/* 
 * TTAC Common Styles v9.2
 * استایل‌های مشترک برای تمام صفحات
 * بروزرسانی: 2026-02-05 - تکمیل CSS Variables و Utility Classes
 */

/* ============================================================
   CSS Variables
   ============================================================ */
:root {
    /* Background Colors */
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: rgba(255, 255, 255, 0.1);
    --bg-dark: #333333;
    --bg-hover: rgba(255, 255, 255, 0.05);
    
    /* Brand Colors */
    --accent: #4ecca3;
    --accent-hover: #45b393;
    --accent-light: #3aa885;
    --primary: #4dabf7;
    --primary-hover: #339af0;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #adb5bd;
    --text-dark: #000000;
    
    /* Border Colors */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.2);
    
    /* Status Colors */
    --danger: #dc3545;
    --danger-hover: #c82333;
    --danger-light: #ff6b6b;
    --warning: #ffc107;
    --warning-hover: #e0a800;
    --success: #28a745;
    --success-hover: #218838;
    --success-light: #2ecc71;
    --info: #17a2b8;
    --info-hover: #138496;
    --purple: #6f42c1;
    --purple-light: #a855f7;
    --orange: #fd7e14;
    --gray: #6c757d;
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 15px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-Index Layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    --z-loading: 10000;
}

/* ============================================================
   Base Styles
   ============================================================ */
* {
    font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    margin: 0;
    padding: var(--spacing-lg);
    color: var(--text-primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================================
   Typography
   ============================================================ */
h1 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--accent);
    font-size: 1.8em;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================
   Navigation
   ============================================================ */
.nav-links {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.nav-links a {
    color: var(--accent);
    text-decoration: none;
    margin: 0 var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background 0.3s;
}

.nav-links a:hover {
    background: rgba(78, 204, 163, 0.2);
}

.nav-links a.active {
    background: var(--accent);
    color: var(--bg-primary);
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1em;
    margin-bottom: var(--spacing-md);
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.95em;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(78, 204, 163, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #c82333 100%);
    color: var(--text-primary);
}

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

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

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85em;
}

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

/* ============================================================
   Forms
   ============================================================ */
.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 0.95em;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9em;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-grid .full-width {
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Tables
   ============================================================ */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: rgba(0, 0, 0, 0.2);
    color: var(--accent);
    font-weight: 500;
}

tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* ============================================================
   Stats Cards
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s;
    cursor: pointer;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.stat-card.active,
.stat-card.critical { border-color: var(--danger); }
.stat-card.warning { border-color: var(--warning); }
.stat-card.info { border-color: var(--info); }
.stat-card.success { border-color: var(--success); }

.stat-icon {
    font-size: 2.5em;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 2em;
    font-weight: bold;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* ============================================================
   Modals
   ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    padding: var(--spacing-lg);
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: linear-gradient(135deg, #2a2a4a 0%, #1a1a2e 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.modal-title {
    font-size: 1.2em;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.modal-body {
    margin-bottom: var(--spacing-md);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* ============================================================
   Loading & States
   ============================================================ */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(78, 204, 163, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.empty-state {
    text-align: center;
    padding: 60px var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 4em;
    margin-bottom: var(--spacing-lg);
}

/* ============================================================
   Toast Notifications
   ============================================================ */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s;
}

.toast.show {
    opacity: 1;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.warning {
    background: var(--warning);
    color: #333;
}

.toast.info {
    background: var(--info);
}

/* ============================================================
   Priority Colors
   ============================================================ */
.priority-critical { color: var(--danger); }
.priority-high { color: #fd7e14; }
.priority-medium { color: var(--warning); }
.priority-low { color: var(--info); }
.priority-ok { color: var(--success); }

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75em;
    font-weight: bold;
}

.badge-primary { background: var(--accent); color: var(--bg-primary); }
.badge-danger { background: var(--danger); color: white; }
.badge-warning { background: var(--warning); color: #333; }
.badge-success { background: var(--success); color: white; }
.badge-info { background: var(--info); color: white; }

