/* ==========================================
   U3A Custom Calendar Widget
   Matching UX Pilot design system
   Font: DM Sans
   ========================================== */

/* Import DM Sans (only loads if not already on the site) */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');

.u3a-cal {
    --u3a-blue: #2563eb;
    --u3a-blue-dark: #1d4ed8;
    --u3a-yellow: #FFC800;
    --u3a-yellow-dark: #e6b400;
    --u3a-text: #111827;
    --u3a-text-muted: #6b7280;
    --u3a-text-light: #9ca3af;
    --u3a-border: #e5e7eb;
    --u3a-bg: #ffffff;
    --u3a-bg-alt: #f9fafb;
    --u3a-bg-hover: #f3f4f6;
    --u3a-radius: 8px;
    --u3a-radius-lg: 12px;
    --u3a-shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --u3a-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --u3a-shadow-lg: 0 8px 24px rgba(37,99,235,0.12);
    --u3a-cell-height: 130px;

    font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    color: var(--u3a-text);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.u3a-cal *,
.u3a-cal *::before,
.u3a-cal *::after {
    box-sizing: border-box;
    font-family: inherit;
}

/* ==========================================
   GLOBAL BUTTON RESET, kills theme defaults
   ========================================== */

.u3a-cal button,
.u3a-cal button:hover,
.u3a-cal button:focus,
.u3a-cal button:active,
.u3a-cal button:visited {
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    background-image: none !important;
    text-shadow: none !important;
    outline: none !important;
    font-family: inherit !important;
}

/* ==========================================
   FILTER BAR
   ========================================== */

.u3a-cal__filterbar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--u3a-bg);
    border: 1px solid var(--u3a-border);
    border-radius: var(--u3a-radius);
    padding: 8px 12px;
    margin-bottom: 20px;
    box-shadow: var(--u3a-shadow-sm);
    flex-wrap: wrap;
}

.u3a-cal .u3a-cal__search {
    position: relative;
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    border: 1px solid var(--u3a-border);
    border-radius: 6px;
    background: var(--u3a-bg);
    transition: border-color 0.2s ease;
}

.u3a-cal .u3a-cal__search:focus-within {
    border-color: var(--u3a-blue);
}

.u3a-cal__search-icon {
    position: absolute;
    left: 12px;
    width: 16px;
    height: 16px;
    color: var(--u3a-text-light);
    pointer-events: none;
}

.u3a-cal .u3a-cal__search-input,
.u3a-cal .u3a-cal__search-input:focus {
    width: 100% !important;
    padding: 10px 12px 10px 36px !important;
    border: none !important;
    background: transparent !important;
    background-color: transparent !important;
    font-size: 16px !important;
    color: var(--u3a-text) !important;
    outline: none !important;
    box-shadow: none !important;
    height: auto !important;
    line-height: 1.4 !important;
    font-family: inherit !important;
}

.u3a-cal .u3a-cal__search-input::placeholder {
    color: var(--u3a-text-light);
}

/* Category dropdown */
.u3a-cal .u3a-cal__category-select,
.u3a-cal .u3a-cal__category-select:focus,
.u3a-cal .u3a-cal__category-select:hover {
    padding: 9px 32px 9px 12px !important;
    border: 1px solid var(--u3a-border) !important;
    border-radius: 6px !important;
    background-color: var(--u3a-bg) !important;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2212%22%20height%3D%2212%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%236b7280%22%20stroke-width%3D%222%22%3E%3Cpolyline%20points%3D%226%209%2012%2015%2018%209%22/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    font-size: 13px !important;
    color: var(--u3a-text) !important;
    cursor: pointer !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    height: auto !important;
    line-height: 1.4 !important;
    outline: none !important;
    box-shadow: none !important;
    font-family: inherit !important;
}

.u3a-cal .u3a-cal__category-select:focus {
    border-color: var(--u3a-blue) !important;
}

/* Find Events button */
.u3a-cal .u3a-cal__btn--primary,
.u3a-cal .u3a-cal__btn--primary:link,
.u3a-cal .u3a-cal__btn--primary:visited {
    background: var(--u3a-blue) !important;
    background-color: var(--u3a-blue) !important;
    color: #ffffff !important;
    border: none !important;
    padding: 9px 18px !important;
    border-radius: 6px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    box-shadow: 0 1px 2px rgba(37,99,235,0.2) !important;
    transition: all 0.2s ease !important;
    white-space: nowrap !important;
    font-family: inherit !important;
}

