/* ========================================
   KUDENA TOOLS - MAIN STYLESHEET
   Theme: Dark/Light with Orange Accent
   Colors: Black (#0a0a0a), White (#ffffff), Orange (#ff6b00)
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Dark Theme (Default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #141414;
    --bg-hover: #1f1f1f;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    --accent-primary: #ff6b00;
    --accent-secondary: #ff8533;
    --accent-hover: #e55a00;
    
    --border-color: #2a2a2a;
    --border-light: #333333;
    
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(255,107,0,0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f5;
    --bg-card: #ffffff;
    --bg-hover: #e9ecef;
    
    --text-primary: #1a1a1a;
    --text-secondary: #495057;
    --text-muted: #868e96;
    
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 20px rgba(255,107,0,0.2);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loading-logo {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
}

.loading-logo .logo-k {
    color: var(--accent-primary);
}

.loading-logo .logo-text {
    color: var(--text-primary);
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
    animation: loadingProgress 1.5s ease forwards;
}

@keyframes loadingProgress {
    0% { width: 0; }
    50% { width: 60%; }
    100% { width: 100%; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.9);
}

.navbar.scrolled {
    height: 60px;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
}

.nav-logo .logo-text {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent-primary);
}

.nav-link.admin-link {
    color: var(--accent-primary);
}

.nav-link.admin-link:hover {
    background: rgba(255, 107, 0, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--accent-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
}

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

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-xs) var(--space-xs) var(--space-xs);
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.user-btn:hover {
    background: var(--bg-hover);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
}

.user-name {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    width: 260px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-name {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.dropdown-email {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-sm) 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 999;
}

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

/* Main Content */
.main-content {
    min-height: calc(100vh - 70px);
    padding-top: 70px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-3xl) var(--space-lg);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.3);
    border-radius: var(--radius-xl);
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title span {
    color: var(--accent-primary);
    -webkit-text-fill-color: var(--accent-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    justify-content: center;
    margin-top: var(--space-3xl);
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-primary);
}

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

/* Section Styles */
.section {
    padding: var(--space-3xl) var(--space-lg);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.section-label {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-xl);
    color: var(--accent-primary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Tool Cards Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.05));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.tool-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.tool-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.tool-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.tool-arrow {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.tool-card:hover .tool-arrow {
    background: var(--accent-primary);
    color: white;
}

/* Categories */
.categories-grid {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto var(--space-2xl);
}

.category-btn {
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Search Bar */
.search-container {
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.search-box {
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg) var(--space-md) 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

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

.search-icon {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Forms */
.form-container {
    max-width: 450px;
    margin: 0 auto;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.form-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.form-logo {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.form-logo .logo-k {
    color: var(--accent-primary);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

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

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

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

.form-input-group {
    position: relative;
}

.form-input-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.form-input.with-icon {
    padding-left: 45px;
}

.password-toggle {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    cursor: pointer;
}

.password-toggle:hover {
    color: var(--text-primary);
}

.form-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
}

.form-success {
    color: var(--success);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
}

.form-footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.form-footer a {
    color: var(--accent-primary);
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Tool Page Styles */
.tool-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.tool-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.tool-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.tool-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.tool-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

/* Calculator Styles */
.calculator {
    max-width: 400px;
    margin: 0 auto;
}

.calc-display {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    text-align: right;
}

.calc-history {
    color: var(--text-muted);
    font-size: 0.9rem;
    min-height: 20px;
}

.calc-result {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    word-wrap: break-word;
}

.calc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.calc-btn {
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.calc-btn:hover {
    background: var(--bg-hover);
}

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

.calc-btn.operator:hover {
    background: var(--accent-hover);
}

.calc-btn.equals {
    background: var(--success);
    color: white;
    grid-column: span 2;
}

.calc-btn.equals:hover {
    background: #1ea34d;
}

.calc-btn.zero {
    grid-column: span 2;
}

/* Currency Converter */
.currency-converter {
    max-width: 500px;
    margin: 0 auto;
}

.currency-row {
    display: flex;
    gap: var(--space-md);
    align-items: flex-end;
    margin-bottom: var(--space-lg);
}

.currency-input-group {
    flex: 1;
}

.currency-select {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
}

.currency-swap {
    width: 50px;
    height: 50px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.currency-swap:hover {
    background: var(--accent-primary);
    color: white;
    transform: rotate(180deg);
}

.currency-result {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    margin-top: var(--space-xl);
}

