/* ===================================
   Modern Admin Panel Styles
   Light & Dark Mode Support
   =================================== */

/* Import Modern Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===================================
   CSS Custom Properties - Light Theme
   =================================== */
:root,
body[data-theme="light"] {
    /* Brand Colors */
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    
    /* Backgrounds */
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f3f4f6;
    --bg-elevated: #ffffff;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --text-inverse: #ffffff;
    
    /* Borders & Dividers */
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --border-dark: #d1d5db;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
}

/* ===================================
   CSS Custom Properties - Dark Theme
   =================================== */
body[data-theme="dark"] {
    /* Brand Colors - Lighter for dark mode */
    --primary-color: #818cf8;
    --primary-hover: #6366f1;
    --secondary-color: #a78bfa;
    --accent-color: #22d3ee;
    
    /* Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-elevated: #1e293b;
    
    /* Text Colors */
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    --text-inverse: #111827;
    
    /* Borders & Dividers */
    --border-color: #374151;
    --border-light: #1f2937;
    --border-dark: #4b5563;
    
    /* Shadows - More subtle in dark mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-accent: linear-gradient(135deg, #0891b2 0%, #2563eb 100%);
    --gradient-surface: linear-gradient(180deg, rgba(30, 41, 59, 0.9) 0%, rgba(30, 41, 59, 0.7) 100%);
    
    /* Status Colors - Lighter for dark mode */
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --error-color: #f87171;
    --info-color: #60a5fa;
}

/* ===================================
   Global Styles
   =================================== */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ===================================
   Layout Components
   =================================== */

/* App Bar with Gradient */
.app-bar-gradient {
    background: var(--gradient-primary) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md) !important;
}

.app-title {
    font-weight: 700;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Custom Drawer Styling */
.custom-drawer {
    background-color: var(--bg-secondary) !important;
    border-right: 1px solid var(--border-color) !important;
}

/* Main Content Area */
.main-content {
    background-color: var(--bg-primary);
    min-height: calc(100vh - 64px);
}

/* ===================================
   Card & Surface Enhancements
   =================================== */
.mud-card {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-md) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.mud-card:hover {
    box-shadow: var(--shadow-lg) !important;
    transform: translateY(-2px);
}

/* Glassmorphism Effect for Elevated Cards */
.mud-paper.mud-elevation-4,
.mud-paper.mud-elevation-8 {
    background: var(--gradient-surface) !important;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
}

/* ===================================
   Navigation Menu Enhancements
   =================================== */
.mud-nav-link {
    border-radius: 8px;
    margin: 4px 8px;
    transition: all 0.2s ease;
}

.mud-nav-link:hover {
    background-color: var(--bg-tertiary) !important;
    transform: translateX(4px);
}

.mud-nav-link.active {
    background: var(--gradient-primary) !important;
    color: var(--text-inverse) !important;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.mud-nav-link.active .mud-nav-link-icon {
    color: var(--text-inverse) !important;
}

.mud-nav-group .mud-nav-link {
    padding-left: 24px;
}

/* ===================================
   Form Controls
   =================================== */
.mud-input {
    transition: all 0.2s ease;
}

.mud-input:focus-within {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.mud-input-outlined {
    border-color: var(--border-color);
}

.mud-input-outlined:hover {
    border-color: var(--primary-color);
}

/* ===================================
   Buttons
   =================================== */
.mud-button-root {
    border-radius: 8px;
    font-weight: 500;
    text-transform: none;
    transition: all 0.2s ease;
}

.mud-button-filled-primary {
    background: var(--gradient-primary) !important;
    box-shadow: var(--shadow-sm);
}

.mud-button-filled-primary:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.mud-button-outlined {
    border-color: var(--border-dark);
}

.mud-button-outlined:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
}

/* ===================================
   Tables
   =================================== */
.mud-table {
    background-color: var(--bg-elevated) !important;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.mud-table-head {
    background-color: var(--bg-tertiary) !important;
}

.mud-table-row:hover {
    background-color: var(--bg-tertiary) !important;
    transition: background-color 0.2s ease;
}

/* ===================================
   Dialogs & Modals
   =================================== */
.mud-dialog {
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

.mud-dialog-title {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    font-weight: 600;
}

/* ===================================
   Chips & Badges
   =================================== */
.mud-chip {
    border-radius: 6px;
    font-weight: 500;
}

/* ===================================
   Validation & Error States
   =================================== */
.invalid {
    border-color: var(--error-color) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.validation-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

.valid.modified:not([type=checkbox]) {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* ===================================
   Blazor Error Boundary
   =================================== */
.blazor-error-boundary {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border: 2px solid var(--error-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: var(--shadow-md);
}

body[data-theme="dark"] .blazor-error-boundary {
    background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 100%);
    color: #fecaca;
}

.blazor-error-boundary::after {
    content: "⚠️ Application Error: Please refresh or contact support.";
    font-weight: 600;
}

/* ===================================
   Loading & Progress Indicators
   =================================== */
.mud-progress-circular {
    color: var(--primary-color);
}

.mud-progress-linear {
    background-color: var(--bg-tertiary);
}

/* ===================================
   Utility Classes
   =================================== */
.glass-effect {
    background: var(--gradient-surface) !important;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

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

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 960px) {
    .app-title {
        font-size: 1.25rem !important;
    }
    
    .mud-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 600px) {
    .app-title {
        display: none;
    }
}