/* ========================================
   University Calendar System - Professional Styles
   ======================================== */

/* CSS Variables for Easy Customization */
:root {
    --ufs-primary: #2563eb;
    --ufs-primary-dark: #1e40af;
    --ufs-success: #10b981;
    --ufs-warning: #f59e0b;
    --ufs-danger: #ef4444;
    --ufs-gray-50: #f9fafb;
    --ufs-gray-100: #f3f4f6;
    --ufs-gray-200: #e5e7eb;
    --ufs-gray-300: #d1d5db;
    --ufs-gray-500: #6b7280;
    --ufs-gray-700: #374151;
    --ufs-gray-900: #111827;
    --ufs-border-radius: 12px;
    --ufs-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --ufs-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --ufs-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --ufs-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Wrapper & Container
   ======================================== */

.ufs-calendar-wrapper {
    font-family: 'Tajawal', 'Cairo', 'Segoe UI', sans-serif;
    direction: rtl;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* ========================================
   Filters Section
   ======================================== */

.ufs-calendar-filters {
    background: white;
    border-radius: var(--ufs-border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--ufs-shadow-md);
    border: 1px solid var(--ufs-gray-200);
}

.ufs-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ufs-filter-item {
    flex: 1;
    min-width: 200px;
}

.ufs-filter-item label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--ufs-gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.ufs-filter-item label svg {
    color: var(--ufs-primary);
}

.ufs-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--ufs-gray-200);
    border-radius: 8px;
    font-size: 0.95rem;
    background: var(--ufs-gray-50);
    color: var(--ufs-gray-900);
    transition: var(--ufs-transition);
    font-family: inherit;
}

.ufs-select:hover {
    border-color: var(--ufs-gray-300);
    background: white;
}

.ufs-select:focus {
    outline: none;
    border-color: var(--ufs-gray-300);
    background: white;
}

/* Custom Dropdown */
.ufs-dropdown {
    position: relative;
    width: 100%;
}

.ufs-dropdown-trigger {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--ufs-gray-200);
    border-radius: 8px;
    font-size: 0.95rem;
    background: var(--ufs-gray-50);
    color: var(--ufs-gray-900);
    font-family: inherit;
    font-weight: 400;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    text-align: right;
    transition: var(--ufs-transition);
}

.ufs-dropdown-trigger:hover {
    border-color: var(--ufs-gray-300);
    background: white;
}

.ufs-dropdown.open .ufs-dropdown-trigger {
    border-color: var(--ufs-gray-300);
    background: white;
}

.ufs-dropdown-label {
    flex: 1;
}

.ufs-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    left: 0;
    background: white;
    border: 2px solid var(--ufs-gray-200);
    border-radius: 8px;
    box-shadow: var(--ufs-shadow-md);
    z-index: 100;
    overflow: hidden;
}

.ufs-dropdown.open .ufs-dropdown-menu {
    display: block;
}

.ufs-dropdown-item {
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
    color: var(--ufs-gray-900);
    cursor: pointer;
    transition: background 0.15s;
    font-family: inherit;
}

.ufs-dropdown-item:hover {
    background: var(--ufs-gray-50);
}

.ufs-dropdown-item.active {
    background: var(--ufs-gray-100);
    font-weight: 600;
    color: var(--ufs-primary);
}

/* Toggle Switch */
.ufs-filter-toggle {
    display: flex;
    align-items: flex-end;
}

.ufs-switch-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.ufs-switch-input {
    position: relative;
    width: 52px;
    height: 28px;
    appearance: none;
    background: var(--ufs-gray-300);
    border-radius: 14px;
    outline: none;
    cursor: pointer;
    transition: var(--ufs-transition);
}

.ufs-switch-input:checked {
    background: var(--ufs-primary);
}

.ufs-switch-input::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 0px;
    transition: var(--ufs-transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.ufs-switch-input:checked::before {
    transform: translateX(24px);
}

.ufs-switch-text {
    font-weight: 600;
    color: var(--ufs-gray-700);
    font-size: 0.95rem;
}

