/**
 * Baktun - Calendar grid styles.
 *
 * BEM block: .baktun-cal
 * Depends on baktun.css for shared custom properties, modal, spinner.
 *
 * @package Baktun
 */

/* ================================================================== */
/*  Custom properties (calendar-specific, overridable via inline)     */
/* ================================================================== */
:root {
    --baktun-cal-header:     #388e3c;
    --baktun-cal-bg:         #e8f5e9;
    --baktun-cal-today:      #c8e6c9;
    --baktun-cal-header-text:#ffffff;
    --baktun-cal-day-hover:  #f1f8e9;
    --baktun-cal-outside:    #b0bec5;
    --baktun-cal-nav:        #1b5e20;
    --baktun-cal-dot-default:#0073aa;
    --baktun-cal-border-size: 1px;
}

/* ================================================================== */
/*  Container                                                         */
/* ================================================================== */
.baktun-cal {
    max-width: 900px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: var(--baktun-cal-bg);
    border-radius: var(--baktun-radius, 8px);
    overflow: hidden;
}

/* ================================================================== */
/*  Header (month title + navigation arrows)                          */
/* ================================================================== */
.baktun-cal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: transparent;
}

.baktun-cal__month-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--baktun-cal-nav);
    text-align: center;
    flex: 1;
}

.baktun-cal__nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.75rem;
    border: none;
    background: transparent;
    color: var(--baktun-cal-nav);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--baktun-radius, 8px);
    transition: background var(--baktun-transition, 0.2s ease), color var(--baktun-transition, 0.2s ease);
    white-space: nowrap;
}

.baktun-cal__nav-btn:hover,
.baktun-cal__nav-btn:focus-visible {
    background: rgba(56, 142, 60, 0.1);
}

.baktun-cal__nav-btn:focus-visible {
    outline: 3px solid var(--baktun-cal-header);
    outline-offset: 2px;
}

.baktun-cal__nav-arrow {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

/* ================================================================== */
/*  Loading indicator                                                 */
/* ================================================================== */
.baktun-cal__loading[hidden] {
    display: none;
}

.baktun-cal__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
    color: var(--baktun-text-muted, #646970);
}

/* ================================================================== */
/*  Calendar grid (table)                                             */
/* ================================================================== */
.baktun-cal__grid[hidden] {
    display: none;
}

.baktun-cal__grid {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

/* Day name headers */
.baktun-cal__head th {
    padding: 0.75rem 0.5rem;
    background: var(--baktun-cal-header);
    color: var(--baktun-cal-header-text);
    font-weight: 600;
    font-size: 0.85rem;
    text-align: center;
    text-transform: capitalize;
}

/* ================================================================== */
/*  Day cells                                                         */
/* ================================================================== */
.baktun-cal__day {
    min-height: 80px;
    height: 80px;
    vertical-align: top;
    padding: 6px;
    border: var(--baktun-cal-border-size) solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.5);
    position: relative;
    transition: background var(--baktun-transition, 0.2s ease);
}

.baktun-cal__day-number {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--baktun-text, #1e1e1e);
    line-height: 1;
    margin-bottom: 4px;
}

/* Today */
.baktun-cal__day--today {
    background: var(--baktun-cal-today);
}

.baktun-cal__day--today .baktun-cal__day-number {
    color: var(--baktun-cal-header);
    font-weight: 700;
}

/* Outside month (previous/next) */
.baktun-cal__day--outside {
    background: transparent;
}

.baktun-cal__day--outside .baktun-cal__day-number {
    color: var(--baktun-cal-outside);
    font-weight: 400;
}

/* Has events - interactive */
.baktun-cal__day--has-events {
    cursor: pointer;
}

.baktun-cal__day--has-events:hover {
    background: var(--baktun-cal-day-hover);
}

.baktun-cal__day--has-events:focus-visible {
    outline: 3px solid var(--baktun-cal-header);
    outline-offset: -3px;
    z-index: 1;
}

.baktun-cal__day--today.baktun-cal__day--has-events:hover {
    background: #a5d6a7;
}

/* ================================================================== */
/*  Event dots                                                        */
/* ================================================================== */
.baktun-cal__dots {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 4px;
    align-items: center;
}

.baktun-cal__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.baktun-cal__dot-overflow {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--baktun-text-muted, #646970);
    line-height: 1;
}

/* ================================================================== */
/*  Day modal content                                                 */
/* ================================================================== */
.baktun-cal__modal-content {
    max-width: 560px;
}

.baktun-cal__modal-title {
    margin: 0 0 1.25rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--baktun-text, #1e1e1e);
}

.baktun-cal__day-events {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.baktun-cal__day-event {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--baktun-bg-alt, #f0f0f1);
    border-radius: var(--baktun-radius, 8px);
    align-items: flex-start;
}

.baktun-cal__day-event-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 4px;
}

/* Modifier: border indicator instead of dot */
.baktun-cal__day-event--border {
    display: block;
    border-left: 4px solid var(--baktun-cal-dot-default);
}