/* ============================================================
   Utility Classes
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-muted { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-success { color: var(--success); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

.d-flex { display: flex; }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }

.hidden { display: none !important; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    body {
        padding: var(--spacing-sm);
    }
    
    h1 {
        font-size: 1.4em;
    }
    
    .nav-links a {
        margin: var(--spacing-xs);
        padding: var(--spacing-xs);
        font-size: 0.85em;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal {
        max-width: 95vw;
        margin: var(--spacing-sm);
    }
}

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

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.animate-fadeIn { animation: fadeIn 0.3s ease-out; }
.animate-pulse { animation: pulse 1s infinite; }
.animate-shake { animation: shake 0.5s ease-in-out; }
.animate-spin { animation: spin 1s linear infinite; }

/* ============================================================
   Bottom Navigation - نوار ناوبری پایین صفحه
   ============================================================ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-xs);
    background: rgba(15, 15, 25, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    font-size: 0.75em;
    min-width: 60px;
    text-align: center;
}

.bottom-nav-item i {
    font-size: 1.4em;
    transition: transform 0.2s ease;
}

.bottom-nav-item:hover {
    color: var(--accent);
}

.bottom-nav-item:hover i {
    transform: scale(1.1);
}

.bottom-nav-item.active {
    color: var(--accent);
}

.bottom-nav-item.active i {
    transform: scale(1.15);
}

.bottom-nav-item.active::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 0 0 3px 3px;
}

/* فضای پایین body برای جلوگیری از پنهان شدن محتوا */
body {
    padding-bottom: 80px !important;
}

/* تنظیم FAB برای جلوگیری از تداخل با bottom nav */
.fab-container {
    bottom: 90px !important;
}

/* استایل‌های قدیمی main-nav را حذف نکنید - برای backward compatibility */
.main-nav {
    display: none !important;
}

/* Responsive Bottom Navigation */
@media (max-width: 576px) {
    .bottom-nav-item {
        min-width: 50px;
        padding: var(--spacing-xs) 4px;
        font-size: 0.65em;
    }
    
    .bottom-nav-item i {
        font-size: 1.3em;
    }
    
    body {
        padding-bottom: 70px !important;
    }
    
    .fab-container {
        bottom: 80px !important;
    }
}
    }
}

/* ============================================================
   Loading Overlay - بهبود یافته
   ============================================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.loading-overlay.show,
.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

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

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(78, 204, 163, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

.loading-text {
    color: var(--text-secondary);
    font-size: 1.1em;
}

/* ============================================================
   Toast Notifications - بهبود یافته
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(30, 30, 50, 0.98);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 0.95em;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: auto;
    max-width: 90vw;
    border: 1px solid var(--border-color);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast i {
    font-size: 1.2em;
}

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

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

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

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

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

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

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

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

/* ============================================================
   Pagination - بهبود یافته
   ============================================================ */
.pagination-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.pagination-controls {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9em;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(78, 204, 163, 0.1);
}

.pagination-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-ellipsis {
    color: var(--text-secondary);
    padding: 0 var(--spacing-xs);
}

@media (max-width: 576px) {
    .pagination-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pagination-info {
        text-align: center;
    }
    
    .pagination-controls {
        justify-content: center;
    }
}

/* ============================================================
   Modal Improvements
   ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    padding: var(--spacing-lg);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: linear-gradient(135deg, #2a2a4a 0%, #1a1a2e 100%);
    border-radius: var(--radius-lg);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal {
    transform: scale(1) translateY(0);
}

.modal-sm { max-width: 400px; }
.modal-md { max-width: 550px; }
.modal-lg { max-width: 750px; }
.modal-xl { max-width: 950px; }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.2em;
    color: var(--accent);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================================
   Page Header
   ============================================================ */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    color: var(--accent);
    font-size: 1.8em;
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1em;
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(78, 204, 163, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(78, 204, 163, 0.5);
}

