/* ===== متغيرات الألوان الأساسية ===== */
:root {
    --primary-color: #3e4f6b;
    --secondary-color: #d2a592;
    --third-color: #2c3e50;
    --body-bg: #f5f0eb;
    --card-bg: #ffffff;
    --border-color: rgba(62, 79, 107, 0.15);
    --text-color: #2c3e50;
    --shadow-color: rgba(62, 79, 107, 0.1);
    --transition-speed: 0.3s;
}

/* ===== الثيم الداكن ===== */
.dark-theme {
    --body-bg: #1a1a2e;
    --card-bg: #16213e;
    --border-color: rgba(210, 165, 146, 0.2);
    --text-color: #e8d5c4;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* ===== إعادة تعيين عامة ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: var(--body-bg);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    min-height: 100vh;
}

/* ===== الهيدر ===== */
.main-header {
    background: var(--card-bg);
    border-bottom: 2px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow-color);
    transition: all var(--transition-speed);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header-logo a {
    text-decoration: none;
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}

.header-logo i {
    font-size: 28px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
    flex-wrap: wrap;
}

.main-nav ul li a {
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav ul li a:hover {
    background: var(--primary-color);
    color: #fff !important;
    transform: translateY(-2px);
}

.main-nav ul li a.active {
    background: var(--primary-color);
    color: #fff !important;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-color);
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
}

.control-btn:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
}

.mobile-menu {
    display: none;
    width: 100%;
    padding: 15px 20px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu ul li a {
    display: block;
    padding: 12px 0;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-speed);
}

.mobile-menu ul li a:hover {
    color: var(--primary-color);
    padding-right: 10px;
}

/* ===== أزرار الدخول ===== */
.login-btn, .register-btn {
    padding: 8px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: none;
    font-size: 14px;
}

.login-btn {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--primary-color);
}

.login-btn:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(62, 79, 107, 0.3);
}

.register-btn {
    background: var(--primary-color);
    color: #fff;
    border: 2px solid var(--primary-color);
}

.register-btn:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(210, 165, 146, 0.4);
}

/* ===== بطاقات الشاليهات ===== */
.chalet-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-speed);
    position: relative;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.chalet-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--shadow-color);
}

/* ===== السلايدر ===== */
.image-slider {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--body-bg);
}

.image-slider .slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    will-change: transform;
}

.image-slider .slider-track img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.image-slider .slider-track img.loaded {
    opacity: 1;
}

/* ===== مؤشر التحميل المميز ===== */
.image-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--body-bg);
    z-index: 5;
    transition: opacity 0.3s ease;
}

.spinner-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.spinner-ring {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid transparent;
    animation: spinRing 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.spinner-ring:nth-child(1) {
    border-top-color: var(--primary-color);
    animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
    width: 48px;
    height: 48px;
    border-top-color: var(--secondary-color);
    animation-delay: 0.3s;
}

.spinner-ring:nth-child(3) {
    width: 36px;
    height: 36px;
    border-top-color: #e74c3c;
    animation-delay: 0.6s;
}

@keyframes spinRing {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.1);
    }
    100% {
        transform: rotate(360deg) scale(1);
    }
}

.spinner-text {
    margin-top: 70px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    animation: pulseText 1.5s ease-in-out infinite;
}

@keyframes pulseText {
    0%, 100% {
        opacity: 0.6;
        transform: scale(0.95);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* ===== أزرار السلايدر ===== */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(62, 79, 107, 0.7);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    transition: all var(--transition-speed);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.slider-arrow:hover {
    background: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev { left: 10px; }
.slider-arrow.next { right: 10px; }

.slider-nav {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

.slider-nav .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all var(--transition-speed);
    border: 2px solid transparent;
    padding: 0;
}

.slider-nav .dot.active {
    background: #fff;
    transform: scale(1.2);
    border-color: var(--secondary-color);
}

.slider-nav .dot:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

/* ===== محتوى البطاقة ===== */
.chalet-content {
    padding: 20px;
}

.chalet-content h3 {
    margin: 0 0 8px 0;
    font-size: 20px;
    color: var(--text-color);
    font-weight: 700;
}

.chalet-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 10px 0;
}

.chalet-price span {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.7;
}

.chalet-desc {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 65px;
    color: var(--text-color);
}

.season-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), #c0392b);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
    animation: pulseBadge 2s infinite;
}

@keyframes pulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.btn-details {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-decoration: none;
    margin-top: 15px;
    font-size: 15px;
}

.btn-details:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(62, 79, 107, 0.3);
}

/* ===== زر البحث ===== */
.btn-search {
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.btn-search:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(62, 79, 107, 0.3);
}

/* ===== شاشة التحميل ===== */
.loading-screen {
    text-align: center;
    grid-column: 1/-1;
    padding: 60px;
}

.loading-screen .loader {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-screen .loader-text {
    font-size: 18px;
    opacity: 0.7;
    color: var(--text-color);
}

/* ===== استجابة للجوال ===== */
@media (max-width: 992px) {
    .main-nav { display: none; }
    .mobile-menu-btn { display: block; }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
        order: 3;
    }
    
    .user-menu {
        flex: 1;
    }
    
    .header-controls {
        flex-shrink: 0;
    }
    
    .image-slider {
        height: 220px;
    }
    
    .chalet-content h3 {
        font-size: 17px;
    }
    
    .chalet-price {
        font-size: 19px;
    }
}

@media (max-width: 480px) {
    .image-slider {
        height: 180px;
    }
    
    .slider-arrow {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    
    .modal-box {
        padding: 20px;
    }
}