/* ========================================
   InstaSpark - Professional Multi-Tool Website
   Modern SaaS Dashboard CSS
   ======================================== */

/* CSS Variables for Theming */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --secondary-light: #f472b6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Dark Mode (Default) */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-light: #475569;
    
    --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 -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Variables */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --bg-card: #ffffff;
    --bg-input: #f1f5f9;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-light: #cbd5e1;
    
    --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 -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-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    color: var(--text-secondary);
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(99, 102, 241, 0.6);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

/* Mobile Navigation Menu */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-links a {
    color: var(--text-primary);
    padding: 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
}

.mobile-nav-links a:hover {
    background: var(--bg-tertiary);
    color: var(--primary);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    padding: 120px 1.5rem 80px;
    text-align: center;
    background: 
        radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366f1' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.hero h1 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    color: white;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ========================================
   TOOL CARDS & GRID
   ======================================== */

.section {
    padding: 80px 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 0.75rem;
}

.section-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    box-shadow: var(--shadow-lg);
}

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

.tool-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.tool-icon.social { background: rgba(99, 102, 241, 0.15); }
.tool-icon.ai { background: rgba(236, 72, 153, 0.15); }
.tool-icon.utility { background: rgba(6, 182, 212, 0.15); }

.tool-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.tool-card p {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.tool-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.tool-link:hover {
    gap: 0.75rem;
}

/* ========================================
   TOOL PAGE STYLES
   ======================================== */

.tool-page {
    padding: 100px 1.5rem 60px;
    max-width: 900px;
    margin: 0 auto;
}

.tool-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.tool-header h1 {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.tool-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group .hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

input[type="text"],
input[type="number"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.radio-label:hover,
.checkbox-label:hover {
    border-color: var(--border-light);
}

.radio-label input,
.checkbox-label input {
    accent-color: var(--primary);
}

.radio-label:has(input:checked),
.checkbox-label:has(input:checked) {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.range-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.range-value {
    min-width: 40px;
    text-align: center;
    font-weight: 600;
    color: var(--primary);
}

/* Results Section */
.results-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.results-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.results-container {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    min-height: 100px;
}

.result-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    transition: var(--transition);
}

.result-item:hover {
    border-color: var(--border-light);
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-text {
    flex: 1;
    word-break: break-word;
}

.result-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Stats Display */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* QR Code Display */
#qrcode {
    display: flex;
    justify-content: center;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

/* Password Strength */
.password-strength {
    margin-top: 0.75rem;
}

.strength-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    border-radius: 3px;
    transition: var(--transition);
    width: 0;
}

.strength-fill.weak { background: var(--error); width: 33%; }
.strength-fill.medium { background: var(--warning); width: 66%; }
.strength-fill.strong { background: var(--success); width: 100%; }

.strength-text {
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 600;
}

.strength-text.weak { color: var(--error); }
.strength-text.medium { color: var(--warning); }
.strength-text.strong { color: var(--success); }

/* ========================================
   STATIC PAGES
   ======================================== */

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 1.5rem 60px;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    margin-bottom: 0.75rem;
}

.content-section {
    margin-bottom: 2.5rem;
}

.content-section h2 {
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.content-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-section ul,
.content-section ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.contact-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 1.5rem 30px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ========================================
   ERROR & SUCCESS MESSAGES
   ======================================== */

.message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.message-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.message-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 100px 1rem 60px;
    }
    
    .section {
        padding: 60px 1rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-container {
        padding: 1.5rem;
    }
    
    .radio-group,
    .checkbox-group {
        flex-direction: column;
    }
    
    .radio-label,
    .checkbox-label {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header-content {
        height: 60px;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .logo img {
        width: 38px;
        height: 38px;
    }
    
    .btn {
        width: 100%;
    }
    
    .result-item {
        flex-direction: column;
    }
    
    .result-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

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

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ========================================
   TOOLS DASHBOARD
   ======================================== */

.tools-dashboard {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 1.5rem 60px;
    min-height: calc(100vh - 300px);
}

.dashboard-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-title h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.dashboard-search {
    flex: 1;
    min-width: 280px;
    max-width: 400px;
}

.dashboard-search input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: var(--transition);
}

.dashboard-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

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

/* Category Filters */
.dashboard-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.filter-btn span {
    font-size: 1.1rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* Dashboard Card */
.dashboard-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

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

.dashboard-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    background: var(--bg-secondary);
}

.card-icon.social {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.15), rgba(236, 72, 153, 0.05));
}

.card-icon.ai {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.05));
}

.card-icon.utility {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.05));
}

.card-icon.youtube {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.05));
}

.card-icon.resume {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
}

.card-content {
    flex: 1;
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.card-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    border-radius: 20px;
    color: var(--text-secondary);
}

.tag.social {
    background: rgba(236, 72, 153, 0.15);
    color: #ec4899;
}

.tag.ai {
    background: rgba(99, 102, 241, 0.15);
    color: #6366f1;
}

.tag.utility {
    background: rgba(6, 182, 212, 0.15);
    color: #06b6d4;
}

.tag.youtube {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.tag.resume {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.card-btn {
    display: block;
    width: 100%;
    padding: 0.875rem 1.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
}

.card-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--border-color);
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.no-results p {
    color: var(--text-muted);
}

/* Active nav link */
.nav-link.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

/* Responsive Dashboard */
@media (max-width: 768px) {
    .tools-dashboard {
        padding: 90px 1rem 40px;
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dashboard-title h1 {
        font-size: 1.5rem;
    }
    
    .dashboard-search {
        max-width: 100%;
        min-width: auto;
    }
    
    .dashboard-filters {
        padding: 0.75rem;
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-card {
        padding: 1.25rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.hidden {
    display: none !important;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }