/* ========================================
 Portel - White Premium UI Theme
 Clean, Elegant, Animated with Dark Mode Toggle
 ======================================== */

/* CSS Variables - Light Theme (Default - White Based) */
:root {
 /* Colors - White Based */
 --white: #ffffff;
 --off-white: #fafafa;
 --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;

 /* Primary - Elegant Blue */
 --primary-50: #eff6ff;
 --primary-100: #dbeafe;
 --primary-200: #bfdbfe;
 --primary-300: #93c5fd;
 --primary-400: #60a5fa;
 --primary-500: #3b82f6;
 --primary-600: #2563eb;
 --primary-700: #1d4ed8;

 /* Accent */
 --accent-50: #f5f3ff;
 --accent-100: #ede9fe;
 --accent-200: #ddd6fe;
 --accent-300: #c4b5fd;
 --accent-400: #a78bfa;
 --accent-500: #8b5cf6;
 --accent-600: #7c3aed;

 /* Semantic */
 --success-50: #ecfdf5;
 --success-500: #10b981;
 --warning-50: #fffbeb;
 --warning-500: #f59e0b;
 --danger-50: #fef2f2;
 --danger-500: #ef4444;

 /* Background & Surface - White Based */
 --bg-primary: #ffffff;
 --bg-secondary: #f9fafb;
 --bg-tertiary: #f3f4f6;
 --surface: #ffffff;
 --surface-hover: #f9fafb;
 --surface-elevated: #ffffff;

 /* Text */
 --text-primary: #111827;
 --text-secondary: #4b5563;
 --text-tertiary: #9ca3af;
 --text-inverse: #ffffff;

 /* Border */
 --border: #e5e7eb;
 --border-hover: #d1d5db;
 --border-focus: #3b82f6;

 /* Shadows - Layered Elevation */
 --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
 --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
 --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
 --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
 --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

 /* Typography */
 --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
 --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

 /* Spacing */
 --space-1: 0.25rem;
 --space-2: 0.5rem;
 --space-3: 0.75rem;
 --space-4: 1rem;
 --space-5: 1.25rem;
 --space-6: 1.5rem;
 --space-8: 2rem;
 --space-10: 2.5rem;
 --space-12: 3rem;

 /* Border Radius */
 --radius-sm: 0.375rem;
 --radius: 0.5rem;
 --radius-md: 0.625rem;
 --radius-lg: 0.75rem;
 --radius-xl: 1rem;
 --radius-2xl: 1.25rem;
 --radius-full: 9999px;

 /* Transitions */
 --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
 --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
 --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
 --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
 --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Override */
[data-theme="dark"] {
 /* Background & Surface - Dark */
 --bg-primary: #0f0f12;
 --bg-secondary: #18181c;
 --bg-tertiary: #1f1f25;
 --surface: #18181c;
 --surface-hover: #1f1f25;
 --surface-elevated: #222228;

 /* Text */
 --text-primary: #f9fafb;
 --text-secondary: #d1d5db;
 --text-tertiary: #9ca3af;
 --text-inverse: #111827;

 /* Border */
 --border: rgba(255, 255, 255, 0.1);
 --border-hover: rgba(255, 255, 255, 0.2);
 --border-focus: #60a5fa;

 /* Shadows - Dark Mode */
 --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
 --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.5), 0 1px 2px -1px rgba(0, 0, 0, 0.5);
 --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.5);
 --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
 --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);

 /* Semantic - Dark Mode */
 --success-50: rgba(16, 185, 129, 0.15);
 --warning-50: rgba(245, 158, 11, 0.15);
 --danger-50: rgba(239, 68, 68, 0.15);
}

/* ========================================
 Base Styles
 ======================================== */
*, *::before, *::after {
 box-sizing: border-box;
}

body {
 margin: 0;
 padding: 0;
 font-family: var(--font-family);
 font-size: 16px;
 line-height: 1.6;
 color: var(--text-primary);
 background: var(--bg-primary);
 min-height: 100vh;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
 transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* ========================================
 Animated Theme Toggle Switch
 ======================================== */
.theme-toggle-wrapper {
 display: flex;
 align-items: center;
 gap: var(--space-3);
}

.theme-toggle {
 position: relative;
 width: 64px;
 height: 32px;
 background: var(--gray-200);
 border-radius: var(--radius-full);
 cursor: pointer;
 transition: background-color var(--transition-smooth);
 border: none;
 padding: 0;
 outline: none;
 overflow: hidden;
}

