:root {
    --bg: #0f172a;
    --panel: #111827;
    --panel-2: #0b1220;
    --accent: #38bdf8;
    --accent-2: #22d3ee;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --danger: #ef4444;
    --border: rgba(148, 163, 184, 0.2);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", "IBM Plex Sans", "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1e293b 0%, #0f172a 55%, #020617 100%);
    color: var(--text);
    display: grid;
    place-items: center;
}
.shell {
    width: min(980px, 94vw);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
}
.hero {
    padding: 36px;
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(56, 189, 248, 0.15), rgba(34, 211, 238, 0.05));
    border: 1px solid var(--border);
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.55);
}
.hero h1 {
    font-size: 34px;
    margin: 0 0 12px;
}
.hero p {
    color: var(--muted);
    line-height: 1.6;
    margin: 0 0 28px;
}
.hero .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(56, 189, 248, 0.12);
    color: #bae6fd;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.form-card {
    padding: 32px;
    border-radius: 20px;
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(2, 6, 23, 0.6);
}
.form-card h2 {
    margin: 0 0 6px;
    font-size: 22px;
}
.form-card p {
    margin: 0 0 24px;
    color: var(--muted);
    font-size: 14px;
}
label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    display: block;
    margin-bottom: 6px;
}
input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background: var(--panel-2);
    color: var(--text);
    font-size: 15px;
    margin-bottom: 16px;
    outline: none;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}
input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}
.submit {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0f172a;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
}
.error {
    background: rgba(239, 68, 68, 0.15);
    color: #fecaca;
    padding: 10px 12px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 14px;
}
.meta {
    margin-top: 18px;
    font-size: 12px;
    color: var(--muted);
}
@media (max-width: 860px) {
    .shell {
        grid-template-columns: 1fr;
    }
    .hero {
        order: 2;
    }
}