/* assets/css/style.css */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success: #22c55e;
    --success-dark: #16a34a;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --info: #3b82f6;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --sidebar-width: 260px;
    --header-height: 70px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.7;
    direction: rtl;
}

/* ==================== صفحه ورود ==================== */
.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-box {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.login-icon i {
    font-size: 36px;
    color: white;
}

.login-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 24px;
}

.login-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper .input-icon {
    position: absolute;
    right: 14px;
    color: var(--gray-400);
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 44px 12px 44px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.password-toggle {
    position: absolute;
    left: 14px;
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
}

.password-toggle:hover {
    color: var(--gray-600);
}

/* ==================== دکمه‌ها ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

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

.btn-success:hover:not(:disabled) {
    background: var(--success-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--danger-dark);
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--primary);
    color: white;
}

/* ==================== هشدارها ==================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.alert i {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--danger);
}

.alert-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: var(--warning-dark);
}

.alert-warning p {
    margin-top: 4px;
    font-size: 13px;
    opacity: 0.9;
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: var(--success-dark);
}

/* ==================== لایه‌بندی اپلیکیشن ==================== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* سایدبار */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-700);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 28px;
    color: var(--primary-light);
}

.logo span {
    font-size: 16px;
    font-weight: 700;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.sidebar-nav ul {
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
    border-right: 3px solid transparent;
}

.nav-link:hover {
    color: white;
    background: var(--gray-800);
}

.nav-link.active {
    color: white;
    background: var(--gray-800);
    border-right-color: var(--primary);
}

.nav-link i {
    font-size: 18px;
    width: 24px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--gray-700);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
}

.logout-btn:hover {
    color: white;
    background: var(--gray-800);
}

/* محتوای اصلی */
.main-content {
    flex: 1;
    margin-right: var(--sidebar-width);
    min-height: 100vh;
}

.content-header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px;
}

.content-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
}

.content-area {
    padding: 30px;
}

/* ==================== تب‌ها ==================== */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ==================== کارت‌ها ==================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--gray-100);
}

.card-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.card-header h2 i {
    color: var(--primary);
}

.card-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.card-body {
    padding: 28px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group label small {
    font-weight: 400;
    color: var(--gray-400);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group .input-wrapper input {
    padding-right: 44px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

.form-group-btn {
    display: flex;
    align-items: flex-end;
}

/* جعبه جستجو */
.search-box {
    margin-bottom: 28px;
}

.input-group {
    display: flex;
    align-items: center;
    position: relative;
}

.input-group .input-icon {
    position: absolute;
    right: 14px;
    color: var(--gray-400);
    pointer-events: none;
    z-index: 1;
}

.input-group input {
    flex: 1;
    padding: 14px 44px 14px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 14px;
    font-family: inherit;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    z-index: 1;
}

.input-group .btn {
    border-radius: var(--radius) 0 0 var(--radius);
    margin-right: -2px;
}

/* ==================== جزئیات محصول ==================== */
.product-details {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.product-details.hidden {
    display: none;
}

.details-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.details-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
}

.sku-badge {
    background: var(--gray-200);
    color: var(--gray-600);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    font-family: monospace;
    direction: ltr;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.detail-card {
    background: white;
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-sm);
}

.detail-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-icon i {
    font-size: 20px;
    color: white;
}

.bg-blue { background: var(--info); }
.bg-green { background: var(--success); }
.bg-orange { background: var(--warning); }
.bg-purple { background: var(--primary); }

.detail-info {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 12px;
    color: var(--gray-500);
}

.detail-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
}

/* فرم به‌روزرسانی */
.update-form {
    border-top: 1px solid var(--gray-200);
    padding-top: 24px;
}

.update-form h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 20px;
}

/* ==================== بخش گروهی ==================== */
.preview-section {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.preview-result {
    font-weight: 600;
    color: var(--primary);
}

.bulk-form {
    max-width: 900px;
}

.confirmation-box {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 28px;
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    margin-bottom: 20px;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-text {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.6;
}

/* ==================== لودینگ ==================== */
.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;
    backdrop-filter: blur(4px);
}

.loading-overlay.hidden {
    display: none;
}

.loading-content {
    background: white;
    padding: 40px 60px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

.loading-content p {
    color: var(--gray-600);
    font-size: 16px;
    font-weight: 500;
}

/* ==================== اعلان‌ها (Toast) ==================== */
.toast-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    animation: slideInLeft 0.3s ease;
    border-right: 4px solid var(--gray-400);
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutLeft {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

.toast.success {
    border-right-color: var(--success);
}

.toast.error {
    border-right-color: var(--danger);
}

.toast.warning {
    border-right-color: var(--warning);
}

.toast.info {
    border-right-color: var(--info);
}

.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-body {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.toast-message {
    font-size: 13px;
    color: var(--gray-600);
    word-wrap: break-word;
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    font-size: 16px;
    line-height: 1;
    flex-shrink: 0;
}

.toast-close:hover {
    color: var(--gray-600);
}

/* ==================== نشان‌ها (Badges) ==================== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #dcfce7;
    color: var(--success-dark);
}

.badge-danger {
    background: #fee2e2;
    color: var(--danger-dark);
}

.badge-warning {
    background: #fef3c7;
    color: var(--warning-dark);
}

.badge-info {
    background: #dbeafe;
    color: var(--info);
}

/* ==================== کلاس‌های کمکی ==================== */
.hidden {
    display: none !important;
}

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

.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }

/* ==================== ریسپانسیو ==================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .content-area {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .content-header {
        padding: 0 16px;
    }
    
    .content-header h1 {
        font-size: 16px;
    }
    
    .card-header,
    .card-body {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .preview-section {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .toast-container {
        left: 16px;
        right: 16px;
        max-width: none;
    }
    
    .login-box {
        padding: 30px 24px;
    }
}

@media (max-width: 480px) {
    .input-group {
        flex-direction: column;
    }
    
    .input-group input {
        border-radius: var(--radius);
        padding-right: 44px;
    }
    
    .input-group .btn {
        border-radius: var(--radius);
        margin-right: 0;
        margin-top: 10px;
        width: 100%;
    }
    
    .header-left .btn span {
        display: none;
    }
    
    .details-header {
        flex-direction: column;
        align-items: flex-start;
    }
}