a3e;
    --dca-accent: #7ab547;
    --dca-accent-light: #8fc45e;
    --dca-closed: #c0392b;
    --dca-text: #1d2327;
    --dca-text-muted: #6b7280;
    --dca-bg-alt: #f8faf8;
    --dca-bg-alt2: #e8f4ea;
    --dca-border: #e5ebe7;
    --dca-shadow: rgba(26, 71, 42, 0.06);
    --dca-shadow-sm: rgba(0, 0, 0, 0.04);
}

.dca-calendar-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    color: var(--dca-text);
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 1px 3px var(--dca-shadow-sm), 0 24px 48px -12px var(--dca-shadow);
    overflow: hidden;
}

/* Header */
.dca-calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 0;
    padding: 1.25rem 0 1.5rem;
}

.dca-calendar-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dca-primary);
    letter-spacing: -0.03em;
    flex: 1;
    text-align: center;
}

.dca-calendar-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--dca-border);
    border-radius: 10px;
    background: #fff;
    color: var(--dca-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.25rem;
    line-height: 1;
    flex-shrink: 0;
}

.dca-calendar-nav:hover {
    background: var(--dca-primary);
    color: #fff;
    border-color: var(--dca-primary);
}

.dca-calendar-nav:focus {
    outline: 2px solid var(--dca-accent);
    outline-offset: 2px;
}

.dca-nav-arrow {
    display: block;
}

/* Grid */
.dca-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.dca-calendar-weekdays {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--dca-primary);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.dca-weekday {
    padding: 0.875rem 0.5rem;
    text-align: center;
}

.dca-calendar-days {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: #fff;
}

/* Day cells */
.dca-day {
    min-height: 110px;
    padding: 0.625rem;
    border-right: 1px solid var(--dca-border);
    border-bottom: 1px solid var(--dca-border);
    background: #fff;
    transition: background 0.15s ease;
}

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

.dca-day-blank {
    background: var(--dca-bg-alt);
    min-height: 90px;
}

.dca-day-cell {
    display: flex;
    flex-direction: column;
}

.dca-day-cell:hover {
    background: var(--dca-bg-alt);
}

.dca-day-today {
    background: var(--dca-bg-alt2);
    box-shadow: inset 0 0 0 2px var(--dca-accent);
}

.dca-day-alt-0,
.dca-day-alt-1 {
    background: #fff;
}

.dca-day-alt-1.dca-day-today {
    background: var(--dca-bg-alt2);
}

.dca-day-number {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dca-text-muted);
    margin-bottom: 0.5rem;
    flex-shrink: 0;
}

.dca-day-today .dca-day-number {
    color: var(--dca-primary);
    font-weight: 700;
}

.dca-day-events {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 0;
}

/* Events */
.dca-event {
    display: block;
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1.35;
    border-radius: 6px;
    border-left: 3px solid var(--dca-accent);
    background: var(--dca-bg-alt);
    color: var(--dca-text);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dca-event:hover {
    background: #fff;
    box-shadow: 0 2px 8px var(--dca-shadow-sm);
}

.dca-event-link:hover {
    color: var(--dca-primary);
}

.dca-event-popup {
    cursor: pointer;
}

.dca-event-closed {
    background: #fef2f2;
    border-left-color: var(--dca-closed);
    color: var(--dca-closed);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dca-event-label {
    display: block;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--dca-primary);
}

.dca-event-time {
    display: block;
    font-size: 0.7rem;
    color: var(--dca-text-muted);
    margin-top: 0.15rem;
}

/* ===== Color Legend ===== */
.dca-calendar-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.25rem;
    padding: 0.5rem 0 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--dca-text-muted);
}

.dca-legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dca-legend-swatch {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 3px;
    flex-shrink: 0;
}

.dca-legend-brothers {
    background: #4472C4;
}

.dca-legend-sisters {
    background: #E91E8C;
}

.dca-legend-label {
    white-space: nowrap;
}

/* ===== Gender-based Day Cell Colors ===== */
.dca-day-brothers {
    background: rgba(68, 114, 196, 0.15) !important;
}

.dca-day-sisters {
    background: rgba(233, 30, 140, 0.15) !important;
}

/* ===== Gender-based Event Colors ===== */
.dca-event-brothers {
    background: #4472C4;
    border-left-color: #2f5aa6;
    color: #fff;
}

.dca-event-brothers .dca-event-label {
    color: #fff;
}

.dca-event-brothers .dca-event-time {
    color: rgba(255, 255, 255, 0.85);
}

.dca-event-brothers:hover {
    background: #3a64b3;
    box-shadow: 0 2px 8px rgba(68, 114, 196, 0.3);
}

.dca-event-sisters {
    background: #E91E8C;
    border-left-color: #c4176f;
    color: #fff;
}

.dca-event-sisters .dca-event-label {
    color: #fff;
}

.dca-event-sisters .dca-event-time {
    color: rgba(255, 255, 255, 0.85);
}

.dca-event-sisters:hover {
    background: #d41a7e;
    box-shadow: 0 2px 8px rgba(233, 30, 140, 0.3);
}

/* ===== Closed Day - Full Cell Overlay ===== */
.dca-day-closed {
    background: #e74c3c !important;
    position: relative;
}

.dca-day-closed .dca-day-number {
    color: #fff;
    font-weight: 700;
}

.dca-day-closed .dca-event-closed {
    background: transparent;
    border-left: none;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    padding: 1rem 0.5rem;
}

.dca-day-closed:hover {
    background: #c0392b !important;
}

/* Loading */
.dca-calendar-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dca-primary);
}

