/* ==================== متغیرها - طراحی مینیمال ==================== */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #161616;
    --border-color: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --transition: all 0.2s ease;
}

/* ==================== ریست و پایه ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-primary);
}

/* اصلاح اصلی: تبدیل main-content به فلکس باکس برای قرارگیری دکمه در وسط */
.candle-gallery-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 32px 60px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

/* ==================== دکمه بازگشت اول - مینیمال ==================== */
.candle-gallery-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 48px;
    width: fit-content;
}

.candle-gallery-back-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateX(4px);
}

/* ==================== هدر صفحه - مینیمال ==================== */
.candle-gallery-header {
    margin-bottom: 48px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

.candle-gallery-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.candle-gallery-header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.candle-gallery-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 700px;
}

/* ==================== گالری پیش‌نمایش (Hero) - مینیمال ==================== */
.candle-gallery-hero {
    margin-bottom: 64px;
}

.candle-gallery-hero-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.candle-gallery-hero-item {
    position: relative;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    aspect-ratio: 16/9;
}

.candle-gallery-hero-item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.candle-gallery-hero-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.candle-gallery-hero-item:hover img {
    transform: scale(1.02);
}

/* ==================== گالری اصلی ==================== */
.candle-gallery-section {
    margin-top: 48px;
    margin-bottom: 48px;
}

.candle-gallery-section-title {
    text-align: center;
    margin-bottom: 25px;
    font-size: 1.2rem;
    color: var(--accent);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.candle-gallery-section-title::before,
.candle-gallery-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.candle-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.candle-gallery-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    aspect-ratio: 16/9;
}

.candle-gallery-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.candle-gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.candle-gallery-card:hover img {
    transform: scale(1.02);
}

/* ==================== دکمه بازگشت دوم (جدید) - وسط و برجسته ==================== */
.candle-gallery-back-btn2 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
    border: none;
    border-radius: 12px;
    padding: 14px 32px;
    color: white;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    width: fit-content;
    letter-spacing: 0.3px;
    margin-top: auto;
    align-self: center;
}

.candle-gallery-back-btn2:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
}

.candle-gallery-back-btn2:active {
    transform: translateY(0);
}

.candle-gallery-back-btn2 span:first-child {
    transition: transform 0.2s ease;
}

.candle-gallery-back-btn2:hover span:first-child {
    transform: translateX(4px);
}

/* ==================== لایت‌باکس مدرن و ساده ==================== */
.candle-gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.candle-gallery-lightbox.active {
    display: flex;
    opacity: 1;
}

.candle-gallery-lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
}

.candle-gallery-lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    color: white;
    transition: var(--transition);
}

.candle-gallery-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.candle-gallery-lightbox-prev,
.candle-gallery-lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    color: white;
    transition: var(--transition);
}

.candle-gallery-lightbox-prev {
    left: 24px;
}

.candle-gallery-lightbox-next {
    right: 24px;
}

.candle-gallery-lightbox-prev:hover,
.candle-gallery-lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.candle-gallery-lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ==================== نکات معاملاتی حرفه‌ای (Professional Tips) ==================== */
.professional-tips {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

.tip-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
}

.tip-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.tip-card h2 {
    color: var(--accent);
    margin-bottom: 12px;
    font-size: 1rem;
}

.tip-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.tip-card strong {
    color: var(--text-primary);
}

/* ==================== دسکتاپ عریض (بالای 1600px) ==================== */
@media (min-width: 1600px) {
    .candle-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .professional-tips {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .candle-gallery-main {
        max-width: 1600px;
        padding: 80px 48px 60px;
    }
}

/* ==================== تبلت (حالت افقی) ==================== */
@media (min-width: 1025px) and (max-width: 1366px) {
    .candle-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .candle-gallery-main {
        padding: 70px 28px 50px;
    }
}

/* ==================== تبلت (حالت عمودی) ==================== */
@media (min-width: 769px) and (max-width: 1024px) {
    .candle-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    
    .professional-tips {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    
    .candle-gallery-main {
        padding: 60px 24px 45px;
        max-width: 100%;
    }
    
    .candle-gallery-hero-grid {
        gap: 18px;
    }
}

/* ==================== موبایل ==================== */
@media (max-width: 768px) {
    .candle-gallery-main {
        padding: 50px 16px 35px;
        max-width: 100%;
    }
    
    .candle-gallery-header h1 {
        font-size: 1.5rem;
    }
    
    .candle-gallery-hero-grid {
        gap: 12px;
        grid-template-columns: 1fr;
    }
    
    .candle-gallery-grid {
        gap: 14px;
        grid-template-columns: 1fr;
    }
    
    .candle-gallery-card {
        aspect-ratio: 16/9;
    }
    
    .candle-gallery-lightbox-prev,
    .candle-gallery-lightbox-next {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .candle-gallery-lightbox-close {
        width: 32px;
        height: 32px;
        font-size: 20px;
        top: 16px;
        right: 16px;
    }
    
    .candle-gallery-back-btn2 {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .professional-tips {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .tip-card {
        padding: 16px;
    }
    
    .tip-card p {
        font-size: 0.9rem;
    }
}

/* ==================== موبایل کوچک ==================== */
@media (max-width: 480px) {
    .candle-gallery-main {
        padding: 40px 12px 30px;
    }
    
    .candle-gallery-section-title {
        font-size: 1rem;
    }
    
    .candle-gallery-back-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
        margin-bottom: 32px;
    }
    
    .candle-gallery-back-btn2 {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .tip-card h2 {
        font-size: 0.9rem;
    }
}

/* ==================== اسکرول بار ==================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}