/**
 * 3task Calendar - Frontend Styles
 * 5 Themes: Default, Minimal, Gradient, Glassmorphism, Boxed
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --threecal-primary: #6366f1;
    --threecal-primary-light: #818cf8;
    --threecal-primary-dark: #4f46e5;
    --threecal-secondary: #ec4899;
    --threecal-accent: #06b6d4;

    --threecal-text: #1f2937;
    --threecal-text-light: #6b7280;
    --threecal-text-muted: #9ca3af;

    --threecal-bg: #ffffff;
    --threecal-bg-alt: #f9fafb;
    --threecal-border: #e5e7eb;

    --threecal-success: #10b981;
    --threecal-warning: #f59e0b;
    --threecal-danger: #ef4444;

    --threecal-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --threecal-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --threecal-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --threecal-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --threecal-radius: 12px;
    --threecal-radius-sm: 8px;
    --threecal-radius-lg: 16px;
    --threecal-radius-full: 9999px;

    --threecal-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --threecal-transition-fast: all 0.15s ease;
}

/* ==========================================================================
   Base Calendar Wrapper
   ========================================================================== */
.threecal-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5;
    color: var(--threecal-text);
    max-width: 100%;
    margin: 0 auto;
}

.threecal-wrapper * {
    box-sizing: border-box;
}

/* ==========================================================================
   Filters Bar
   ========================================================================== */
.threecal-filters {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.threecal-category-filter {
    padding: 10px 16px;
    border: 2px solid var(--threecal-border);
    border-radius: var(--threecal-radius-sm);
    font-size: 14px;
    color: var(--threecal-text);
    background: var(--threecal-bg);
    cursor: pointer;
    transition: var(--threecal-transition);
    min-width: 180px;
}

.threecal-category-filter:hover,
.threecal-category-filter:focus {
    border-color: var(--threecal-primary);
    outline: none;
}

.threecal-view-switcher {
    display: flex;
    gap: 4px;
    background: var(--threecal-bg-alt);
    padding: 4px;
    border-radius: var(--threecal-radius-sm);
}

.threecal-view-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--threecal-text-light);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--threecal-transition);
}

.threecal-view-btn:hover {
    color: var(--threecal-text);
}

.threecal-view-btn.active {
    background: var(--threecal-bg);
    color: var(--threecal-primary);
    box-shadow: var(--threecal-shadow-sm);
}

/* ==========================================================================
   Calendar Header
   ========================================================================== */
.threecal-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--threecal-bg);
    border-radius: var(--threecal-radius);
    box-shadow: var(--threecal-shadow-sm);
}

.threecal-nav {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--threecal-bg-alt);
    color: var(--threecal-text);
    border-radius: var(--threecal-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--threecal-transition);
}

.threecal-nav:hover {
    background: var(--threecal-primary);
    color: #fff;
    transform: scale(1.05);
}

.threecal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--threecal-text);
    margin: 0;
    min-width: 200px;
    text-align: center;
}

.threecal-today {
    padding: 8px 20px;
    border: 2px solid var(--threecal-primary);
    background: transparent;
    color: var(--threecal-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--threecal-radius-full);
    cursor: pointer;
    transition: var(--threecal-transition);
}

.threecal-today:hover {
    background: var(--threecal-primary);
    color: #fff;
}

/* ==========================================================================
   Month Grid
   ========================================================================== */
.threecal-month-grid {
    width: 100%;
    border-collapse: separate;
    border-spacing: 4px;
    background: transparent;
}

.threecal-month-grid th {
    padding: 12px 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--threecal-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.threecal-month-grid td {
    background: var(--threecal-bg);
    vertical-align: top;
    height: 100px;
    padding: 0;
    border-radius: var(--threecal-radius-sm);
    transition: var(--threecal-transition);
    box-shadow: var(--threecal-shadow-sm);
}

.threecal-month-grid td:hover:not(.threecal-day-empty) {
    box-shadow: var(--threecal-shadow);
    transform: translateY(-2px);
}

.threecal-day-empty {
    background: transparent !important;
    box-shadow: none !important;
}

/* ==========================================================================
   Day Cell
   ========================================================================== */
.threecal-day-header {
    padding: 8px 10px;
    display: flex;
    justify-content: flex-end;
}