.dca-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--dca-border);
    border-top-color: var(--dca-primary);
    border-radius: 50%;
    animation: dca-spin 0.8s linear infinite;
}

@keyframes dca-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Popup */
.dca-event-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.dca-event-popup-content {
    position: relative;
    max-width: 420px;
    width: 100%;
    padding: 1.5rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.dca-event-popup-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    background: none;
    font-size: 1.5rem;
    color: var(--dca-text-muted);
    cursor: pointer;
    line-height: 1;
}

.dca-event-popup-close:hover {
    color: var(--dca-text);
}

.dca-event-popup-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    color: var(--dca-primary);
}

.dca-event-popup-time {
    font-size: 0.9rem;
    color: var(--dca-text-muted);
    margin-bottom: 0.75rem;
}

.dca-event-popup-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--dca-text);
}

/* Mobile */
@media (max-width: 768px) {
    .dca-calendar-wrap {
        padding: 1.25rem;
        border-radius: 12px;
    }

    .dca-calendar-header {
        padding: 0.75rem 0 1.25rem;
        gap: 1rem;
    }

    .dca-calendar-title {
        font-size: 1.125rem;
        font-weight: 600;
    }

    .dca-calendar-nav {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }

    .dca-day {
        min-height: 95px;
        padding: 0.5rem;
    }

    .dca-day-blank {
        min-height: 75px;
    }

    .dca-weekday {
        padding: 0.625rem 0.25rem;
        font-size: 0.6rem;
        letter-spacing: 0.05em;
    }

    .dca-day-number {
        font-size: 0.8rem;
    }

    .dca-event {
        font-size: 0.7rem;
        padding: 0.4rem 0.5rem;
    }

    .dca-event-label {
        font-size: 0.7rem;
    }

    .dca-event-time {
        font-size: 0.65rem;
    }

    .dca-calendar-legend {
        gap: 0.75rem;
        font-size: 0.7rem;
    }

    .dca-legend-swatch {
        width: 12px;
        height: 12px;
    }

    .dca-day-closed .dca-event-closed {
        font-size: 0.7rem;
        padding: 0.5rem 0.25rem;
    }
}

@media (max-width: 480px) {
    .dca-calendar-wrap {
        padding: 1rem;
    }

    .dca-calendar-header {
        padding: 0.5rem 0 1rem;
    }

    .dca-calendar-title {
        font-size: 1rem;
    }

    .dca-calendar-nav {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .dca-day {
        min-height: 85px;
        padding: 0.4rem;
    }

    .dca-day-blank {
        min-height: 65px;
    }

    .dca-weekday {
        padding: 0.5rem 0.15rem;
        font-size: 0.55rem;
    }

    .dca-day-number {
        font-size: 0.75rem;
    }

    .dca-event {
        padding: 0.35rem 0.4rem;
    }

    .dca-event-label,
    .dca-event-time {
        font-size: 0.65rem;
    }
}

/* ===== Mobile Agenda View ===== */
.dca-calendar-mobile {
    display: none;
}

.dca-mobile-day {
    background: var(--dca-bg);
    border: 1px solid var(--dca-border);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.dca-mobile-day-header {
    background: var(--dca-primary);
    color: white;
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.dca-mobile-day-today .dca-mobile-day-header {
    background: var(--dca-accent);
}

.dca-mobile-day-closed .dca-mobile-day-header {
    background: var(--dca-closed);
}

.dca-mobile-day-name {
    font-size: 1rem;
}

.dca-mobile-day-date {
    font-size: 0.9rem;
    opacity: 0.95;
}

.dca-mobile-day-events {
    padding: 0.5rem;
}

.dca-mobile-event {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0.5rem;
    margin-bottom: 0.5rem;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #ddd;
    text-decoration: none;
    color: var(--dca-text);
    transition: all 0.2s ease;
}

.dca-mobile-event:last-child {
    margin-bottom: 0;
}

.dca-mobile-event:hover,
.dca-mobile-event:focus {
    background: #e9ecef;
    transform: translateX(2px);
}

.dca-mobile-event-label {
    font-weight: 600;
    font-size: 0.95rem;
}

.dca-mobile-event-time {
    font-size: 0.85rem;
    color: var(--dca-text-muted);
    white-space: nowrap;
}

/* Mobile event gender colors */
.dca-mobile-event-brothers {
    border-left-color: #4472C4;
    background: rgba(68, 114, 196, 0.08);
}

.dca-mobile-event-brothers .dca-mobile-event-label {
    color: #2B4F8C;
}

.dca-mobile-event-sisters {
    border-left-color: #E91E8C;
    background: rgba(233, 30, 140, 0.08);
}

.dca-mobile-event-sisters .dca-mobile-event-label {
    color: #A01464;
}

.dca-mobile-event-closed {
    background: var(--dca-closed);
    border-left-color: var(--dca-closed);
    color: white;
    font-weight: bold;
    justify-content: center;
}

.dca-mobile-event-closed .dca-mobile-event-label {
    color: white;
}

.dca-mobile-empty {
    text-align: center;
    padding: 2rem;
    color: var(--dca-text-muted);
    font-style: italic;
}

/* Media Queries: Show/hide mobile vs desktop views */
@media (max-width: 767px) {
    .dca-calendar-desktop {
        display: none !important;
    }

    .dca-calendar-mobile {
        display: block !important;
    }

    .dca-calendar-legend {
        margin-bottom: 1rem;
    }
}

@media (min-width: 768px) {
    .dca-calendar-mobile {
        display: none !important;
    }

    .dca-calendar-desktop {
        display: block !important;
    }
}