:root {
    --bg: #0f172a;
    --card: #1e293b;
    --border: #334155;
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --error: #ef4444;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
}

.logo svg { stroke: var(--accent); }

.subtitle {
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 1.25rem;
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.notice {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
    color: var(--muted);
}

input {
    width: 100%;
    background-color: #0b1120;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.75rem;
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus { border-color: var(--accent); }

.btn {
    width: 100%;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

.btn:hover { background-color: var(--accent-hover); }

.status-box {
    margin-top: 1.25rem;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    text-align: center;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.hidden { display: none; }

.footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
}

.legal-links a {
    color: var(--muted);
    text-decoration: none;
    margin: 0 0.25rem;
}

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