/**
 * Calendar Shortcode CSS
 * File: assets/css/calendar.css
 */

/* CSS Custom Properties for Theming */
:root {
    --ae-calendar-bg: #fff;
    --ae-calendar-border: #ddd;
    --ae-calendar-text: #212529;
    --ae-calendar-text-muted: #6c757d;
    --ae-calendar-primary: #007cba;
    --ae-calendar-primary-hover: #005a87;
    --ae-calendar-header-bg: #f8f9fa;
    --ae-calendar-day-hover: #f8f9fa;
    --ae-calendar-today-bg: #e3f2fd;
    --ae-calendar-has-events-bg: #fff3cd;
    --ae-calendar-cancelled: #dc3545;
    --ae-calendar-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --ae-calendar-focus-ring: 0 0 0 3px rgba(0, 124, 186, 0.4);
}

/* Calendar Container */
.ae-events-calendar {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--ae-calendar-bg);
    position: relative;
    min-height: 400px;
}

/* Utility: Hidden state (replaces inline display:none) */
.ae-events-calendar .is-hidden {
    display: none !important;
}

/* Screen reader only text */
.ae-events-calendar .screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* Calendar Header */
.calendar-header {
    background: var(--ae-calendar-header-bg);
    padding: 15px 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.calendar-nav button {
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    color: var(--ae-calendar-text);
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-nav button:hover {
    color: var(--ae-calendar-primary);
}

.calendar-nav button:focus-visible {
    outline: none;
    box-shadow: var(--ae-calendar-focus-ring);
}

.calendar-nav button:active {
    transform: translateY(1px);
}

.calendar-title {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--ae-calendar-text);
    min-width: 200px;
    text-align: center;
}

.calendar-view-switcher {
    display: flex;
    gap: 16px;
    background: transparent;
    border: none;
    padding: 0;
}

.view-btn {
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--ae-calendar-text-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.view-btn:hover {
    color: var(--ae-calendar-text);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.view-btn:focus-visible {
    outline: none;
    box-shadow: var(--ae-calendar-focus-ring);
}

.view-btn[aria-pressed="true"],
.view-btn.active {
    color: var(--ae-calendar-text);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

/* Loading State */
.calendar-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.calendar-loading.is-hidden {
    display: none !important;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--ae-calendar-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Calendar Content */
.calendar-content {
    padding: 0;
    min-height: 400px;
}

/* Month View */
.calendar-month-view {
    display: block;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--ae-calendar-header-bg);
}

.weekday {
    padding: 12px 8px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--ae-calendar-text);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-auto-rows: minmax(100px, auto);
}

.calendar-day {
    padding: 8px;
    min-height: 100px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.calendar-day:hover {
    background-color: var(--ae-calendar-day-hover);
}

.calendar-day:focus-visible {
    outline: none;
    box-shadow: inset var(--ae-calendar-focus-ring);
}

.calendar-day.other-month {
    background-color: var(--ae-calendar-header-bg);
    color: #adb5bd;
}

.calendar-day.today {
    background-color: var(--ae-calendar-today-bg);
}

.calendar-day.today .day-number {
    background: var(--ae-calendar-primary);
    color: #fff;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 50%;
    display: inline-block;
    padding: 0;
}

.calendar-day.has-events {
    background-color: transparent;
}

.calendar-day.today.has-events {
    background-color: var(--ae-calendar-today-bg);
}

.day-number {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 14px;
}

.day-events {
    max-height: none;
    overflow: visible;
}

.calendar-event {
    padding: 2px 6px;
    margin: 1px 0;
    border: none;
    border-left: 3px solid rgba(0, 0, 0, 0.25);
    border-radius: 3px;
    font-size: 11px;
    line-height: 1.2;
    cursor: pointer;
    transition: all 0.2s ease;
    display: block;
    text-decoration: none;
    text-align: left;
    width: 100%;
    word-wrap: break-word;
}

.calendar-event:hover {
}

.calendar-event.event-cancelled {
    background: transparent;
    border-left-color: var(--ae-calendar-cancelled);
    text-decoration: line-through;
}

.calendar-event.event-cancelled:hover {
    background: transparent;
}

.calendar-month-view .calendar-event .event-time-range,
.week-day-column .calendar-event .event-time-range {
    display: block;
    font-size: 12px;
    font-weight: 300;
    color: var(--ae-calendar-text-muted);
}

.calendar-month-view .calendar-event .event-title,
.week-day-column .calendar-event .event-title {
    display: block;
    font-size: 13px;
    font-weight: 500;
}

.calendar-event .event-title-link {
    color: inherit;
    text-decoration: none;
    display: inline;
}

.calendar-event .event-title-link:hover,
.calendar-event .event-title-link:focus-visible {
    text-decoration: underline;
}