.theme-toggle:focus-visible {
 box-shadow: 0 0 0 3px var(--primary-200);
}

[data-theme="dark"] .theme-toggle {
 background: linear-gradient(135deg, #1e293b 0%, #312e81 50%, #581c87 100%);
 box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 20px rgba(139, 92, 246, 0.3);
}

/* Track Background Animation */
.theme-toggle::before {
 content: '';
 position: absolute;
 top: 0;
 left: 0;
 right: 0;
 bottom: 0;
 background: linear-gradient(90deg,
  var(--gray-100) 0%,
  var(--primary-100) 50%,
  var(--accent-100) 100%);
 opacity: 0;
 transition: opacity var(--transition-smooth);
}

[data-theme="dark"] .theme-toggle::before {
 opacity: 0.5;
 background: linear-gradient(90deg,
  #1e293b 0%,
  #312e81 50%,
  #581c87 100%);
}

/* Sliding Thumb */
.theme-toggle-thumb {
 position: absolute;
 top: 3px;
 left: 3px;
 width: 26px;
 height: 26px;
 background: var(--white);
 border-radius: 50%;
 box-shadow: var(--shadow-md), 0 0 10px rgba(0, 0, 0, 0.1);
 transition: transform var(--transition-bounce), box-shadow var(--transition);
 display: flex;
 align-items: center;
 justify-content: center;
 z-index: 1;
}

[data-theme="dark"] .theme-toggle-thumb {
 transform: translateX(32px);
 box-shadow: var(--shadow-md), 0 0 15px rgba(139, 92, 246, 0.4);
}

/* Sun Icon */
.theme-toggle .icon-sun {
 position: absolute;
 left: 8px;
 top: 50%;
 transform: translateY(-50%);
 width: 14px;
 height: 14px;
 color: var(--gray-400);
 transition: all var(--transition-bounce);
 z-index: 0;
}

.theme-toggle .icon-sun svg {
 width: 14px;
 height: 14px;
}

[data-theme="dark"] .theme-toggle .icon-sun {
 color: #fbbf24;
 transform: translateY(-50%) rotate(180deg) scale(0.8);
 opacity: 0.6;
}

/* Moon Icon */
.theme-toggle .icon-moon {
 position: absolute;
 right: 8px;
 top: 50%;
 transform: translateY(-50%);
 width: 14px;
 height: 14px;
 color: var(--gray-400);
 transition: all var(--transition-bounce);
 z-index: 0;
}

.theme-toggle .icon-moon svg {
 width: 14px;
 height: 14px;
}

[data-theme="dark"] .theme-toggle .icon-moon {
 color: #c4b5fd;
 transform: translateY(-50%) rotate(-180deg) scale(1.1);
 opacity: 1;
}

/* Toggle Label */
.theme-toggle-label {
 font-size: 0.75rem;
 font-weight: 500;
 color: var(--text-tertiary);
 text-transform: uppercase;
 letter-spacing: 0.05em;
 transition: color var(--transition);
}

[data-theme="dark"] .theme-toggle-label {
 color: var(--accent-400);
}

/* Pulse Animation on Toggle */
@keyframes togglePulse {
 0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
 50% { box-shadow: 0 0 0 8px rgba(59, 130, 246, 0); }
}

.theme-toggle:active {
 animation: togglePulse 0.6s ease-out;
}

[data-theme="dark"] .theme-toggle:active {
 animation: togglePulseDark 0.6s ease-out;
}

@keyframes togglePulseDark {
 0%, 100% { box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 0 0 rgba(139, 92, 246, 0.4); }
 50% { box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 0 8px rgba(139, 92, 246, 0); }
}

/* ========================================
 Spin Loader - Multiple Variants
 ======================================== */

/* Primary Spinner */
.spin-loader {
 width: 40px;
 height: 40px;
 border: 3px solid var(--gray-200);
 border-top-color: var(--primary-500);
 border-radius: 50%;
 animation: spin 0.8s linear infinite;
}

.spin-loader--sm { width: 20px; height: 20px; border-width: 2px; }
.spin-loader--lg { width: 56px; height: 56px; border-width: 4px; }
.spin-loader--xl { width: 72px; height: 72px; border-width: 5px; }

/* Gradient Spinner */
.spin-gradient {
 width: 48px;
 height: 48px;
 border-radius: 50%;
 background: conic-gradient(
 from 0deg,
 var(--primary-400),
 var(--accent-500),
 var(--primary-400)
 );
 animation: spin 1.2s linear infinite;
 mask: radial-gradient(farthest-side, transparent calc(100% - 4px), white calc(100% - 4px));
 -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), white calc(100% - 4px));
}

