/* Hackers Arena – OWASP Top 10 2025 Labs */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
    --bg: #0c0f14;
    --bg-elevated: #151a22;
    --text: #b8c4d4;
    --text-muted: #6b7a8f;
    --accent: #22c55e;
    --accent-dim: rgba(34, 197, 94, 0.15);
    --accent-hover: #4ade80;
    --danger: #ef4444;
    --danger-dim: rgba(239, 68, 68, 0.15);
    --border: rgba(34, 197, 94, 0.2);
    --radius: 10px;
    --radius-sm: 6px;
    --font: 'DM Mono', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.6;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(34, 197, 94, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 197, 94, 0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

header {
    padding: 2.5rem 1.5rem;
    text-align: center;
}

h1 {
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    font-weight: 700;
    margin: 0 0 0.35rem;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.tagline {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.home-main {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
}

.intro {
    text-align: center;
    margin: 0 0 2.25rem;
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    margin: 0 0 1.5rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.lab-grid {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.lab-card {
    margin: 0;
}

.lab-card a {
    display: block;
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
    box-shadow: var(--shadow);
    text-align: left;
}

.lab-card a:hover {
    border-color: var(--accent);
    background: rgba(21, 26, 34, 0.98);
    transform: translateY(-2px);
}

.lab-card.placeholder a:hover {
    border-color: var(--text-muted);
}

.lab-id {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.4rem;
    letter-spacing: 0.05em;
}

.lab-name {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 0.4rem;
}

.lab-desc {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.9rem;
    line-height: 1.5;
}

.lab-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    background: var(--accent);
    color: var(--bg);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.lab-badge.soon {
    background: var(--danger);
    color: #fff;
}

.home-footer {
    text-align: center;
    padding: 1.75rem 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}