.calendar-event-tooltip {
    position: absolute;
    z-index: 1100;
    max-width: 480px;
    min-width: 280px;
    background: #ffffff;
    border: 1px solid var(--ae-calendar-border);
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.calendar-event-tooltip .list-event {
    margin-bottom: 0;
    border-radius: 0;
    outline: none;
    background: transparent;
}

.event-more {
    color: #6c757d;
    font-size: 10px;
    font-style: italic;
    margin-top: 2px;
    cursor: pointer;
}

.event-more:hover {
    color: #495057;
    text-decoration: underline;
}

/* Week View */
.calendar-week-view {
    display: block;
}

.calendar-week-view.is-hidden {
    display: none !important;
}

.week-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border-bottom: 2px solid var(--ae-calendar-border);
}

.week-day-header {
    padding: 12px 8px 10px;
    text-align: center;
    background: var(--ae-calendar-header-bg);
}

.week-day-name {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ae-calendar-text-muted);
    margin-bottom: 4px;
}

.week-day-number {
    font-size: 20px;
    font-weight: 700;
    color: var(--ae-calendar-text);
    line-height: 1.2;
    width: 32px;
    height: 32px;
    line-height: 32px;
    margin: 0 auto;
    border-radius: 50%;
}

.week-day-header.is-today .week-day-number {
    background: var(--ae-calendar-primary);
    color: #fff;
}

.week-all-day-events.is-hidden {
    display: none !important;
}

.week-content {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    align-items: stretch;
    border-top: 1px solid var(--ae-calendar-border);
}

.week-day-column {
    padding: 8px 6px;
    border-right: 1px solid var(--ae-calendar-border);
    min-height: 60px;
}

.week-day-column:last-child {
    border-right: none;
}

/* List View */
.calendar-list-view {
    display: block;
    padding: 20px;
}

.calendar-list-view.is-hidden {
    display: none !important;
}

.events-list {
    max-height: 500px;
    overflow-y: auto;
}

.list-event {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
    border: none;
    border-left: none;
    border-radius: 6px;
    margin-bottom: 15px;
    padding: 20px;
    background: var(--ae-calendar-bg);
    outline: none;
}

.list-event.event-cancelled {
    opacity: 0.7;
    background: var(--ae-calendar-header-bg);
}

.list-event-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.list-event-datetime {
    font-size: 14px;
    color: var(--ae-calendar-text);
}

.list-event-time {
    font-weight: 400;
}

h4.list-event-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--ae-calendar-text);
}

.list-event-title a {
    color: inherit;
    text-decoration: none;
}

.list-event-title a:hover,
.list-event-title a:focus-visible {
    text-decoration: underline;
}

.list-event.event-cancelled .list-event-title {
    text-decoration: line-through;
}

.list-event-title .cancelled-label {
    font-size: 14px;
    font-weight: 400;
}

.list-event-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.event-category-pill {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.6;
    background: var(--ae-calendar-primary, #007cba);
    color: #fff;
    pointer-events: none;
    user-select: none;
}

.list-event-excerpt {
    font-size: 14px;
    color: #495057;
    line-height: 1.5;
}

.list-event-cta {
    display: inline-block;
    padding: 7px 18px;
    border-radius: 4px;
    background: var(--ae-calendar-primary);
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s ease;
    margin-top: 4px;
}

.list-event-cta:hover {
    opacity: 0.85;
    color: #fff;
}

.list-event-cta:focus-visible {
    outline: none;
    box-shadow: var(--ae-calendar-focus-ring);
}

.list-event-image {
    flex-shrink: 0;
    width: 160px;
}

.list-event-image img {
    display: block;
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
}

@media (max-width: 480px) {
    .list-event {
        flex-direction: column-reverse;
    }

    .list-event-image {
        width: 100%;
    }

    .list-event-image img {
        height: 180px;
    }
}

/* Category Colors */
.event-cat-workshops { background-color: #28a745 !important; }
.event-cat-workshops:hover { background-color: #1e7e34 !important; }

.event-cat-meetings { background-color: #dc3545 !important; }
.event-cat-meetings:hover { background-color: #c82333 !important; }

.event-cat-conferences { background-color: #6f42c1 !important; }
.event-cat-conferences:hover { background-color: #59339d !important; }

.event-cat-webinars { background-color: #fd7e14 !important; }
.event-cat-webinars:hover { background-color: #e55a00 !important; }

.event-cat-social { background-color: #20c997 !important; }
.event-cat-social:hover { background-color: #1aa179 !important; }

/* Responsive Design */
@media (max-width: 768px) {
    .calendar-header {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }

    .calendar-nav {
        order: 2;
    }

    .calendar-view-switcher {
        order: 1;
        align-self: stretch;
    }

    .calendar-title {
        min-width: auto;
        font-size: 18px;
    }

    .calendar-days {
        grid-auto-rows: minmax(80px, auto);
    }

    .calendar-day {
        min-height: 80px;
        padding: 4px;
    }

    .calendar-event {
        font-size: 10px;
        padding: 1px 4px;
    }

    /* Scroll week view horizontally on mobile */
    .calendar-week-view {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .week-header,
    .week-content {
        min-width: 560px;
    }
}