.u3a-cal .u3a-cal__btn--primary:hover,
.u3a-cal .u3a-cal__btn--primary:focus,
.u3a-cal .u3a-cal__btn--primary:active {
    background: var(--u3a-blue-dark) !important;
    background-color: var(--u3a-blue-dark) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(37,99,235,0.25) !important;
    transform: translateY(-1px);
}

/* View switcher container */
.u3a-cal .u3a-cal__view-switcher {
    display: flex !important;
    gap: 4px !important;
    background: var(--u3a-bg-alt) !important;
    padding: 4px !important;
    border-radius: 6px !important;
    border: 1px solid var(--u3a-border) !important;
}

/* View switcher buttons (List / Month / Week) */
.u3a-cal .u3a-cal__view-btn,
.u3a-cal .u3a-cal__view-btn:link,
.u3a-cal .u3a-cal__view-btn:visited {
    padding: 6px 14px !important;
    border: none !important;
    background: transparent !important;
    background-color: transparent !important;
    font-size: 16px !important;
    font-weight: 500 !important;
    color: var(--u3a-text-muted) !important;
    border-radius: 4px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    box-shadow: none !important;
    text-shadow: none !important;
    font-family: inherit !important;
}

.u3a-cal .u3a-cal__view-btn:hover {
    background: rgba(37, 99, 235, 0.08) !important;
    background-color: rgba(37, 99, 235, 0.08) !important;
    color: var(--u3a-text) !important;
}

.u3a-cal .u3a-cal__view-btn:focus,
.u3a-cal .u3a-cal__view-btn:active {
    background: rgba(37, 99, 235, 0.08) !important;
    background-color: rgba(37, 99, 235, 0.08) !important;
    color: var(--u3a-text) !important;
    outline: none !important;
}

.u3a-cal .u3a-cal__view-btn--active,
.u3a-cal .u3a-cal__view-btn--active:hover,
.u3a-cal .u3a-cal__view-btn--active:focus,
.u3a-cal .u3a-cal__view-btn--active:active {
    background: var(--u3a-bg) !important;
    background-color: var(--u3a-bg) !important;
    color: var(--u3a-text) !important;
    font-weight: 600 !important;
    box-shadow: var(--u3a-shadow-sm) !important;
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */

.u3a-cal__nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

/* Prev/Next icon buttons */
.u3a-cal .u3a-cal__nav-btn,
.u3a-cal .u3a-cal__nav-btn:link,
.u3a-cal .u3a-cal__nav-btn:visited {
    width: 36px !important;
    height: 36px !important;
    border: 1px solid var(--u3a-border) !important;
    background: var(--u3a-bg) !important;
    background-color: var(--u3a-bg) !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--u3a-text) !important;
    transition: all 0.2s ease !important;
    padding: 0 !important;
    box-shadow: none !important;
}

.u3a-cal .u3a-cal__nav-btn:hover,
.u3a-cal .u3a-cal__nav-btn:focus,
.u3a-cal .u3a-cal__nav-btn:active {
    background: var(--u3a-bg-alt) !important;
    background-color: var(--u3a-bg-alt) !important;
    border-color: var(--u3a-blue) !important;
    color: var(--u3a-blue) !important;
    outline: none !important;
}

.u3a-cal .u3a-cal__nav-btn svg {
    width: 18px !important;
    height: 18px !important;
    stroke: currentColor !important;
    color: inherit !important;
    display: block !important;
}

/* Today button */
.u3a-cal .u3a-cal__nav-today,
.u3a-cal .u3a-cal__nav-today:link,
.u3a-cal .u3a-cal__nav-today:visited {
    padding: 8px 16px !important;
    height: 36px !important;
    border: 1px solid var(--u3a-border) !important;
    background: var(--u3a-bg) !important;
    background-color: var(--u3a-bg) !important;
    border-radius: 6px !important;
    font-size: 16px !important;
    font-weight: 500 !important;
    color: var(--u3a-text) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    box-shadow: none !important;
    text-shadow: none !important;
    line-height: 1 !important;
    font-family: inherit !important;
}

.u3a-cal .u3a-cal__nav-today:hover,
.u3a-cal .u3a-cal__nav-today:focus,
.u3a-cal .u3a-cal__nav-today:active {
    background: var(--u3a-bg-alt) !important;
    background-color: var(--u3a-bg-alt) !important;
    border-color: var(--u3a-blue) !important;
    color: var(--u3a-blue) !important;
    outline: none !important;
}

.u3a-cal__nav-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--u3a-text);
    margin: 0 0 0 12px;
}