/* ============================================================
   Voice Suggestions
   ============================================================ */
.voice-suggestions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.voice-suggestion-item {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.voice-suggestion-item:hover {
    background: rgba(78, 204, 163, 0.1);
    border-color: var(--accent);
    transform: translateX(-5px);
}

.voice-suggestion-item .drug-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.voice-suggestion-item .drug-info {
    font-size: 0.85em;
    color: var(--text-secondary);
}

/* Voice Button Recording Animation */
.nav-action-btn.voice-btn.recording {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.4);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(220, 53, 69, 0);
    }
}

/* ============================================================
   Drug Search Results
   ============================================================ */
.drug-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.drug-result-item:hover {
    background: rgba(78, 204, 163, 0.1);
    border-color: var(--accent);
    transform: translateX(-3px);
}

.drug-result-item:active {
    transform: scale(0.98);
}

.drug-result-main {
    flex: 1;
    min-width: 0;
}

.drug-result-name {
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drug-result-info {
    font-size: 0.85em;
    color: var(--text-secondary);
}

.drug-result-stock {
    font-weight: bold;
    min-width: 50px;
    text-align: center;
}

.drug-result-price {
    font-size: 0.9em;
    color: var(--accent);
    min-width: 80px;
    text-align: left;
}

/* Sub Navigation for related pages */
.sub-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.sub-nav-item {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.sub-nav-item:hover {
    color: var(--accent);
    background: rgba(78, 204, 163, 0.1);
}

.sub-nav-item.active {
    color: var(--bg-primary);
    background: var(--accent);
}

.sub-nav-item i {
    font-size: 1.1em;
}

/* ============================================================
   Session Health Indicator
   ============================================================ */
.session-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85em;
}

.session-indicator:hover {
    background: rgba(255, 255, 255, 0.15);
}

.session-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-secondary);
    transition: all 0.3s ease;
}

.session-text {
    color: var(--text-secondary);
    transition: color 0.3s ease;
    white-space: nowrap;
}

/* Session States */
.session-indicator.ok .session-dot {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.session-indicator.ok .session-text {
    color: var(--success);
}

.session-indicator.warning .session-dot {
    background: var(--warning);
    box-shadow: 0 0 8px var(--warning);
    animation: pulse-warning 1.5s ease-in-out infinite;
}

.session-indicator.warning .session-text {
    color: var(--warning);
}

.session-indicator.error .session-dot {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
    animation: pulse-error 1s ease-in-out infinite;
}

.session-indicator.error .session-text {
    color: var(--danger);
}

.session-indicator.loading .session-dot {
    background: var(--info);
    animation: pulse-loading 1s ease-in-out infinite;
}

.session-indicator.loading .session-text {
    color: var(--info);
}

/* Animations */
@keyframes pulse-warning {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

@keyframes pulse-error {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

@keyframes pulse-loading {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Floating Session Indicator (for pages without base.html) */
.session-indicator.floating {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 9999;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

/* Session Dropdown (for detailed info on click) */
.session-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-width: 250px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: none;
}

.session-dropdown.show {
    display: block;
}

.session-dropdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.session-dropdown-item:last-child {
    border-bottom: none;
}

.session-dropdown-label {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.session-dropdown-value {
    font-weight: 500;
}

.session-dropdown-value.connected {
    color: var(--success);
}

.session-dropdown-value.disconnected {
    color: var(--danger);
}

.session-dropdown-value.warning {
    color: var(--warning);
}

/* ============================================================
   Bootstrap Dark Theme Overrides
   ============================================================ */

/* Form Controls */
.form-control, .form-select {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(78, 204, 163, 0.25);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.form-label {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Bootstrap Cards */
.card-header {
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    color: var(--accent);
    font-weight: bold;
}

