/* ==========================================================================
   DualLink Hub & Generator - Modern Glassmorphism Theme
   ========================================================================== */

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

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(21, 30, 49, 0.7);
    --bg-card-hover: rgba(30, 43, 69, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --border-light: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(99, 102, 241, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-crimson: #ef4444;
    --accent-crimson-hover: #dc2626;
    --accent-indigo: #6366f1;
    --accent-indigo-hover: #4f46e5;
    --accent-cyan: #06b6d4;
    --accent-purple: #a855f7;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(239, 68, 68, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.05) 0px, transparent 60%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* Header & Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    background: rgba(11, 15, 25, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.4rem;
    font-weight: 800;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-btn {
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-normal);
}

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

.nav-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.nav-btn-primary {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

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

/* Layout Containers */
.main-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 1rem 4rem;
    position: relative;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid var(--border-accent);
    border-radius: 50px;
    color: #a5b4fc;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto 2rem;
}

/* Notification Banner */
.notice-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    color: #fde68a;
    font-size: 0.95rem;
}

.notice-box svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--accent-amber);
}

/* Cards Grid */
.grid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.search-box {
    position: relative;
    width: 280px;
}

.search-box input {
    width: 100%;
    padding: 0.65rem 1rem 0.65rem 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

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

.link-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-indigo), var(--accent-purple));
    opacity: 0;
    transition: var(--transition-fast);
}

.link-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

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

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

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-crimson { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-indigo { background: rgba(99, 102, 241, 0.2); color: #a5b4fc; border: 1px solid rgba(99, 102, 241, 0.3); }
.badge-cyan { background: rgba(6, 182, 212, 0.2); color: #67e8f9; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-emerald { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.3); }

.link-details {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.link-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.link-item span {
    font-weight: 600;
    color: var(--text-muted);
}

.link-url {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-actions {
    display: flex;
    gap: 0.75rem;
}

.btn {
    padding: 0.7rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-normal);
}

.btn-block {
    width: 100%;
}

.btn-crimson { background: var(--accent-crimson); color: white; }
.btn-crimson:hover { background: var(--accent-crimson-hover); box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4); }

.btn-indigo { background: var(--accent-indigo); color: white; }
.btn-indigo:hover { background: var(--accent-indigo-hover); box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4); }

.btn-cyan { background: var(--accent-cyan); color: #0f172a; font-weight: 700; }
.btn-cyan:hover { filter: brightness(1.1); box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4); }

.btn-emerald { background: var(--accent-emerald); color: white; }
.btn-emerald:hover { filter: brightness(1.1); box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4); }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon {
    padding: 0.6rem;
    border-radius: var(--radius-sm);
}

/* Admin Dashboard Specifics */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 992px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
}

.panel-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.form-help {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

/* Color theme selector */
.color-picker {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.color-opt {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.color-opt.active {
    border-color: white;
    transform: scale(1.15);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

/* Live Preview Stage */
.preview-stage {
    background: #000;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem;
    overflow: hidden;
}

.preview-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--border-accent);
    color: #a5b4fc;
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    text-transform: uppercase;
    font-weight: 700;
}

/* Managed Links Table */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin-top: 1.5rem;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.custom-table th {
    background: rgba(11, 15, 25, 0.8);
    padding: 0.9rem 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--border-light);
}

.custom-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.custom-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent-indigo);
    color: white;
    padding: 0.8rem 1.4rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    font-weight: 600;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-normal);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Standalone Page View (for generated pages) */
.standalone-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.action-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    text-align: center;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.action-card h2 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.action-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}