/* Search Box */
.ufs-search-row {
    margin-top: 1rem;
}

.ufs-search-box {
    position: relative;
    max-width: 500px;
}

.ufs-search-box svg {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ufs-gray-500);
    pointer-events: none;
}

.ufs-search-input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    border: 2px solid var(--ufs-gray-200);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--ufs-gray-50);
    transition: var(--ufs-transition);
    font-family: inherit;
}

.ufs-search-input:hover {
    border-color: var(--ufs-gray-300);
    background: white;
}

.ufs-search-input:focus {
    outline: none;
    border-color: var(--ufs-primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.ufs-search-input::placeholder {
    color: var(--ufs-gray-500);
}

/* ========================================
   Legend
   ======================================== */

.ufs-calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: var(--ufs-border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--ufs-shadow-sm);
    border: 1px solid var(--ufs-gray-200);
}

.ufs-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--ufs-gray-700);
    font-weight: 500;
}

.ufs-legend-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8);
}

.ufs-status-upcoming {
    background: var(--ufs-gray-300);
}

.ufs-status-active {
    background: var(--ufs-success);
}

.ufs-status-lastday {
    background: var(--ufs-warning);
}

.ufs-status-closed {
    background: var(--ufs-danger);
}

/* ========================================
   Table Container
   ======================================== */

.ufs-table-container {
    background: white;
    border-radius: var(--ufs-border-radius);
    box-shadow: var(--ufs-shadow-md);
    overflow: hidden;
    border: 1px solid var(--ufs-gray-200);
}

/* ========================================
   Table Styling
   ======================================== */

.ufs-calendar-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.ufs-calendar-table thead {
    background: linear-gradient(135deg, var(--ufs-primary) 0%, var(--ufs-primary-dark) 100%);
    color: white;
}

.ufs-calendar-table thead th {
    padding: 1rem;
    font-weight: 600;
    text-align: center;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.ufs-calendar-table tbody tr {
    border-bottom: 1px solid var(--ufs-gray-200);
    transition: var(--ufs-transition);
}

.ufs-calendar-table tbody tr:last-child {
    border-bottom: none;
}

.ufs-calendar-table tbody tr:hover {
    background: var(--ufs-gray-50);
}

.ufs-calendar-table tbody td {
    padding: 1rem;
    text-align: center;
    vertical-align: middle;
}

/* Column Widths */
.ufs-col-index {
    width: 60px;
}

.ufs-col-university {
    min-width: 200px;
    text-align: right;
}

.ufs-col-city {
    width: 120px;
}

.ufs-col-date {
    width: 130px;
}

.ufs-col-certificates {
    min-width: 150px;
}

.ufs-col-fee {
    width: 130px;
}

.ufs-col-actions {
    width: 120px;
}

.ufs-col-type {
    width: 100px;
}

/* Summer Calendar — University TR name */
.ufs-university-name-tr {
    display: block;
    font-size: 0.8rem;
    color: var(--ufs-gray-500);
    font-weight: 400;
    margin-top: 2px;
}

/* Summer Calendar — Details Status Badges */
.ufs-btn-coming-soon {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

.ufs-btn-unavailable {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Date-based Status Colors */
.ufs-calendar-row[data-status="upcoming"] .ufs-col-university {
    background: var(--ufs-gray-100);
    color: var(--ufs-gray-700);
}

.ufs-calendar-row[data-status="active"] .ufs-col-university {
    background: rgba(16, 185, 129, 0.15);
    color: #065f46;
    font-weight: 600;
}

.ufs-calendar-row[data-status="lastday"] .ufs-col-university {
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
    font-weight: 600;
}

.ufs-calendar-row[data-status="closed"] .ufs-col-university {
    background: rgba(239, 68, 68, 0.15);
    color: #991b1b;
}

/* Detail Button */
.ufs-btn-details {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--ufs-primary);
    color: white !important;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--ufs-transition);
    box-shadow: var(--ufs-shadow-sm);
}