/* Bootstrap Tables */
.table {
    color: var(--text-primary);
}

.table > :not(caption) > * > * {
    background-color: transparent;
    border-bottom-color: var(--border-color);
}

.table th {
    color: var(--accent);
    font-weight: 600;
}

.table tbody tr:hover {
    background-color: rgba(78, 204, 163, 0.1);
}

/* Bootstrap Modal */
.modal-content {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-header .btn-close {
    filter: invert(1);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

/* Bootstrap Navbar */
.navbar {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    color: var(--accent) !important;
    font-weight: bold;
}

.nav-link {
    color: var(--text-primary) !important;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent) !important;
}

/* Status Badges */
.status-badge {
    font-size: 0.8em;
    padding: 4px 10px;
    border-radius: 12px;
}

.status-submitted, .status-success {
    background: rgba(46, 204, 113, 0.2);
    color: #2ecc71;
    border: 1px solid #2ecc71;
}

.status-draft, .status-pending {
    background: rgba(241, 196, 15, 0.2);
    color: #f1c40f;
    border: 1px solid #f1c40f;
}

.status-error, .status-failed {
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
    border: 1px solid #e74c3c;
}

/* Price Cell */
.price-cell {
    font-family: 'Consolas', 'Courier New', monospace;
    direction: ltr;
    text-align: left;
}

/* Clickable Row */
.clickable-row {
    cursor: pointer;
}

/* Loading Overlay - Enhanced */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: var(--spacing-md);
    color: var(--text-primary);
}

/* ============================================================
   Utility Classes - Text
   ============================================================ */
.text-accent { color: var(--accent) !important; }
.text-primary-color { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }

.font-bold { font-weight: bold !important; }
.font-normal { font-weight: normal !important; }

.text-sm { font-size: 0.85rem !important; }
.text-md { font-size: 1rem !important; }
.text-lg { font-size: 1.2rem !important; }
.text-xl { font-size: 1.5rem !important; }

/* ============================================================
   Utility Classes - Background
   ============================================================ */
.bg-accent { background-color: var(--accent) !important; }
.bg-primary { background-color: var(--bg-primary) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }

/* ============================================================
   Utility Classes - Spacing
   ============================================================ */
.m-0 { margin: 0 !important; }
.m-xs { margin: var(--spacing-xs) !important; }
.m-sm { margin: var(--spacing-sm) !important; }
.m-md { margin: var(--spacing-md) !important; }
.m-lg { margin: var(--spacing-lg) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }

.p-0 { padding: 0 !important; }
.p-xs { padding: var(--spacing-xs) !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }
.p-lg { padding: var(--spacing-lg) !important; }

/* ============================================================
   Utility Classes - Flexbox
   ============================================================ */
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }

.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }

.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }

.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }

.gap-xs { gap: var(--spacing-xs) !important; }
.gap-sm { gap: var(--spacing-sm) !important; }
.gap-md { gap: var(--spacing-md) !important; }
.gap-lg { gap: var(--spacing-lg) !important; }

/* ============================================================
   Utility Classes - Borders & Radius
   ============================================================ */
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-full { border-radius: 50% !important; }

.border { border: 1px solid var(--border-color) !important; }
.border-accent { border-color: var(--accent) !important; }
.border-danger { border-color: var(--danger) !important; }

/* ============================================================
   Utility Classes - Shadows
   ============================================================ */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-none { box-shadow: none !important; }

/* ============================================================
   Utility Classes - Width & Height
   ============================================================ */
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }
.h-100 { height: 100% !important; }
.h-auto { height: auto !important; }

/* ============================================================
   Utility Classes - Visibility
   ============================================================ */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }
.opacity-0 { opacity: 0 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-100 { opacity: 1 !important; }

/* ============================================================
   Utility Classes - Cursor
   ============================================================ */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* ============================================================
   Utility Classes - Overflow
   ============================================================ */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-scroll { overflow: scroll !important; }

/* ============================================================
   Utility Classes - Position
   ============================================================ */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }