:root {
    --bg1: #0f172a;
    --bg2: #1e293b;
    --accent: #22d3ee;
    --accent-soft: rgba(34, 211, 238, 0.22);
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --card: rgba(15, 23, 42, 0.62);
    --border: rgba(148, 163, 184, 0.24);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    background: radial-gradient(circle at 10% 15%, #1d4ed8 0%, transparent 42%), radial-gradient(circle at 85% 20%, #0891b2 0%, transparent 40%), linear-gradient(135deg, var(--bg1), var(--bg2));
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.lock-shell {
    width: min(980px, 100%);
    min-height: 470px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(14px);
    box-shadow: 0 30px 80px rgba(2, 6, 23, 0.6);
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.lock-brand {
    padding: 2.5rem;
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.74), rgba(30, 41, 59, 0.56));
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem .75rem;
    border-radius: 999px;
    font-size: .82rem;
    color: #67e8f9;
    background: var(--accent-soft);
    border: 1px solid rgba(34, 211, 238, 0.35);
    margin-bottom: 1.25rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #22d3ee;
    box-shadow: 0 0 0 5px rgba(34, 211, 238, 0.2);
}

.brand-title {
    font-size: clamp(1.8rem, 2.5vw, 2.3rem);
    font-weight: 700;
    margin-bottom: .65rem;
    line-height: 1.2;
    max-width: 14ch;
}

.brand-sub {
    color: var(--text-muted);
    max-width: 40ch;
    margin-bottom: 0;
    line-height: 1.65;
}

.lock-panel {
    padding: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.panel-card {
    width: 100%;
    max-width: 370px;
}

.avatar {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 700;
    color: #0f172a;
    background: linear-gradient(140deg, #67e8f9, #22d3ee);
    margin-bottom: .85rem;
}

.panel-title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
}

.panel-sub {
    color: var(--text-muted);
    margin-bottom: 1.35rem;
}

.form-control {
    border-radius: 10px;
    padding: .72rem .85rem;
    background-color: rgba(15, 23, 42, 0.5);
    border-color: var(--border);
    color: var(--text-main);
}

.form-control:focus {
    background-color: rgba(15, 23, 42, 0.64);
    border-color: #22d3ee;
    box-shadow: 0 0 0 .2rem rgba(34, 211, 238, 0.2);
    color: var(--text-main);
}

.form-label,
.form-check-label {
    color: #cbd5e1;
}

.btn-unlock {
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: .78rem .9rem;
    font-weight: 600;
    background: linear-gradient(120deg, #06b6d4, #0284c7);
    color: #f8fafc;
    transition: transform .16s ease, box-shadow .16s ease;
}

.btn-unlock:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(2, 132, 199, 0.34);
}

.assist-links {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    font-size: .9rem;
}

.assist-links a {
    color: #67e8f9;
    text-decoration: none;
}

.assist-links a:hover {
    text-decoration: underline;
}

@media (max-width: 900px) {
    .lock-shell {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .lock-brand {
        border-right: 0;
        border-bottom: 1px solid var(--border);
        justify-content: flex-start;
    }
}