.threecal-day-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--threecal-text);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--threecal-radius-full);
    transition: var(--threecal-transition);
}

.threecal-day.threecal-today .threecal-day-number {
    background: var(--threecal-primary);
    color: #fff;
}

.threecal-day-events {
    padding: 4px 8px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.threecal-event-dot {
    display: block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--threecal-transition);
}

.threecal-event-dot:hover {
    transform: scale(1.02);
    box-shadow: var(--threecal-shadow-sm);
}

.threecal-event-title {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.threecal-more-events {
    display: block;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 500;
    color: var(--threecal-text-light);
    text-decoration: none;
    transition: var(--threecal-transition);
}

.threecal-more-events:hover {
    color: var(--threecal-primary);
}

/* ==========================================================================
   Legend
   ========================================================================== */
.threecal-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px;
    margin-top: 20px;
    background: var(--threecal-bg-alt);
    border-radius: var(--threecal-radius);
}

.threecal-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--threecal-text-light);
}

.threecal-legend-color {
    width: 14px;
    height: 14px;
    border-radius: 4px;
}

/* ==========================================================================
   Modal
   ========================================================================== */
.threecal-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--threecal-transition);
}

.threecal-modal.active {
    opacity: 1;
    visibility: visible;
}

.threecal-modal-content {
    background: var(--threecal-bg);
    border-radius: var(--threecal-radius-lg);
    box-shadow: var(--threecal-shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: var(--threecal-transition);
}

.threecal-modal.active .threecal-modal-content {
    transform: scale(1) translateY(0);
}

.threecal-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--threecal-bg-alt);
    color: var(--threecal-text);
    font-size: 24px;
    border-radius: var(--threecal-radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--threecal-transition);
    z-index: 10;
}

.threecal-modal-close:hover {
    background: var(--threecal-danger);
    color: #fff;
}

.threecal-modal-body {
    padding: 24px;
}

/* Event Modal Content */
.threecal-modal-event-image {
    margin: -24px -24px 20px;
    border-radius: var(--threecal-radius-lg) var(--threecal-radius-lg) 0 0;
    overflow: hidden;
}

.threecal-modal-event-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.threecal-modal-event-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--threecal-text);
}

.threecal-modal-event-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.threecal-modal-category-tag {
    padding: 4px 12px;
    border-radius: var(--threecal-radius-full);
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}

.threecal-modal-event-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--threecal-bg-alt);
    border-radius: var(--threecal-radius);
}

.threecal-modal-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
}

.threecal-modal-meta-item .dashicons {
    color: var(--threecal-primary);
    flex-shrink: 0;
}

.threecal-modal-event-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--threecal-text);
}

.threecal-modal-event-url {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 12px 24px;
    background: var(--threecal-primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--threecal-radius);
    font-weight: 600;
    transition: var(--threecal-transition);
}

.threecal-modal-event-url:hover {
    background: var(--threecal-primary-dark);
    transform: translateY(-2px);
}

/* ==========================================================================
   Event List
   ========================================================================== */
.threecal-event-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.threecal-event-list.threecal-view-grid .threecal-grid {
    display: grid;
    gap: 20px;
}

.threecal-grid-2 { grid-template-columns: repeat(2, 1fr); }
.threecal-grid-3 { grid-template-columns: repeat(3, 1fr); }
.threecal-grid-4 { grid-template-columns: repeat(4, 1fr); }

.threecal-event-card {
    background: var(--threecal-bg);
    border-radius: var(--threecal-radius);
    box-shadow: var(--threecal-shadow);
    overflow: hidden;
    transition: var(--threecal-transition);
}

.threecal-event-card:hover {
    box-shadow: var(--threecal-shadow-lg);
    transform: translateY(-4px);
}

.threecal-event-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.threecal-event-content {
    padding: 20px;
}

.threecal-event-card .threecal-event-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 12px;
}

.threecal-event-card .threecal-event-title a {
    color: var(--threecal-text);
    text-decoration: none;
}

.threecal-event-card .threecal-event-title a:hover {
    color: var(--threecal-primary);
}

.threecal-event-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
    color: var(--threecal-text-light);
}

.threecal-event-meta .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    margin-right: 6px;
    color: var(--threecal-primary);
}