/* ==========================================
   CALENDAR BODY
   ========================================== */

.u3a-cal__body {
    background: var(--u3a-bg);
    border: 1px solid var(--u3a-border);
    border-radius: var(--u3a-radius);
    overflow: hidden;
    min-height: 400px;
    position: relative;
}

.u3a-cal__loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(255,255,255,0.9);
    color: var(--u3a-text-muted);
    font-size: 14px;
    z-index: 10;
}

.u3a-cal__spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--u3a-border);
    border-top-color: var(--u3a-blue);
    border-radius: 50%;
    animation: u3a-spin 0.8s linear infinite;
}

@keyframes u3a-spin {
    to { transform: rotate(360deg); }
}

/* ==========================================
   MONTH VIEW
   ========================================== */

.u3a-cal__month {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.u3a-cal__month-header {
    padding: 14px 8px;
    background: var(--u3a-bg-alt);
    border-bottom: 1px solid var(--u3a-border);
    font-size: 18px;
    font-weight: 600;
    color: var(--u3a-text-muted);
    text-align: center;
}

.u3a-cal__month-header:not(:last-child) {
    border-right: 1px solid var(--u3a-border);
}

.u3a-cal__day {
    min-height: var(--u3a-cell-height);
    padding: 6px;
    background: var(--u3a-bg);
    border-bottom: 1px solid var(--u3a-border);
    border-right: 1px solid var(--u3a-border);
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
    position: relative;
}

.u3a-cal__day:nth-child(7n) {
    border-right: none;
}

.u3a-cal__month .u3a-cal__day:nth-last-child(-n+7) {
    border-bottom: none;
}

.u3a-cal__day--other-month .u3a-cal__day-num {
    color: var(--u3a-text-light);
    opacity: 0.5;
}

.u3a-cal__day--other-month {
    background: var(--u3a-bg-alt);
}

.u3a-cal__day-num {
    font-size: 13px;
    font-weight: 500;
    color: var(--u3a-text);
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    align-self: flex-start;
    margin-bottom: 2px;
}

.u3a-cal__day--today .u3a-cal__day-num {
    background: var(--u3a-yellow);
    color: var(--u3a-text);
    font-weight: 700;
}

/* Event pills */
.u3a-cal__event {
    background: var(--u3a-blue);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    display: block;
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.u3a-cal__event:hover {
    opacity: 0.9;
    transform: translateX(1px);
    color: #fff;
}

.u3a-cal__event--yellow {
    background: var(--u3a-yellow);
    color: var(--u3a-text);
}

.u3a-cal__event--yellow:hover {
    color: var(--u3a-text);
}

.u3a-cal__event-time {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.95;
    display: block;
    margin-bottom: 1px;
}

.u3a-cal__event--cancelled {
    opacity: 0.6;
    text-decoration: line-through;
}

.u3a-cal__event-more {
    font-size: 10px;
    color: var(--u3a-blue);
    text-decoration: none;
    padding: 2px 6px;
    cursor: pointer;
    font-weight: 500;
}

.u3a-cal__event-more:hover {
    text-decoration: underline;
}

/* ==========================================
   WEEK VIEW
   ========================================== */

.u3a-cal__week {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.u3a-cal__week-header {
    padding: 12px 8px;
    background: var(--u3a-bg-alt);
    border-bottom: 1px solid var(--u3a-border);
    text-align: center;
}

.u3a-cal__week-header:not(:last-child) {
    border-right: 1px solid var(--u3a-border);
}

.u3a-cal__week-day-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--u3a-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.u3a-cal__week-day-num {
    font-size: 20px;
    font-weight: 700;
    color: var(--u3a-text);
    width: 32px;
    height: 32px;
    line-height: 32px;
    border-radius: 50%;
    display: inline-block;
    text-align: center;
}

.u3a-cal__week-header--today .u3a-cal__week-day-num {
    background: var(--u3a-yellow);
}

.u3a-cal__week-col {
    padding: 8px;
    background: var(--u3a-bg);
    min-height: 400px;
    border-right: 1px solid var(--u3a-border);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.u3a-cal__week-col:last-child {
    border-right: none;
}

.u3a-cal__week-event {
    background: var(--u3a-blue);
    color: #fff;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 12px;
    text-decoration: none;
    transition: all 0.15s ease;
    display: block;
}

.u3a-cal__week-event:hover {
    transform: translateY(-1px);
    box-shadow: var(--u3a-shadow);
    color: #fff;
}

.u3a-cal__week-event--yellow {
    background: var(--u3a-yellow);
    color: var(--u3a-text);
}