/* Pulse Ring Spinner */
.spin-pulse {
 position: relative;
 width: 48px;
 height: 48px;
}

.spin-pulse::before,
.spin-pulse::after {
 content: '';
 position: absolute;
 inset: 0;
 border-radius: 50%;
 border: 3px solid transparent;
}

.spin-pulse::before {
 border-top-color: var(--primary-500);
 animation: spin 1s ease-in-out infinite;
}

.spin-pulse::after {
 border-top-color: var(--accent-500);
 animation: spin 1s ease-in-out infinite reverse;
 animation-delay: -0.5s;
}

/* Dots Spinner */
.spin-dots {
 display: flex;
 gap: 6px;
 align-items: center;
}

.spin-dots span {
 width: 10px;
 height: 10px;
 background: var(--primary-500);
 border-radius: 50%;
 animation: bounce 1.4s ease-in-out infinite both;
}

.spin-dots span:nth-child(1) { animation-delay: -0.32s; }
.spin-dots span:nth-child(2) { animation-delay: -0.16s; }

/* Morphing Spinner */
.spin-morph {
 width: 48px;
 height: 48px;
 background: var(--primary-500);
 border-radius: var(--radius);
 animation: morph 1.5s ease-in-out infinite;
}

/* Orbit Spinner */
.spin-orbit {
 position: relative;
 width: 48px;
 height: 48px;
}

.spin-orbit-core {
 position: absolute;
 inset: 0;
 background: var(--primary-500);
 border-radius: 50%;
}

.spin-orbit-satellite {
 position: absolute;
 top: 0;
 left: 50%;
 width: 12px;
 height: 12px;
 background: var(--accent-500);
 border-radius: 50%;
 transform-origin: center 24px;
 animation: orbit 1.2s linear infinite;
}

/* ========================================
 Loading Overlay
 ======================================== */
.loading-overlay {
 position: fixed;
 inset: 0;
 background: var(--bg-primary);
 backdrop-filter: blur(8px);
 -webkit-backdrop-filter: blur(8px);
 display: flex;
 flex-direction: column;
 align-items: center;
 justify-content: center;
 gap: var(--space-4);
 z-index: 9999;
 opacity: 0;
 visibility: hidden;
 transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.loading-overlay__text {
 font-size: 0.875rem;
 font-weight: 500;
 color: var(--text-secondary);
 letter-spacing: 0.025em;
}

/* ========================================
 Card Component
 ======================================== */
.card {
 background: var(--surface);
 border-radius: var(--radius-xl);
 box-shadow: var(--shadow);
 padding: var(--space-6);
 border: 1px solid var(--border);
 transition: box-shadow var(--transition), transform var(--transition),
  background-color var(--transition-smooth), border-color var(--transition-smooth);
}

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

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

.card--flat {
 box-shadow: none;
 border: 1px solid var(--border);
}

/* ========================================
 Button Component
 ======================================== */
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: var(--space-2);
 padding: 0.75rem 1.5rem;
 font-family: inherit;
 font-size: 0.875rem;
 font-weight: 500;
 line-height: 1;
 color: var(--text-inverse);
 background: var(--primary-500);
 border: none;
 border-radius: var(--radius);
 cursor: pointer;
 transition: all var(--transition);
 outline: none;
}

.btn:focus-visible {
 box-shadow: 0 0 0 3px var(--primary-200);
}

.btn:hover {
 background: var(--primary-600);
 transform: translateY(-1px);
 box-shadow: var(--shadow-md);
}

.btn:active {
 background: var(--primary-700);
 transform: translateY(0);
}

.btn:disabled {
 opacity: 0.5;
 cursor: not-allowed;
 transform: none;
}

.btn--outline {
 color: var(--primary-600);
 background: transparent;
 border: 2px solid var(--primary-500);
}

.btn--outline:hover {
 background: var(--primary-50);
}

[data-theme="dark"] .btn--outline:hover {
 background: var(--primary-900);
}

/* ========================================
 Input Component
 ======================================== */
.input-group {
 display: flex;
 flex-direction: column;
 gap: var(--space-2);
}

.input-group label {
 font-size: 0.875rem;
 font-weight: 500;
 color: var(--text-secondary);
}

