* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Accessibility: Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:root {
    --primary-color: #1a202c;
    --secondary-color: #667eea;
    --accent-color: #f56565;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --light-bg: #f7fafc;
    --dark-text: #2d3748;
    --light-text: #718096;
    --border-color: #e2e8f0;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-hover: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-soft: 0 2px 15px rgba(102, 126, 234, 0.1);
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom, #f7fafc 0%, #edf2f7 100%);
    color: var(--dark-text);
    line-height: 1.8;
    min-height: 100vh;
}

body[dir="rtl"] {
    direction: rtl;
}

body[dir="ltr"] {
    direction: ltr;
}

body[dir="ltr"] th,
body[dir="ltr"] td {
    text-align: left;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background: var(--gradient-1);
    color: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow-hover);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

header h1 {
    font-size: 1.6em;
    font-weight: 700;
    white-space: nowrap;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

nav a {
    color: var(--white);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95em;
    white-space: nowrap;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-1px);
}

/* Cards */
.villa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.villa-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.villa-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary-color);
}

.villa-image {
    width: 100%;
    height: 280px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4em;
    position: relative;
    overflow: hidden;
}

.villa-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
}

.villa-status {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--success-color);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75em;
    font-weight: 600;
    z-index: 2;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    border: 1px solid var(--success-color);
}

.villa-status.closed {
    background: rgba(255, 255, 255, 0.95);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.villa-content {
    padding: 20px;
}

.villa-content h3 {
    font-size: 1.6em;
    margin-bottom: 12px;
    color: var(--primary-color);
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.villa-content p {
    color: var(--light-text);
    margin-bottom: 15px;
}

.villa-price {
    font-size: 2em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    margin: 15px 0;
}

/* Enhanced Villa Cards for Mobile */
@media (max-width: 768px) {
    .villa-card {
        margin-bottom: 20px;
    }
    
    .villa-image {
        height: 280px; /* Larger images on mobile */
        border-radius: 15px 15px 0 0;
    }
    
    .villa-status {
        font-size: 1em;
        padding: 10px 18px;
    }
    
    .villa-content {
        padding: 25px 20px;
    }
    
    .villa-content h3 {
        font-size: 1.8em;
        margin-bottom: 15px;
    }
    
    .villa-content p {
        font-size: 1.05em;
        line-height: 1.7;
        margin-bottom: 20px;
    }
    
    .villa-price {
        font-size: 2.4em;
        margin: 20px 0;
    }
    
    .villa-price span {
        font-size: 0.4em;
        display: block;
        margin-top: 5px;
    }
    
    .villa-content .btn {
        width: 100%;
        padding: 18px;
        font-size: 1.1em;
        font-weight: 600;
        border-radius: 12px;
        display: block;
        text-align: center;
        position: relative;
        z-index: 10;
    }
}

.villa-price span {
    font-size: 0.5em;
    color: var(--light-text);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 35px;
    background: var(--gradient-1);
    color: var(--white);
    text-decoration: none;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1em;
    font-weight: 600;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.2);
    transition: left 0.5s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--secondary-color);
}

.btn-success {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
}

.btn-danger {
    background: var(--gradient-2);
}

.btn-warning {
    background: var(--warning-color);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9em;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: none;
}

.alert.show {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Tables */
table {
    width: 100%;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border-collapse: collapse;
}

thead {
    background: var(--gradient-1);
    color: var(--white);
    font-weight: 600;
}

th, td {
    padding: 15px;
    text-align: right;
}

tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

tbody tr:hover {
    background: var(--light-bg);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 25px;
    font-size: 0.85em;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.badge-confirmed {
    background: #d4edda;
    color: #155724;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-cancelled {
    background: #f8d7da;
    color: #721c24;
}

.badge-completed {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-in-progress {
    background: #cce5ff;
    color: #004085;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    padding: 40px;
    border-radius: 25px;
    max-width: 650px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlide 0.3s ease;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.close {
    font-size: 2em;
    cursor: pointer;
    color: var(--light-text);
    transition: color 0.3s;
}

.close:hover {
    color: var(--accent-color);
}

/* Calendar */
.calendar {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-top: 20px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
}

.calendar-day {
    padding: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.2s;
}

.calendar-day:hover {
    background: var(--light-bg);
}

.calendar-day.booked {
    background: var(--accent-color);
    color: var(--white);
    cursor: not-allowed;
}

.calendar-day.available {
    background: var(--success-color);
    color: var(--white);
}

/* Loading */
.loading {
    display: none;
    text-align: center;
    padding: 20px;
}

.loading.show {
    display: block;
}

.spinner {
    border: 4px solid var(--light-bg);
    border-top: 4px solid var(--secondary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Updating overlay */
.updating-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.updating-overlay.show {
    display: flex;
}

.updating-content {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-hover);
    animation: scaleIn 0.3s ease;
}

.updating-content .spinner {
    width: 60px;
    height: 60px;
    border-width: 5px;
    margin-bottom: 20px;
}

.updating-content p {
    font-size: 1.2em;
    color: var(--primary-color);
    font-weight: 600;
}

/* Footer */
footer {
    background: var(--gradient-1);
    color: var(--white);
    text-align: center;
    padding: 30px;
    margin-top: 80px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

footer p {
    font-size: 1.05em;
    font-weight: 500;
}

/* Responsive */
/* Language & Currency Selectors */
.nav-selector {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 6px 14px;
    color: white;
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    outline: none;
}