.threecal-event-excerpt {
    margin-top: 12px;
    font-size: 14px;
    color: var(--threecal-text-light);
    line-height: 1.6;
}

/* ==========================================================================
   Upcoming Widget
   ========================================================================== */
.threecal-upcoming {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.threecal-upcoming-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--threecal-bg);
    border-radius: var(--threecal-radius-sm);
    box-shadow: var(--threecal-shadow-sm);
    transition: var(--threecal-transition);
}

.threecal-upcoming-item:hover {
    box-shadow: var(--threecal-shadow);
}

.threecal-upcoming-color {
    width: 6px;
    height: 100%;
    min-height: 40px;
    border-radius: 3px;
    flex-shrink: 0;
}

.threecal-upcoming-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.threecal-upcoming-title {
    font-weight: 600;
    color: var(--threecal-text);
}

.threecal-upcoming-date,
.threecal-upcoming-time,
.threecal-upcoming-location {
    font-size: 13px;
    color: var(--threecal-text-light);
}

/* ==========================================================================
   Single Event
   ========================================================================== */
.threecal-single-event {
    background: var(--threecal-bg);
    border-radius: var(--threecal-radius-lg);
    box-shadow: var(--threecal-shadow);
    overflow: hidden;
}

.threecal-event-featured-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.threecal-event-header {
    padding: 24px;
    border-bottom: 1px solid var(--threecal-border);
}

.threecal-single-event .threecal-event-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 16px;
}

.threecal-event-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.threecal-category-tag {
    padding: 4px 12px;
    border-radius: var(--threecal-radius-full);
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}

.threecal-event-details {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--threecal-bg-alt);
}

.threecal-detail-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.threecal-detail-row .dashicons {
    color: var(--threecal-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.threecal-event-description {
    padding: 24px;
    font-size: 16px;
    line-height: 1.8;
}

.threecal-event-map {
    height: 300px;
    background: var(--threecal-bg-alt);
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.threecal-nav-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--threecal-border);
}

.threecal-nav-pagination a,
.threecal-nav-pagination span {
    padding: 8px 14px;
    border-radius: var(--threecal-radius-sm);
    text-decoration: none;
    font-size: 14px;
    transition: var(--threecal-transition);
}

.threecal-nav-pagination a {
    color: var(--threecal-text);
    background: var(--threecal-bg-alt);
}

.threecal-nav-pagination a:hover {
    background: var(--threecal-primary);
    color: #fff;
}

.threecal-page-current {
    background: var(--threecal-primary);
    color: #fff;
}

/* ==========================================================================
   No Events
   ========================================================================== */
.threecal-no-events {
    text-align: center;
    padding: 48px;
    color: var(--threecal-text-light);
    font-size: 16px;
}

/* ==========================================================================
   Loading State
   ========================================================================== */
.threecal-loading {
    position: relative;
    min-height: 200px;
}

.threecal-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--threecal-border);
    border-top-color: var(--threecal-primary);
    border-radius: 50%;
    animation: threecal-spin 0.8s linear infinite;
}

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

/* ==========================================================================
   THEME: Minimal
   ========================================================================== */
.threecal-theme-minimal .threecal-header {
    background: transparent;
    box-shadow: none;
    padding: 0;
    margin-bottom: 24px;
}

.threecal-theme-minimal .threecal-month-grid td {
    background: transparent;
    box-shadow: none;
    border: 1px solid var(--threecal-border);
    border-radius: 0;
}

.threecal-theme-minimal .threecal-month-grid td:hover:not(.threecal-day-empty) {
    transform: none;
    background: var(--threecal-bg-alt);
}

.threecal-theme-minimal .threecal-event-dot {
    background: transparent !important;
    color: var(--threecal-text);
    border-left: 3px solid;
    border-radius: 0;
    padding-left: 8px;
}

.threecal-theme-minimal .threecal-legend {
    background: transparent;
    padding: 0;
}

/* ==========================================================================
   THEME: Gradient
   ========================================================================== */
.threecal-theme-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 24px;
    border-radius: var(--threecal-radius-lg);
}

.threecal-theme-gradient .threecal-filters,
.threecal-theme-gradient .threecal-header {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.threecal-theme-gradient .threecal-title,
.threecal-theme-gradient .threecal-month-grid th {
    color: #fff;
}