.currency-result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.currency-result-rate {
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* Password Generator */
.password-generator {
    max-width: 500px;
    margin: 0 auto;
}

.password-display {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.password-text {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 1.3rem;
    color: var(--text-primary);
    word-break: break-all;
}

.password-copy {
    width: 44px;
    height: 44px;
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.password-copy:hover {
    background: var(--accent-hover);
}

.password-options {
    margin-bottom: var(--space-xl);
}

.option-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.option-row:last-child {
    border-bottom: none;
}

.option-label {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-primary);
}

.option-icon {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

/* Custom Checkbox */
.custom-checkbox {
    position: relative;
    width: 50px;
    height: 26px;
}

.custom-checkbox input {
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.checkbox-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.custom-checkbox input:checked + .checkbox-slider {
    background: var(--accent-primary);
}

.custom-checkbox input:checked + .checkbox-slider::before {
    transform: translateX(24px);
}

/* Length Slider */
.length-slider {
    margin-bottom: var(--space-xl);
}

.slider-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.slider-value {
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

input[type="range"] {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* QR Generator */
.qr-generator {
    max-width: 500px;
    margin: 0 auto;
}

.qr-input {
    margin-bottom: var(--space-xl);
}

.qr-result {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.qr-image {
    max-width: 250px;
    margin: 0 auto var(--space-lg);
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-md);
}

/* Color Picker */
.color-picker {
    max-width: 500px;
    margin: 0 auto;
}

.color-display {
    height: 150px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.color-value {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 1.2rem;
}

.color-inputs {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.color-input-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.color-input-group label {
    width: 60px;
    font-weight: 500;
}

.color-input-group input[type="text"] {
    flex: 1;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.color-input-group input[type="color"] {
    width: 50px;
    height: 44px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* Prompt Cards */
.prompts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.prompt-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.prompt-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.prompt-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.prompt-video {
    width: 100%;
    height: 250px;
    background: var(--bg-tertiary);
}

.prompt-content {
    padding: var(--space-lg);
}

.prompt-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.prompt-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    max-height: 100px;
    overflow: hidden;
    position: relative;
    margin-bottom: var(--space-md);
}

.prompt-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background: linear-gradient(transparent, var(--bg-card));
}

.prompt-actions {
    display: flex;
    gap: var(--space-sm);
}

.btn-copy {
    flex: 1;
    padding: var(--space-md);
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background: var(--accent-hover);
}

.btn-copy.copied {
    background: var(--success);
}

/* Contact Form */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
}

.contact-item i {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.contact-item h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Admin Dashboard */
.admin-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: calc(100vh - 70px);
}

.admin-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--space-lg);
}

.admin-nav {
    list-style: none;
}

.admin-nav li {
    margin-bottom: var(--space-xs);
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.admin-nav a:hover,
.admin-nav a.active {
    background: var(--accent-primary);
    color: white;
}

.admin-content {
    padding: var(--space-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.stat-card-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 107, 0, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.stat-card-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.stat-card-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.data-table td {
    color: var(--text-primary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-width: 300px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--error);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--info);
}

.toast-icon {
    font-size: 1.2rem;
}

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

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

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

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

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.toast-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.toast-close {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

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

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-fast);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-small {
    max-width: 400px;
    text-align: center;
    padding: var(--space-2xl);
}

.modal-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 107, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.modal-icon i {
    font-size: 2rem;
    color: var(--accent-primary);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.modal-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.modal-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.modal-close-text {
    margin-top: var(--space-lg);
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.modal-close-text:hover {
    color: var(--text-primary);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

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

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-3xl) var(--space-lg) var(--space-xl);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.footer-desc {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    color: white;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-newsletter p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-legal a:hover {
    color: var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--space-lg);
        transition: left var(--transition-normal);
        z-index: 998;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        width: 100%;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .prompts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .calc-buttons {
        gap: var(--space-xs);
    }
    
    .calc-btn {
        padding: var(--space-md);
    }
    
    .currency-row {
        flex-direction: column;
    }
    
    .currency-swap {
        align-self: center;
        transform: rotate(90deg);
    }
    
    .currency-swap:hover {
        transform: rotate(270deg);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .nav-logo .logo-text {
        display: none;
    }
    
    .btn span {
        display: none;
    }
    
    .user-name {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .form-container {
        padding: var(--space-lg);
    }
    
    .modal-actions {
        flex-direction: column;
    }
}

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

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

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

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

/* Selection */
::selection {
    background: var(--accent-primary);
    color: white;
}