/* Google Fonts - Inter & Fira Code for terminal commands */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;600&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Color Variables & Styling Tokens */
:root {
    --bg-main: #080c14;
    --bg-card: rgba(15, 23, 42, 0.65);
    --bg-glass: rgba(15, 23, 42, 0.45);
    --border-glass: rgba(255, 255, 255, 0.06);
    --border-glass-active: rgba(0, 242, 254, 0.3);
    
    --color-primary: #00f2fe;     /* Cyber Teal */
    --color-secondary: #9d4edd;   /* Cyber Purple */
    --color-success: #00ff66;     /* Hack Green */
    --color-warning: #ffb703;     /* Alert Amber */
    
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dark: #0f172a;
    
    --glow-cyan: 0 0 15px rgba(0, 242, 254, 0.45);
    --glow-purple: 0 0 15px rgba(157, 78, 221, 0.45);
    --glow-green: 0 0 15px rgba(0, 255, 102, 0.35);
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
    box-shadow: var(--glow-cyan);
}

/* Global Reset & Body */
body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 242, 254, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(157, 78, 221, 0.05) 0px, transparent 50%);
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Chrome, Safari, Edge Autofill Overrides */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 1000px rgba(15, 23, 42, 0.95) inset !important;
    -webkit-text-fill-color: var(--text-main) !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* Layout Elements */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

/* Header & Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-gradient-cyan {
    background: linear-gradient(135deg, #ffffff 30%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
    background: linear-gradient(135deg, #ffffff 30%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Sidebar & Navigation */
.navbar-custom {
    background: rgba(8, 12, 20, 0.8) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

.navbar-brand-cyber {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.navbar-brand-cyber span {
    color: var(--color-primary);
    text-shadow: var(--glow-cyan);
}

/* Category Filter Badges */
.category-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.category-btn i {
    font-size: 1.1rem;
}

.category-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
    transform: translateY(-2px);
}

.category-btn.active {
    background: linear-gradient(135deg, var(--color-primary), #0099ff);
    color: var(--text-dark);
    font-weight: 600;
    border-color: transparent;
    box-shadow: var(--glow-cyan);
}

/* Tool Cards */
.tool-card {
    height: 100%;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-active);
    box-shadow: 0 10px 25px -5px rgba(0, 242, 254, 0.08);
}

.tool-card:hover::before {
    opacity: 1;
    width: 6px;
    box-shadow: 0 0 10px var(--color-primary);
}

.tool-badge {
    background: rgba(0, 242, 254, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(0, 242, 254, 0.2);
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 6px;
}

/* Command Block (Terminal Design) */
.command-block {
    background: #04060b;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 15px;
    position: relative;
    margin-top: 15px;
}

.command-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
    margin-bottom: 10px;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.command-content {
    font-family: var(--font-mono);
    color: var(--color-success);
    font-size: 0.85rem;
    white-space: pre-wrap;
    margin: 0;
    text-shadow: 0 0 4px rgba(0, 255, 102, 0.3);
}

.btn-copy {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.btn-copy:hover {
    color: var(--color-primary);
    background: rgba(0, 242, 254, 0.1);
    border-color: var(--color-primary);
}

/* Glowing Neon Buttons */
.btn-cyber-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #00bcff 100%);
    color: var(--text-dark);
    font-weight: 600;
    border: none;
    box-shadow: var(--glow-cyan);
    transition: var(--transition-smooth);
}

.btn-cyber-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 22px rgba(0, 242, 254, 0.7);
    color: var(--text-dark);
}

.btn-cyber-secondary {
    background: transparent;
    border: 1px solid var(--color-secondary);
    color: var(--text-main);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-cyber-secondary:hover {
    background: var(--color-secondary);
    box-shadow: var(--glow-purple);
    transform: translateY(-2px);
    color: #fff;
}

/* Glass Inputs & Form Fields */
.form-glass-input {
    background: rgba(15, 23, 42, 0.45) !important;
    border: 1px solid var(--border-glass) !important;
    color: var(--text-main) !important;
    border-radius: 10px !important;
    padding: 12px 16px !important;
    transition: var(--transition-smooth) !important;
}

.form-glass-input:focus {
    background: rgba(15, 23, 42, 0.7) !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.25) !important;
    outline: none !important;
}

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

/* Glowing text effects */
.glow-text-cyan {
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
}

/* Dynamic Entrance Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}