@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
    /* Fonts */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;

    /* Light Theme Palette */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-sidebar: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-active: #ffffff;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #eff6ff;
    
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Dark Theme Palette */
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-sidebar: #030712;
    --sidebar-text: #94a3b8;
    --sidebar-active: #3b82f6;
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #4b5563;
    
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #1e3a8a;
    
    --success: #34d399;
    --success-light: #064e3b;
    --warning: #fbbf24;
    --warning-light: #78350f;
    --danger: #f87171;
    --danger-light: #7f1d1d;
    
    --border: #1f2937;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Glassmorphism Styles */
.glass-panel {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .glass-panel {
    background: rgba(17, 24, 39, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

@keyframes pulse-ring {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(37, 99, 235, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.animate-fade {
    animation: fadeIn var(--transition-normal) forwards;
}

/* Core Dashboard Layout */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.app-sidebar {
    width: 260px;
    background: linear-gradient(180deg, #1a1814 0%, #0c0b09 100%);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: transform var(--transition-normal);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.2);
}

.sidebar-brand {
    padding: 1.5rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sidebar-active);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #a3a3a3;
    text-decoration: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 0.925rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    margin-right: 1rem;
}

.sidebar-link:hover {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    color: #d97706;
}

.sidebar-link.active {
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.15) 0%, transparent 100%);
    border-left: 3px solid #d97706;
    color: #f59e0b;
}

[data-theme="dark"] .sidebar-link.active {
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.2) 0%, transparent 100%);
    border-left: 3px solid #f59e0b;
    color: #fbbf24;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Content Area */
.app-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

/* Header navigation */
.app-header {
    height: 70px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 900;
}

.header-title {
    font-size: 1.15rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Cards & Grid Styling */
.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Tables Custom Styling */
.table-responsive-custom {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-custom {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.table-custom th {
    background-color: var(--bg-primary);
    font-weight: 600;
    text-align: left;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.825rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-custom td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-primary);
    vertical-align: middle;
}

.table-custom tr:last-child td {
    border-bottom: none;
}

.table-custom tr:hover {
    background-color: rgba(0, 0, 0, 0.01);
}

[data-theme="dark"] .table-custom tr:hover {
    background-color: rgba(255, 255, 255, 0.01);
}

/* Responsive breakdowns */
@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }
    .app-sidebar.show {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    .app-main {
        margin-left: 0;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.4);
        z-index: 999;
    }
    .sidebar-overlay.show {
        display: block;
    }
}

/* Language and Toggle Badges */
.badge-custom {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.badge-success { background-color: var(--success-light); color: var(--success); }
.badge-warning { background-color: var(--warning-light); color: var(--warning); }
.badge-danger { background-color: var(--danger-light); color: var(--danger); }
.badge-info { background-color: var(--accent-light); color: var(--accent); }

/* Buttons Premium Custom */
.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--accent);
    color: white;
    font-family: var(--font-display);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-premium:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Custom form styles */
.form-input-custom {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.925rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-input-custom:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* OCR drag-drop area */
.ocr-drop-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-xl);
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    background-color: var(--bg-primary);
    transition: all var(--transition-fast);
}

.ocr-drop-area:hover, .ocr-drop-area.drag-over {
    border-color: var(--accent);
    background-color: var(--accent-light);
}

.ocr-icon-circle {
    width: 64px;
    height: 64px;
    background-color: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-sm);
    color: var(--accent);
    font-size: 1.5rem;
}

/* Loading ring animation */
.spinner-ring {
    display: inline-block;
    width: 48px;
    height: 48px;
    border: 3px solid rgba(37, 99, 235, 0.2);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s ease-in-out infinite;
}

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

/* Translation toggle elements */
[data-translate-en] {
    display: inherit;
}
[data-translate-bn] {
    display: none;
}
.lang-bn [data-translate-en] {
    display: none;
}
.lang-bn [data-translate-bn] {
    display: inherit;
}