.threecal-theme-gradient .threecal-nav {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.threecal-theme-gradient .threecal-nav:hover {
    background: #fff;
    color: var(--threecal-primary);
}

.threecal-theme-gradient .threecal-today {
    border-color: #fff;
    color: #fff;
}

.threecal-theme-gradient .threecal-today:hover {
    background: #fff;
    color: var(--threecal-primary);
}

.threecal-theme-gradient .threecal-month-grid td {
    background: rgba(255, 255, 255, 0.9);
}

.threecal-theme-gradient .threecal-day.threecal-today .threecal-day-number {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.threecal-theme-gradient .threecal-legend {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.threecal-theme-gradient .threecal-legend-label {
    color: #fff;
}

/* ==========================================================================
   THEME: Glassmorphism
   ========================================================================== */
.threecal-theme-glassmorphism {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 24px;
    border-radius: var(--threecal-radius-lg);
}

.threecal-theme-glassmorphism .threecal-filters,
.threecal-theme-glassmorphism .threecal-header {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.threecal-theme-glassmorphism .threecal-category-filter {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.threecal-theme-glassmorphism .threecal-category-filter option {
    background: #1a1a2e;
    color: #fff;
}

.threecal-theme-glassmorphism .threecal-view-switcher {
    background: rgba(255, 255, 255, 0.1);
}

.threecal-theme-glassmorphism .threecal-view-btn {
    color: rgba(255, 255, 255, 0.7);
}

.threecal-theme-glassmorphism .threecal-view-btn.active {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.threecal-theme-glassmorphism .threecal-title,
.threecal-theme-glassmorphism .threecal-month-grid th {
    color: #fff;
}

.threecal-theme-glassmorphism .threecal-nav {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.threecal-theme-glassmorphism .threecal-nav:hover {
    background: rgba(99, 102, 241, 0.5);
}

.threecal-theme-glassmorphism .threecal-today {
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.threecal-theme-glassmorphism .threecal-today:hover {
    background: rgba(255, 255, 255, 0.2);
}

.threecal-theme-glassmorphism .threecal-month-grid td {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.threecal-theme-glassmorphism .threecal-month-grid td:hover:not(.threecal-day-empty) {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.threecal-theme-glassmorphism .threecal-day-number {
    color: rgba(255, 255, 255, 0.9);
}

.threecal-theme-glassmorphism .threecal-day.threecal-today .threecal-day-number {
    background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
}

.threecal-theme-glassmorphism .threecal-more-events {
    color: rgba(255, 255, 255, 0.6);
}

.threecal-theme-glassmorphism .threecal-legend {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.threecal-theme-glassmorphism .threecal-legend-label {
    color: rgba(255, 255, 255, 0.8);
}

.threecal-theme-glassmorphism .threecal-modal-content {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.threecal-theme-glassmorphism .threecal-modal-event-title,
.threecal-theme-glassmorphism .threecal-modal-event-description {
    color: #fff;
}

.threecal-theme-glassmorphism .threecal-modal-event-meta {
    background: rgba(255, 255, 255, 0.05);
}

.threecal-theme-glassmorphism .threecal-modal-meta-item {
    color: rgba(255, 255, 255, 0.8);
}

.threecal-theme-glassmorphism .threecal-modal-close {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* ==========================================================================
   THEME: Boxed
   ========================================================================== */
.threecal-theme-boxed .threecal-header {
    background: var(--threecal-primary);
    color: #fff;
    border-radius: var(--threecal-radius) var(--threecal-radius) 0 0;
}

.threecal-theme-boxed .threecal-title {
    color: #fff;
}

.threecal-theme-boxed .threecal-nav {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.threecal-theme-boxed .threecal-nav:hover {
    background: #fff;
    color: var(--threecal-primary);
}

.threecal-theme-boxed .threecal-today {
    border-color: #fff;
    color: #fff;
}

.threecal-theme-boxed .threecal-today:hover {
    background: #fff;
    color: var(--threecal-primary);
}

.threecal-theme-boxed .threecal-calendar {
    border: 2px solid var(--threecal-primary);
    border-top: none;
    border-radius: 0 0 var(--threecal-radius) var(--threecal-radius);
    padding: 16px;
    background: var(--threecal-bg);
}

.threecal-theme-boxed .threecal-month-grid {
    border-spacing: 0;
}

.threecal-theme-boxed .threecal-month-grid td {
    border-radius: 0;
    border: 1px solid var(--threecal-border);
}

.threecal-theme-boxed .threecal-legend {
    border: 2px solid var(--threecal-border);
    border-top: none;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .threecal-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .threecal-category-filter {
        min-width: 100%;
    }

    .threecal-header {
        flex-wrap: wrap;
    }

    .threecal-title {
        order: -1;
        width: 100%;
        margin-bottom: 12px;
    }

    .threecal-month-grid td {
        height: 80px;
    }

    .threecal-event-title {
        display: none;
    }

    .threecal-event-dot {
        width: 8px;
        height: 8px;
        padding: 0;
        border-radius: 50%;
    }

    .threecal-day-events {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 4px;
    }

    .threecal-grid-2,
    .threecal-grid-3,
    .threecal-grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .threecal-month-grid th {
        font-size: 11px;
        padding: 8px 4px;
    }

    .threecal-month-grid td {
        height: 60px;
    }

    .threecal-day-header {
        padding: 4px;
    }

    .threecal-day-number {
        font-size: 12px;
        width: 24px;
        height: 24px;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes threecal-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.threecal-wrapper {
    animation: threecal-fade-in 0.5s ease-out;
}

.threecal-event-card {
    animation: threecal-fade-in 0.4s ease-out;
    animation-fill-mode: both;
}

.threecal-event-card:nth-child(1) { animation-delay: 0.1s; }
.threecal-event-card:nth-child(2) { animation-delay: 0.15s; }
.threecal-event-card:nth-child(3) { animation-delay: 0.2s; }
.threecal-event-card:nth-child(4) { animation-delay: 0.25s; }
.threecal-event-card:nth-child(5) { animation-delay: 0.3s; }

/* ==========================================================================
   List View (Calendar View Switcher)
   ========================================================================== */
.threecal-list-view {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.threecal-list-day {
    background: var(--threecal-bg);
    border-radius: var(--threecal-radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--threecal-shadow-sm);
}

.threecal-list-day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--threecal-bg-alt);
    border-bottom: 1px solid var(--threecal-border);
}

.threecal-list-day-name {
    font-weight: 600;
    color: var(--threecal-text);
    font-size: 14px;
}

.threecal-list-day-date {
    font-size: 13px;
    color: var(--threecal-text-light);
}

.threecal-list-event {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--threecal-border);
    cursor: pointer;
    transition: var(--threecal-transition);
}

.threecal-list-event:last-child {
    border-bottom: none;
}

.threecal-list-event:hover {
    background: var(--threecal-bg-alt);
}

.threecal-list-event-color {
    width: 4px;
    height: 36px;
    border-radius: 2px;
    flex-shrink: 0;
}

.threecal-list-event-content {
    flex: 1;
    min-width: 0;
}

.threecal-list-event-title {
    font-weight: 600;
    color: var(--threecal-text);
    font-size: 15px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.threecal-list-event-time {
    font-size: 13px;
    color: var(--threecal-text-light);
}

.threecal-list-view .threecal-no-events {
    text-align: center;
    padding: 48px 24px;
    background: var(--threecal-bg);
    border-radius: var(--threecal-radius-sm);
    color: var(--threecal-text-light);
}

/* List View Theme Adjustments */
.threecal-theme-glassmorphism .threecal-list-day {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.threecal-theme-glassmorphism .threecal-list-day-header {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

.threecal-theme-glassmorphism .threecal-list-day-name,
.threecal-theme-glassmorphism .threecal-list-event-title {
    color: #fff;
}

.threecal-theme-glassmorphism .threecal-list-day-date,
.threecal-theme-glassmorphism .threecal-list-event-time {
    color: rgba(255, 255, 255, 0.7);
}

.threecal-theme-glassmorphism .threecal-list-event {
    border-color: rgba(255, 255, 255, 0.1);
}

.threecal-theme-glassmorphism .threecal-list-event:hover {
    background: rgba(255, 255, 255, 0.1);
}

.threecal-theme-gradient .threecal-list-day {
    background: rgba(255, 255, 255, 0.95);
}

.threecal-theme-gradient .threecal-list-view .threecal-no-events {
    background: rgba(255, 255, 255, 0.95);
}