/**
 * Custom Styles for AI Chatbot
 * تم روشن با رنگ خاکستری مردانه پررنگ
 */

:root {
    --primary-color: #4a5568;
    --primary-dark: #2d3748;
    --primary-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --text-dark: #1a202c;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --border-light: #edf2f7;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    font-family: 'Vazir', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.6;
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.border-primary { border-color: var(--primary-color) !important; }

/* Buttons */
.btn {
    font-weight: 600;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Cards */
.card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    font-weight: 600;
}

/* Forms */
.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 85, 104, 0.1);
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* Alerts */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Spinners */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 4px;
}

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Badge */
.badge {
    font-weight: 600;
    padding: 0.35em 0.65em;
    border-radius: 0.375rem;
}

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

/* Tooltip */
[data-bs-toggle="tooltip"] {
    cursor: pointer;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .card {
        border-radius: var(--radius-sm);
    }
    
    .btn {
        padding: 0.65rem 1rem;
    }
    
    .form-control,
    .form-select {
        padding: 0.65rem 0.85rem;
    }
}

/* Dark Mode Support (برای آینده) */
@media (prefers-color-scheme: dark) {
    /* در آینده می‌توان حالت تاریک را فعال کرد */
}

/* Print Styles */
@media print {
    .sidebar,
    .chat-header,
    .input-area {
        display: none;
    }
    
    .main-chat {
        width: 100%;
    }
}