.ufs-btn-details:hover {
    background: var(--ufs-primary-dark);
}

.ufs-btn-details svg {
    width: 14px;
    height: 14px;
}

/* Empty State */
.ufs-no-data {
    background: transparent;
}

.ufs-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ufs-gray-500);
}

.ufs-empty-state svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.ufs-empty-state p {
    font-size: 1.1rem;
    margin: 0;
}

/* ========================================
   Results Footer
   ======================================== */

.ufs-results-footer {
    padding: 1rem 1.5rem;
    background: white;
    border-radius: var(--ufs-border-radius);
    margin-top: 1.5rem;
    box-shadow: var(--ufs-shadow-sm);
    border: 1px solid var(--ufs-gray-200);
}

.ufs-results-count {
    margin: 0;
    text-align: center;
    color: var(--ufs-gray-700);
    font-weight: 500;
    font-size: 0.95rem;
}

.ufs-results-count span {
    font-weight: 700;
    color: var(--ufs-primary);
}

/* ========================================
   Responsive Design - Mobile First
   ======================================== */

/* Tablets (768px and below) */
@media (max-width: 768px) {
    .ufs-calendar-wrapper {
        padding: 0 0.5rem;
        margin: 1rem auto;
    }

    .ufs-calendar-filters {
        padding: 1rem;
    }

    .ufs-filter-row {
        flex-direction: column;
        gap: 1rem;
    }

    .ufs-filter-item {
        min-width: 100%;
    }

    .ufs-filter-toggle {
        align-items: flex-start;
    }

    .ufs-calendar-legend {
        gap: 0.7rem;
        padding: 0.75rem 1rem;
    }

    .ufs-legend-item {
        font-size: 0.85rem;
    }

    /* Table becomes scrollable horizontally */
    .ufs-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .ufs-calendar-table {
        min-width: 800px;
    }

    .ufs-calendar-table thead th,
    .ufs-calendar-table tbody td {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }

    .ufs-btn-details {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .ufs-results-footer {
        padding: 0.75rem 1rem;
    }

    .ufs-col-university {
        min-width: unset;
        width: auto;
    }

    .ufs-col-city {
        width: auto;
    }

    .ufs-col-date {
        width: auto;
    }

    .ufs-col-fee {
        width: auto;
    }

    .ufs-col-index {
        width: auto;
    }

    .ufs-col-actions {
        width: auto;
    }
}

/* Mobile Phones (480px and below) */
@media (max-width: 480px) {
    .ufs-calendar-wrapper {
        margin: 0.5rem auto;
    }

    .ufs-calendar-filters,
    .ufs-table-container,
    .ufs-calendar-legend,
    .ufs-results-footer {
        border-radius: 8px;
    }

    .ufs-calendar-table thead th,
    .ufs-calendar-table thead th,
    .ufs-calendar-table tbody td {
        padding: 0.6rem 0.4rem;
        font-size: 0.8rem;
    }

    .ufs-col-university strong {
        font-size: 0.85rem;
    }

    .ufs-btn-details {
        padding: 0.35rem 0.6rem;
        font-size: 0.8rem;
        gap: 0.25rem;
    }

    .ufs-btn-details svg {
        width: 12px;
        height: 12px;
    }

    .ufs-legend-item {
        font-size: 0.8rem;
    }

    .ufs-legend-dot {
        width: 12px;
        height: 12px;
    }
}

/* ========================================
   Loading States
   ======================================== */

.ufs-calendar-row.ufs-loading {
    opacity: 0.5;
    pointer-events: none;
}

/* ========================================
   Accessibility
   ======================================== */

.ufs-calendar-table:focus-visible,
.ufs-search-input:focus-visible,
.ufs-btn-details:focus-visible {
    outline: 2px solid var(--ufs-primary);
    outline-offset: 2px;
}

.ufs-select:focus-visible {
    outline: none;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .ufs-calendar-filters,
    .ufs-calendar-legend,
    .ufs-btn-details {
        display: none;
    }

    .ufs-calendar-wrapper {
        max-width: 100%;
    }

    .ufs-calendar-table {
        box-shadow: none;
    }

    .ufs-calendar-row:hover {
        transform: none;
        background: transparent;
    }
}