.u3a-cal__week-event--yellow:hover {
    color: var(--u3a-text);
}

.u3a-cal__week-event-time {
    font-size: 10px;
    font-weight: 400;
    opacity: 0.95;
    display: block;
    margin-bottom: 2px;
}

.u3a-cal__week-event-title {
    font-weight: 600;
    line-height: 1.3;
}

/* ==========================================
   LIST VIEW
   ========================================== */

.u3a-cal__list {
    padding: 0;
}

.u3a-cal__list-day {
    padding: 16px 20px;
    border-bottom: 1px solid var(--u3a-border);
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 20px;
    align-items: start;
}

.u3a-cal__list-day:last-child {
    border-bottom: none;
}

.u3a-cal__list-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 4px;
}

.u3a-cal__list-date-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--u3a-text);
    line-height: 1;
}

.u3a-cal__list-date-day {
    font-size: 12px;
    font-weight: 600;
    color: var(--u3a-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.u3a-cal__list-date-month {
    font-size: 11px;
    color: var(--u3a-text-light);
    margin-top: 2px;
}

.u3a-cal__list-day--today .u3a-cal__list-date-num {
    color: var(--u3a-blue);
}

.u3a-cal__list-events {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.u3a-cal__list-event {
    padding: 12px 16px;
    border: 1px solid var(--u3a-border);
    border-radius: var(--u3a-radius);
    text-decoration: none;
    color: inherit;
    transition: all 0.15s ease;
    border-left: 4px solid var(--u3a-blue);
}

.u3a-cal__list-event:hover {
    border-color: var(--u3a-blue);
    box-shadow: var(--u3a-shadow);
    transform: translateX(2px);
    color: inherit;
}

.u3a-cal__list-event--yellow {
    border-left-color: var(--u3a-yellow);
}

.u3a-cal__list-event-time {
    font-size: 12px;
    color: var(--u3a-text-muted);
    margin-bottom: 4px;
}

.u3a-cal__list-event-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--u3a-text);
    margin-bottom: 4px;
}

.u3a-cal__list-event-venue {
    font-size: 12px;
    color: var(--u3a-text-light);
}

.u3a-cal__list-event--cancelled .u3a-cal__list-event-title {
    text-decoration: line-through;
    opacity: 0.6;
}

/* ==========================================
   EMPTY STATES
   ========================================== */

.u3a-cal__empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--u3a-text-muted);
    font-size: 14px;
}

.u3a-cal__empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    color: var(--u3a-text-light);
    opacity: 0.6;
}

.u3a-cal__error {
    padding: 16px;
    background: #fee2e2;
    color: #991b1b;
    border-radius: var(--u3a-radius);
    font-size: 13px;
    margin: 16px;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .u3a-cal {
        --u3a-cell-height: 80px;
    }

    .u3a-cal__filterbar {
        padding: 8px;
        gap: 8px;
    }

    .u3a-cal__search {
        flex-basis: 100%;
        order: -1;
    }

    .u3a-cal__view-switcher {
        flex: 1;
        justify-content: center;
    }

    .u3a-cal .u3a-cal__view-btn {
        padding: 6px 10px !important;
        font-size: 12px !important;
    }

    .u3a-cal__nav {
        gap: 6px;
    }

    .u3a-cal__nav-title {
        font-size: 16px;
        margin-left: 4px;
        flex-basis: 100%;
        order: -1;
        text-align: center;
        margin-bottom: 8px;
    }

    .u3a-cal__month-header {
        padding: 8px 4px;
        font-size: 11px;
    }

    .u3a-cal__day {
        padding: 4px;
    }

    .u3a-cal__day-num {
        font-size: 11px;
        width: 20px;
        height: 20px;
    }

    .u3a-cal__event {
        font-size: 14px;
        padding: 1px 4px;
    }

    .u3a-cal__event-time {
        display: none;
    }

    .u3a-cal__list-day {
        grid-template-columns: 70px 1fr;
        gap: 12px;
        padding: 12px;
    }

    .u3a-cal__list-date-num {
        font-size: 22px;
    }

    /* Week view becomes list-style on mobile */
    .u3a-cal__week {
        grid-template-columns: 1fr;
    }

    .u3a-cal__week-header,
    .u3a-cal__week-col {
        border-right: none;
        border-bottom: 1px solid var(--u3a-border);
    }
}

@media (max-width: 480px) {
    .u3a-cal__filterbar {
        flex-direction: column;
        align-items: stretch;
    }

    .u3a-cal .u3a-cal__btn--primary,
    .u3a-cal .u3a-cal__category-select {
        width: 100% !important;
    }
}