.nav-selector:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.nav-selector option {
    background: var(--primary-color);
    color: white;
    padding: 8px;
}

/* ============================================
   MOBILE OPTIMIZATIONS - Touch-Friendly Design
   ============================================ */

/* Hamburger Menu */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.8em;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    min-width: 44px;
    min-height: 44px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    box-shadow: -5px 0 25px rgba(0,0,0,0.3);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    padding: 80px 0 20px;
}

[dir="rtl"] .mobile-nav {
    right: auto;
    left: 0;
    transform: translateX(-100%);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-nav a,
.mobile-nav select {
    display: block;
    padding: 18px 25px;
    color: white;
    text-decoration: none;
    font-size: 1.1em;
    transition: all 0.3s;
    min-height: 56px;
    display: flex;
    align-items: center;
}

.mobile-nav a:active,
.mobile-nav select:active {
    background: rgba(255,255,255,0.1);
}

.mobile-nav select {
    width: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
}

/* Bottom Navigation Bar */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -3px 15px rgba(0,0,0,0.1);
    z-index: 100;
    padding: 8px 0 max(8px, env(safe-area-inset-bottom));
}

.bottom-nav ul {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.bottom-nav li {
    flex: 1;
    text-align: center;
}

.bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    color: var(--light-text);
    text-decoration: none;
    font-size: 0.75em;
    transition: all 0.3s;
    min-width: 60px;
    min-height: 56px;
    justify-content: center;
}

.bottom-nav a:active,
.bottom-nav a.active {
    color: var(--secondary-color);
    transform: scale(1.05);
}

.bottom-nav .nav-icon {
    font-size: 1.6em;
}

/* Touch-friendly buttons */
.btn {
    min-height: 44px;
    min-width: 44px;
    touch-action: manipulation;
}

/* Improved Tables for Mobile */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    margin-bottom: 20px;
}

.table-container::after {
    content: '→';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(to left, white 50%, transparent);
    padding: 10px 15px;
    font-size: 1.5em;
    color: var(--secondary-color);
    pointer-events: none;
}

[dir="rtl"] .table-container::after {
    content: '←';
    right: auto;
    left: 0;
    background: linear-gradient(to right, white 50%, transparent);
}

/* Mobile Card View for Tables */
.mobile-card-view {
    display: none;
}

.mobile-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary-color);
}

[dir="rtl"] .mobile-card {
    border-left: none;
    border-right: 4px solid var(--secondary-color);
}

.mobile-card-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-card-row:last-child {
    border-bottom: none;
}

.mobile-card-label {
    font-weight: 600;
    color: var(--light-text);
    font-size: 0.9em;
}

.mobile-card-value {
    color: var(--dark-text);
    font-weight: 500;
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

@media (max-width: 768px) {
    /* Show mobile navigation */
    .mobile-menu-toggle {
        display: block;
    }
    
    header nav {
        display: none;
    }
    
    .mobile-nav,
    .mobile-nav-overlay {
        display: block;
    }
    
    .bottom-nav {
        display: block;
    }
    
    /* Add padding for bottom nav */
    body {
        padding-bottom: 70px;
    }
    
    /* Villa grid */
    .villa-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Calendar legend mobile - keep in one row */
    .calendar-legend {
        gap: 8px !important;
        padding: 10px !important;
    }
    
    .calendar-legend > div {
        padding: 6px 10px !important;
        font-size: 0.85em !important;
    }
    
    .calendar-legend > div > div {
        width: 16px !important;
        height: 16px !important;
    }
    
    .calendar-legend > div > span {
        font-size: 0.8em !important;
    }
    
    /* Header adjustments */
    header .container {
        flex-direction: row;
        justify-content: space-between;
        gap: 15px;
    }
    
    header h1 {
        font-size: 1.2em;
    }
    
    /* Table mobile view */
    .table-container table {
        display: none;
    }
    
    .mobile-card-view {
        display: block;
    }
    
    /* Larger touch targets */
    input, select, textarea, button {
        min-height: 48px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Form improvements */
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 14px;
        font-size: 1em;
    }
    
    /* Button spacing */
    .btn {
        padding: 14px 24px;
        font-size: 1em;
        margin: 8px 4px;
    }
    
    /* Stat cards */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    /* Service grid */
    .service-list {
        grid-template-columns: 1fr;
    }
    
    /* Reduce animations on mobile */
    * {
        animation-duration: 0.3s !important;
        transition-duration: 0.3s !important;
    }
    
    /* Container padding */
    .container {
        padding: 15px;
    }
    
    /* Modal improvements */
    .modal-content {
        width: 95vw !important;
        max-width: 95vw !important;
        margin: 10px auto;
    }
}

/* Admin specific styles */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-card h3 {
    color: var(--light-text);
    font-size: 0.95em;
    margin-bottom: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-card .number {
    font-size: 3em;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.filters {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filters select,
.filters input {
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
}

/* Service list */
.service-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.service-item {
    background: var(--white);
    padding: 25px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary-color);
}

.service-item h4 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 1.2em;
}

.service-item p {
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-price {
    font-size: 1.8em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}