/* ============================================
   التنسيقات الأساسية
   ============================================ */

:root {
    --primary: #2c1810;
    --secondary: #8b4513;
    --accent: #d4af37;
    --dark: #1a0f08;
    --light: #faf8f5;
    --white-square: #f0d9b5;
    --black-square: #b58863;
    --gold: #ffd700;
    --silver: #c0c0c0;
    --bronze: #cd7f32;
}

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

body {
    font-family: 'Tajawal', sans-serif;
    background: var(--light);
    direction: rtl;
    overflow-x: hidden;
}

/* خلفية رقعة الشطرنج */
.chess-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
    background-image: 
        repeating-linear-gradient(0deg, var(--black-square) 0px, var(--black-square) 40px, transparent 40px, transparent 80px),
        repeating-linear-gradient(90deg, var(--black-square) 0px, var(--black-square) 40px, transparent 40px, transparent 80px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 20px;
    position: relative;
    z-index: 1;
}

/* الأزرار */
.btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 16px 45px;
    border: none;
    border-radius: 10px;
    font-size: 1.15em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Tajawal', sans-serif;
    box-shadow: 0 5px 20px rgba(44,24,16,0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(44,24,16,0.45);
}

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

.btn-danger {
    background: #dc3545;
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.95em;
}

/* النماذج */
.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--dark);
    font-size: 1.15em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1.05em;
    font-family: 'Tajawal', sans-serif;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(212,175,55,0.15);
}

.form-group textarea {
    min-height: 160px;
    resize: vertical;
}

/* رسائل */
.error-message {
    background: #fee;
    color: #c00;
    padding: 12px;
    border-radius: 8px;
    margin-top: 10px;
    border: 1px solid #fcc;
}

.success-message {
    background: #efe;
    color: #060;
    padding: 12px;
    border-radius: 8px;
    margin-top: 10px;
    border: 1px solid #cfc;
}

/* النوافذ المنبثقة */
.modal {
    display: block;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
    overflow-y: auto;
    overflow-x: hidden;
}

.modal-content {
    background-color: white;
    margin: 50px auto;
    padding: 40px;
    border-radius: 20px;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    animation: slideDown 0.3s;
    position: relative;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* أدوات مساعدة */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

/* التبويبات */
.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 35px;
    border-bottom: 2px solid #e0e0e0;
    flex-wrap: wrap;
}

.tab {
    padding: 16px 32px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1.12em;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Tajawal', sans-serif;
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--accent);
}

.tab:hover {
    color: var(--primary);
    background: rgba(212,175,55,0.05);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

/* التصميم المتجاوب */
@media (max-width: 768px) {
    .container {
        padding: 20px 12px;
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    .modal-content {
        margin: 15% 10px;
        padding: 20px 15px;
        width: calc(100% - 20px) !important;
        max-width: calc(100% - 20px) !important;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 1em;
        display: inline-block;
        text-align: center;
        width: auto;
    }
    
    .btn-small {
        padding: 10px 16px;
        font-size: 0.9em;
    }
    
    /* Form groups */
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group label {
        font-size: 1em;
        margin-bottom: 8px;
    }
    
    /* Empty states */
    .empty-state {
        padding: 30px 20px;
    }
    
    .empty-icon {
        font-size: 3em;
    }
    
    h1, h2, h3, h4 {
        word-wrap: break-word;
    }
}