@media (max-width: 480px) {
    .calendar-day {
        min-height: 60px;
        padding: 2px;
    }

    .day-number {
        font-size: 12px;
        margin-bottom: 2px;
    }

    .calendar-event {
        font-size: 9px;
        padding: 1px 3px;
        margin: 1px 0;
    }

    .view-btn {
        padding: 6px 0;
    }
}

/* Upcoming Events Shortcode */
.ae-upcoming-events {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.ae-upcoming-events--empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--ae-calendar-text-muted, #6c757d);
}

/* ── Upcoming events: filters ─────────────────────────────────────────────── */

.ae-upcoming-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
}

.ae-filter-search {
    flex: 1 1 200px;
}

.ae-filter-category {
    flex: 0 1 220px;
}

.ae-filter-submit {
    flex: 0 0 auto;
}

.ae-search-btn {
    display: inline-block;
    padding: 8px 18px;
    border: none;
    border-radius: 4px;
    background: var(--ae-calendar-primary, #007cba);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s ease;
    white-space: nowrap;
}

.ae-search-btn:hover {
    opacity: 0.85;
}

.ae-search-btn:focus-visible {
    outline: none;
    box-shadow: var(--ae-calendar-focus-ring, 0 0 0 3px rgba(0, 124, 186, 0.25));
}

.ae-search-input,
.ae-category-select {
    display: block;
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--ae-calendar-border, #ddd);
    border-radius: 4px;
    font-size: 14px;
    color: var(--ae-calendar-text, #212529);
    background: var(--ae-calendar-bg, #fff);
    line-height: 1.5;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ae-search-input:focus,
.ae-category-select:focus {
    outline: none;
    border-color: var(--ae-calendar-primary, #007cba);
    box-shadow: var(--ae-calendar-focus-ring, 0 0 0 3px rgba(0, 124, 186, 0.25));
}

/* ── Upcoming events: pagination ──────────────────────────────────────────── */

.ae-upcoming-pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.ae-upcoming-pagination.is-hidden {
    display: none !important;
}

.ae-pagination-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--ae-calendar-border, #ddd);
    border-radius: 4px;
    background: var(--ae-calendar-bg, #fff);
    color: var(--ae-calendar-text, #212529);
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ae-pagination-btn:hover {
    background: var(--ae-calendar-header-bg, #f8f9fa);
    border-color: var(--ae-calendar-primary, #007cba);
    color: var(--ae-calendar-primary, #007cba);
}

.ae-pagination-btn.is-current {
    background: var(--ae-calendar-primary, #007cba);
    border-color: var(--ae-calendar-primary, #007cba);
    color: #fff;
    cursor: default;
    font-weight: 600;
}

.ae-pagination-btn:focus-visible {
    outline: none;
    box-shadow: var(--ae-calendar-focus-ring, 0 0 0 3px rgba(0, 124, 186, 0.25));
}

.ae-pagination-prev,
.ae-pagination-next {
    font-size: 18px;
    line-height: 1;
}

.ae-pagination-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.ae-pagination-ellipsis {
    font-size: 14px;
    color: var(--ae-calendar-text-muted, #6c757d);
    padding: 0 4px;
    line-height: 36px;
}

/* ── Upcoming events: loading state ──────────────────────────────────────── */

.ae-upcoming-loading .ae-upcoming-results {
    opacity: 0.5;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

/* ICS Export Link on Single Events */
.ae-event-ics-export__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ae-calendar-primary, #007cba);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
}

.ae-event-ics-export__link:hover {
    text-decoration: underline;
}

/* Print Styles */
@media print {
    .calendar-header {
        background: white !important;
    }

    .calendar-nav button,
    .calendar-view-switcher {
        display: none;
    }

    .calendar-event {
        background: white !important;
        color: black !important;
        border: 1px solid #000;
    }

}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .ae-events-calendar {
        border: 2px solid #000;
    }

    .calendar-event {
        border: 1px solid #000;
        font-weight: bold;
    }

    .calendar-day {
        border: 1px solid #000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .calendar-event,
    .list-event,
    .calendar-nav button,
    .view-btn {
        transition: none;
    }

    .loading-spinner {
        animation: none;
    }
}

/* Calendar row for proper grid structure */
.calendar-row {
    display: contents;
}

/* No events message */
.no-events {
    text-align: center;
    padding: 40px 20px;
    color: var(--ae-calendar-text-muted);
}

/* Error state styling */
.calendar-error {
    padding: 20px;
    text-align: center;
    color: var(--ae-calendar-cancelled);
}

.calendar-error .retry-btn {
    margin-top: 10px;
}