/* ===================================
   AI Music Talk - Main Stylesheet
   Version: 3.0 - Modern & Responsive
   =================================== */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #121827;
    --bg-card: #1a1f35;
    --bg-hover: #222842;
    
    --text-primary: #e8eef7;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --border-color: #2a3147;
    --border-hover: #3d4866;
    
    --accent-blue: #3b82f6;
    --accent-blue-light: #60a5fa;
    --accent-blue-dark: #2563eb;
    
    --success: #10b981;
    --success-light: #34d399;
    --error: #ef4444;
    --error-light: #f87171;
    --warning: #f59e0b;
    
    /* Spacing */
    --container-max: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent-blue-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

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

/* ==================== HEADER ==================== */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(18, 24, 39, 0.95);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.site-name {
    font-size: 1.375rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.site-name:hover {
    color: var(--accent-blue-light);
    text-decoration: none;
}

.site-tagline {
    font-size: 0.813rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-admin {
    padding: 0.625rem 1.125rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-admin:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    text-decoration: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* ==================== NAVIGATION ==================== */
.nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 82px;
    z-index: 90;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.nav-container::-webkit-scrollbar {
    height: 4px;
}

.nav-container::-webkit-scrollbar-track {
    background: transparent;
}

.nav-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
    text-decoration: none;
}

.nav-link.active {
    color: var(--accent-blue-light);
    border-bottom-color: var(--accent-blue);
}

.nav-icon {
    font-size: 1rem;
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    flex: 1;
    padding: var(--spacing-2xl) 0;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==================== HERO SECTION ==================== */
.hero {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    border: 1px solid var(--border-color);
}

.hero-small {
    padding: var(--spacing-xl);
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb-sep {
    color: var(--text-muted);
}

/* ==================== GRID LAYOUTS ==================== */
.grid-main {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* ==================== CARDS ==================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.card-main {
    grid-column: 1;
}

.card-sidebar {
    grid-column: 2;
}

.card-footer {
    margin-top: var(--spacing-xl);
}

/* ==================== FORMS ==================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.label-icon {
    font-size: 1rem;
}

input[type="text"],
input[type="url"],
select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.938rem;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
}

input[type="text"]:focus,
input[type="url"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 240px;
    gap: var(--spacing-md);
}

.form-submit label {
    opacity: 0;
    pointer-events: none;
}

/* ==================== STATUS BOX ==================== */
.status-box {
    margin-top: var(--spacing-md);
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    transition: all 0.3s ease;
}

.status-box.status-ok {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
}

.status-box.status-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
}

.status-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}

.status-box.status-ok .status-dot {
    background: var(--success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.status-box.status-error .status-dot {
    background: var(--error);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.status-text {
    font-size: 0.875rem;
    line-height: 1.4;
}

.service-badge {
    padding: 0.375rem 0.75rem;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-blue-light);
    white-space: nowrap;
}

/* ==================== BUTTONS ==================== */
button, .btn-primary, .btn-secondary {
    padding: 0.875rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.938rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-dark) 100%);
    border-color: var(--accent-blue);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    text-decoration: none;
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
    text-decoration: none;
}

.btn-example {
    padding: 0.625rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-example:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.btn-copy {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

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

.btn-icon-small {
    padding: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-small:hover {
    background: var(--bg-hover);
    transform: scale(1.1);
    text-decoration: none;
}

.btn-icon {
    font-size: 1.125rem;
}

.btn-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ==================== EXAMPLE SECTION ==================== */
.example-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.example-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

/* ==================== SERVICES GRID ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.5rem;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.service-chip {
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.813rem;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 600;
}

/* ==================== ALERTS ==================== */
.alert {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease-out;
}

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

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
}

.alert-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-content strong {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.alert-content p {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ==================== RESULT BOX ==================== */
.result-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.result-link {
    font-family: var(--font-mono);
    font-size: 0.938rem;
    color: var(--accent-blue-light);
    font-weight: 600;
    flex: 1;
    min-width: 200px;
}

.result-meta {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.result-meta code {
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    color: var(--accent-blue-light);
}

/* ==================== BENEFITS SIDEBAR ==================== */
.sidebar-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.benefit {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: transform 0.2s ease;
}

.benefit:hover {
    transform: translateX(4px);
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-weight: 700;
    font-size: 0.938rem;
    margin-bottom: 0.25rem;
}

.benefit-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==================== STATS BAR ==================== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-blue-light);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==================== LINKS GRID ==================== */
.links-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.link-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    transition: all 0.2s ease;
}

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

.link-rank {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-blue-light);
    min-width: 50px;
    text-align: center;
}

.link-content {
    flex: 1;
    min-width: 0;
}

.link-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.link-short {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-blue-light);
}

.link-short:hover {
    color: var(--accent-blue);
}

.link-service {
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.link-url {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.link-url-icon {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.link-original {
    font-size: 0.875rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.link-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.875rem;
}

.link-clicks, .link-date {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--text-secondary);
}

.meta-icon {
    font-size: 1rem;
}

.meta-value {
    font-weight: 600;
}

.meta-label {
    color: var(--text-muted);
}

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

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding: var(--spacing-2xl) 0;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand strong {
    font-size: 1.125rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

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

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.813rem;
}

/* ==================== LOADING SPINNER ==================== */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

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

/* Tablets */
@media (max-width: 900px) {
    .grid-main {
        grid-template-columns: 1fr;
    }
    
    .card-sidebar {
        grid-column: 1;
    }
    
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-submit {
        grid-column: 1 / -1;
    }
    
    .form-submit label {
        display: none;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .header {
        padding: 1rem 0;
    }
    
    .header-container {
        padding: 0 var(--spacing-md);
    }
    
    .logo {
        width: 40px;
        height: 40px;
    }
    
    .site-name {
        font-size: 1.125rem;
    }
    
    .site-tagline {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-actions {
        display: none;
    }
    
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 14, 26, 0.98);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav-container {
        flex-direction: column;
        padding: var(--spacing-2xl) var(--spacing-lg);
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 1rem;
        font-size: 1rem;
        border-bottom: 1px solid var(--border-color);
        border-left: 2px solid transparent;
    }
    
    .nav-link.active {
        border-left-color: var(--accent-blue);
        border-bottom-color: var(--border-color);
    }
    
    .hero {
        padding: var(--spacing-xl);
        margin-bottom: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.938rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .stats-bar {
        grid-template-columns: 1fr;
    }
    
    .link-card {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .link-rank {
        font-size: 1.25rem;
        min-width: auto;
        text-align: left;
    }
    
    .link-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .result-box {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .result-link {
        min-width: auto;
        word-break: break-all;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Small Mobile */
@media (max-width: 380px) {
    .site-name {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 1.25rem;
    }
    
    .btn-example span:last-child {
        display: none;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .header,
    .nav,
    .footer,
    .btn-example,
    .btn-copy,
    .link-actions,
    .mobile-menu-toggle {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        border: 1px solid #ddd;
        box-shadow: none;
    }
}