/* ============================================
   SHORTLINK DARK NEON THEME - Cyber Modern
   ============================================ */

/* --- CSS Variables: Dark Neon Palette --- */
:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-surface: #16162a;
    --bg-glass: rgba(26, 26, 46, 0.6);
    --text-primary: #e0e0ff;
    --text-secondary: #b0b0d0;
    --text-heading: #ffffff;
    
    /* Neon Accents */
    --neon-cyan: #00f5d4;
    --neon-purple: #7b61ff;
    --neon-pink: #ff4d6a;
    --neon-gradient: linear-gradient(135deg, #00f5d4 0%, #7b61ff 50%, #ff4d6a 100%);
    
    /* Glow Effects */
    --glow-cyan: 0 0 20px rgba(0, 245, 212, 0.3);
    --glow-purple: 0 0 20px rgba(123, 97, 255, 0.3);
    --glow-pink: 0 0 20px rgba(255, 77, 106, 0.3);
    
    /* Glassmorphism */
    --glass-bg: rgba(22, 22, 42, 0.7);
    --glass-border: rgba(0, 245, 212, 0.1);
    --backdrop-blur: blur(12px);
}

/* --- Aurora Background Animation --- */
@keyframes aurora {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(50px, -30px) rotate(90deg); }
    50% { transform: translate(-20px, 50px) rotate(180deg); }
    75% { transform: translate(-50px, -20px) rotate(270deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.aurora-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    background: var(--bg-primary);
    overflow: hidden;
}

.aurora-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: aurora 20s infinite linear, pulse-glow 8s infinite ease-in-out;
}

.aurora-blob:nth-child(1) {
    width: 500px;
    height: 500px;
    background: var(--neon-cyan);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.aurora-blob:nth-child(2) {
    width: 400px;
    height: 400px;
    background: var(--neon-purple);
    top: 50%;
    right: -10%;
    animation-delay: -5s;
}

.aurora-blob:nth-child(3) {
    width: 350px;
    height: 350px;
    background: var(--neon-pink);
    bottom: -10%;
    left: 30%;
    animation-delay: -10s;
}

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

/* --- Navbar Glassmorphism --- */
.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 900;
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.3s, text-shadow 0.3s;
}

.nav-link:hover {
    color: var(--neon-cyan) !important;
    text-shadow: var(--glow-cyan);
}

/* --- Hero Section --- */
.hero-section {
    padding: 6rem 0 4rem;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 6s infinite ease-in-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* --- Glass Card --- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 245, 212, 0.15), var(--glow-cyan);
}

/* --- Buttons Neon --- */
.btn-neon {
    background: var(--neon-gradient);
    border: none;
    color: #0f0f1a;
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.btn-neon:hover {
    transform: scale(1.05);
    box-shadow: var(--glow-cyan), var(--glow-purple);
    color: #0f0f1a;
}

.btn-neon-outline {
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-neon-outline:hover {
    background: var(--neon-cyan);
    color: #0f0f1a;
    box-shadow: var(--glow-cyan);
}

/* --- Form Inputs --- */
.form-control {
    background: var(--bg-surface);
    border: 1px solid rgba(0, 245, 212, 0.2);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-control:focus {
    background: var(--bg-surface);
    border-color: var(--neon-cyan);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(0, 245, 212, 0.25), var(--glow-cyan);
}

.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* --- Stats Counter --- */
.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 4s infinite ease-in-out;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Alert Dark --- */
.alert-dark {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: 12px;
}

.alert-success {
    background: rgba(0, 245, 212, 0.1);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

/* --- Link List Cards --- */
.link-card {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.link-card:hover {
    transform: translateX(5px);
    box-shadow: -5px 0 0 0 var(--neon-cyan), var(--glow-cyan);
}

/* --- Footer --- */
footer {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    border-top: 1px solid var(--glass-border);
    padding: 2rem 0;
    margin-top: 4rem;
    color: var(--text-secondary);
}

/* --- Animations for Page Load --- */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up:nth-child(1) { animation-delay: 0.1s; }
.fade-in-up:nth-child(2) { animation-delay: 0.2s; }
.fade-in-up:nth-child(3) { animation-delay: 0.3s; }
.fade-in-up:nth-child(4) { animation-delay: 0.4s; }

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

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

::-webkit-scrollbar-thumb {
    background: var(--neon-purple);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

/* --- Selection --- */
::selection {
    background: var(--neon-purple);
    color: var(--text-heading);
}