.input {
 width: 100%;
 padding: 0.75rem 1rem;
 font-family: inherit;
 font-size: 1rem;
 color: var(--text-primary);
 background: var(--surface);
 border: 2px solid var(--border);
 border-radius: var(--radius);
 outline: none;
 transition: border-color var(--transition), box-shadow var(--transition),
  background-color var(--transition-smooth);
}

.input:focus {
 border-color: var(--border-focus);
 box-shadow: 0 0 0 3px var(--primary-100);
}

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

[data-theme="dark"] .input:focus {
 box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

/* ========================================
 Animations
 ======================================== */
@keyframes spin {
 to { transform: rotate(360deg); }
}

@keyframes bounce {
 0%, 80%, 100% {
 transform: scale(0);
 }
 40% {
 transform: scale(1);
 }
}

@keyframes morph {
 0%, 100% {
 border-radius: var(--radius);
 transform: rotate(0deg) scale(1);
 }
 25% {
 border-radius: 50%;
 transform: rotate(90deg) scale(1.1);
 }
 50% {
 border-radius: var(--radius-xl);
 transform: rotate(180deg) scale(0.9);
 }
 75% {
 border-radius: var(--radius);
 transform: rotate(270deg) scale(1.05);
 }
}

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

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

.animate-fadeIn {
 animation: fadeIn var(--transition-slow) ease-out forwards;
}

/* Slide Up Animation */
@keyframes slideUp {
 from {
 opacity: 0;
 transform: translateY(20px);
 }
 to {
 opacity: 1;
 transform: translateY(0);
 }
}

.animate-slideUp {
 animation: slideUp var(--transition-slow) ease-out forwards;
}

/* Scale In Animation */
@keyframes scaleIn {
 from {
 opacity: 0;
 transform: scale(0.95);
 }
 to {
 opacity: 1;
 transform: scale(1);
 }
}

.animate-scaleIn {
 animation: scaleIn var(--transition) ease-out forwards;
}

/* Shimmer Loading Effect */
@keyframes shimmer {
 0% { background-position: -200% 0; }
 100% { background-position: 200% 0; }
}

.skeleton {
 background: linear-gradient(
 90deg,
 var(--gray-200) 25%,
 var(--gray-100) 50%,
 var(--gray-200) 75%
 );
 background-size: 200% 100%;
 animation: shimmer 1.5s infinite;
 border-radius: var(--radius);
}

[data-theme="dark"] .skeleton {
 background: linear-gradient(
 90deg,
 var(--gray-700) 25%,
 var(--gray-600) 50%,
 var(--gray-700) 75%
 );
 background-size: 200% 100%;
}

/* Pulse Animation */
@keyframes pulse {
 0%, 100% { opacity: 1; }
 50% { opacity: 0.5; }
}

.animate-pulse {
 animation: pulse 2s ease-in-out infinite;
}

/* Float Animation */
@keyframes float {
 0%, 100% { transform: translateY(0); }
 50% { transform: translateY(-10px); }
}

.animate-float {
 animation: float 3s ease-in-out infinite;
}

/* ========================================
 Rainbow Glow Dots
 ======================================== */
.dots-rainbow {
 display: flex;
 gap: 8px;
 align-items: center;
}

.dots-rainbow span {
 width: 10px;
 height: 10px;
 border-radius: 50%;
 animation: rainbow-bounce 1.4s ease-in-out infinite both;
}

.dots-rainbow span:nth-child(1) {
 background: #ef4444;
 box-shadow: 0 0 8px #ef4444, 0 0 15px rgba(239, 68, 68, 0.5);
 animation-delay: -0.48s;
}

.dots-rainbow span:nth-child(2) {
 background: #f97316;
 box-shadow: 0 0 8px #f97316, 0 0 15px rgba(249, 115, 22, 0.5);
 animation-delay: -0.36s;
}

.dots-rainbow span:nth-child(3) {
 background: #eab308;
 box-shadow: 0 0 8px #eab308, 0 0 15px rgba(234, 179, 8, 0.5);
 animation-delay: -0.24s;
}

.dots-rainbow span:nth-child(4) {
 background: #22c55e;
 box-shadow: 0 0 8px #22c55e, 0 0 15px rgba(34, 197, 94, 0.5);
 animation-delay: -0.12s;
}

.dots-rainbow span:nth-child(5) {
 background: #3b82f6;
 box-shadow: 0 0 8px #3b82f6, 0 0 15px rgba(59, 130, 246, 0.5);
 animation-delay: 0s;
}