.baktun-cal__day-event--border .baktun-cal__day-event-color {
    display: none;
}

.baktun-cal__day-event-info {
    flex: 1;
    min-width: 0;
}

.baktun-cal__day-event-title {
    margin: 0 0 0.35rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--baktun-text, #1e1e1e);
}

.baktun-cal__day-event-time,
.baktun-cal__day-event-location {
    margin: 0 0 0.25rem;
    font-size: 0.85rem;
    color: var(--baktun-text-muted, #646970);
}

.baktun-cal__day-event-time::before {
    content: "🕐 ";
}

.baktun-cal__day-event-location::before {
    content: "📍 ";
}

.baktun-cal__day-event-description {
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: var(--baktun-text, #1e1e1e);
    line-height: 1.5;
}

.baktun-cal__day-event-description p {
    margin: 0 0 0.5rem;
}

.baktun-cal__day-event-description p:last-child {
    margin-bottom: 0;
}

.baktun-cal__day-event-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--baktun-cal-header);
    text-decoration: none;
}

.baktun-cal__day-event-link:hover,
.baktun-cal__day-event-link:focus-visible {
    text-decoration: underline;
}

/* ================================================================== */
/*  Modifier: center dates                                            */
/* ================================================================== */
.baktun-cal--center-dates .baktun-cal__day {
    text-align: center;
    vertical-align: middle;
}

.baktun-cal--center-dates .baktun-cal__day-number {
    text-align: center;
}

/* ================================================================== */
/*  Modifier: arrow-only navigation                                   */
/* ================================================================== */
.baktun-cal--arrow-nav .baktun-cal__nav-text {
    display: none;
}

/* ================================================================== */
/*  Modifier: compact cells                                           */
/* ================================================================== */
.baktun-cal--compact .baktun-cal__day {
    min-height: 60px;
    height: 60px;
    padding: 4px;
}

.baktun-cal--compact .baktun-cal__head th {
    padding: 0.5rem 0.25rem;
}

.baktun-cal--compact .baktun-cal__day-number {
    font-size: 0.8rem;
}

/* ================================================================== */
/*  Modifier: dots centered at bottom                                 */
/* ================================================================== */
.baktun-cal--dots-bottom .baktun-cal__day {
    position: relative;
    padding-bottom: 8px;
}

.baktun-cal--dots-bottom .baktun-cal__dots {
    position: absolute;
    bottom: 6px;
    left: 0;
    right: 0;
    justify-content: center;
    margin-top: 0;
}

/* ================================================================== */
/*  Modifier: grid borders extended into header                       */
/* ================================================================== */
.baktun-cal--header-borders .baktun-cal__head th {
    border: var(--baktun-cal-border-size) solid rgba(0, 0, 0, 0.08);
}

/* ================================================================== */
/*  Responsive                                                        */
/* ================================================================== */
@media (max-width: 768px) {
    .baktun-cal__header {
        padding: 0.75rem 0.5rem;
    }

    .baktun-cal__month-title {
        font-size: 1.2rem;
    }

    .baktun-cal__nav-btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.5rem;
    }

    .baktun-cal__day {
        min-height: 60px;
        height: 60px;
        padding: 4px;
    }

    .baktun-cal__day-number {
        font-size: 0.75rem;
    }

    .baktun-cal__dot {
        width: 8px;
        height: 8px;
    }

    .baktun-cal__head th {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .baktun-cal__month-title {
        font-size: 1rem;
    }

    .baktun-cal__nav-btn span {
        font-size: 0.75rem;
    }

    .baktun-cal__day {
        min-height: 48px;
        height: 48px;
        padding: 3px;
    }

    .baktun-cal__day-number {
        font-size: 0.7rem;
    }

    .baktun-cal__dot {
        width: 6px;
        height: 6px;
    }

    .baktun-cal__dots {
        gap: 2px;
        margin-top: 2px;
    }

    .baktun-cal__dot-overflow {
        font-size: 0.6rem;
    }

    .baktun-cal__day-event {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* ================================================================== */
/*  Print                                                             */
/* ================================================================== */
@media print {
    .baktun-cal__header {
        background: none;
        color: #000;
    }

    .baktun-cal__nav-btn {
        display: none;
    }

    .baktun-cal__day {
        border: var(--baktun-cal-border-size) solid #ccc;
    }

    .baktun-cal__dot {
        border: 1px solid #333;
    }
}

/* ================================================================== */
/*  Reduced motion                                                    */
/* ================================================================== */
@media (prefers-reduced-motion: reduce) {
    .baktun-cal,
    .baktun-cal__day,
    .baktun-cal__nav-btn {
        transition: none;
    }
}

/* ================================================================== */
/*  High contrast                                                     */
/* ================================================================== */
@media (prefers-contrast: more) {
    .baktun-cal__day {
        border-width: 2px;
        border-color: #000;
    }

    .baktun-cal__dot {
        border: 1px solid #000;
    }

    .baktun-cal__day--has-events:focus-visible {
        outline-width: 4px;
    }
}