@keyframes rainbow-bounce {
 0%, 100% {
 transform: scale(0);
 opacity: 0.3;
 filter: blur(2px);
 }
 40% {
 transform: scale(1.2);
 opacity: 1;
 filter: blur(0px);
 }
}

/* Rainbow Dots Sizes */
.dots-rainbow--sm span { width: 6px; height: 6px; gap: 5px; }
.dots-rainbow--lg span { width: 14px; height: 14px; gap: 10px; }
.dots-rainbow--xl span { width: 18px; height: 18px; gap: 12px; }

/* Rainbow Dots Intensity */
.dots-rainbow--soft span { box-shadow: 0 0 4px currentColor; }
.dots-rainbow--intense span { box-shadow: 0 0 12px, 0 0 25px; }
.dots-rainbow--vivid span { box-shadow: 0 0 15px, 0 0 35px, 0 0 60px; }

/* Button with Rainbow Dots */
.btn.loading {
 pointer-events: none;
}

.btn .btn-text { display: inline; }
.btn .btn-dots { display: none; }
.btn.loading .btn-text { display: none; }
.btn.loading .btn-dots { display: flex; }

.btn .btn-dots {
 gap: 6px;
}

.btn .btn-dots span {
 width: 6px;
 height: 6px;
 background: white;
 border-radius: 50%;
 animation: rainbow-bounce 0.9s ease-in-out infinite both;
}

.btn .btn-dots span:nth-child(1) { animation-delay: -0.3s; }
.btn .btn-dots span:nth-child(2) { animation-delay: -0.2s; }
.btn .btn-dots span:nth-child(3) { animation-delay: -0.1s; }

/* ========================================
 Reduced Motion Support
 ======================================== */
@media (prefers-reduced-motion: reduce) {
 *,
 *::before,
 *::after {
 animation-duration: 0.01ms !important;
 animation-iteration-count: 1 !important;
 transition-duration: 0.01ms !important;
 }
}

/* ========================================
 Utility Classes - PRO UI/UX Upgrade
 ======================================== */
.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-surface { background-color: var(--surface); }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }

.border-default { border-color: var(--border); }
.shadow-default { box-shadow: var(--shadow); }

/* Glassmorphism */
.glass-panel {
    background: rgba(255, 255, 255, 0.7) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

[data-theme="dark"] .glass-panel {
    background: rgba(24, 24, 28, 0.6) !important;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Gradients */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500)) !important;
    color: white !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animations */
@keyframes fadeUpIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
    animation: fadeUpIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0; /* Starts hidden */
}

/* Stagger delay classes for lists/grids */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }

/* Interactions */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.btn-glow:hover {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

/* Theme Transition Helper */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
 transition: background-color var(--transition-smooth),
  color var(--transition-smooth),
  border-color var(--transition-smooth),
  box-shadow var(--transition-smooth) !important;
}

/* ========================================
 Layout Components (Centralized)
 ======================================== */
/* Navbar */
.navbar {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 20px;
    color: var(--primary-600);
    text-decoration: none;
}

.brand svg {
    width: 32px;
    height: 32px;
    fill: var(--primary-500);
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: color var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-600);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-greeting {
    font-weight: 500;
    color: var(--text-secondary);
}

.btn-logout {
    padding: 8px 16px;
    border-radius: var(--radius-md);
    background-color: var(--danger-50);
    color: var(--danger-600);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition-smooth);
}

.btn-logout:hover {
    background-color: var(--danger-100);
    color: var(--danger-700);
}

/* Page Layout */
.main-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 24px;
}

.page-header {
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px 0;
}

.page-subtitle {
    color: var(--text-secondary);
    margin: 0;
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-weight: 500;
}
.alert-success { background: var(--success-50); color: var(--success-600); border: 1px solid var(--success-200); }
.alert-error { background: var(--danger-50); color: var(--danger-600); border: 1px solid var(--danger-200); }

/* ========================================
 Admin Dashboard Components
 ======================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.dash-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.dash-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.dash-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.dash-card-icon svg {
    width: 28px;
    height: 28px;
}

.dash-card-icon--blue { background: var(--primary-50); color: var(--primary-500); }
.dash-card-icon--green { background: var(--success-50); color: var(--success-500); }
.dash-card-icon--orange { background: var(--warning-50); color: var(--warning-500); }
.dash-card-icon--purple { background: var(--accent-50); color: var(--accent-500); }

.dash-card-title {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 8px 0;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dash-card-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}