:root {
    --bg: #000000;
    --bg2: #050505;
    --card: #0a0a0a;
    --border: rgba(0, 102, 255, 0.10);
    --border-hover: rgba(0, 102, 255, 0.35);
    --primary: #0066ff;
    --primary-light: #3385ff;
    --primary-glow: rgba(0, 102, 255, 0.20);
    --text: #ffffff;
    --text-secondary: #e2e8f0;
    --muted: #94a3b8;
    --danger: #ef4444;
    --success: #10b981;
}

* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    box-shadow: 0 0 30px var(--primary-glow);
    object-fit: contain;
}

.title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 4px;
}

.subtitle {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 8px;
    text-align: center;
    font-family: monospace;
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus { border-color: var(--primary); }
.form-input::placeholder { letter-spacing: 2px; font-size: 14px; font-weight: 400; color: var(--muted); }

.btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 35px rgba(59, 130, 246, 0.4);
}

.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
}

.info {
    font-size: 12px;
    color: var(--muted);
    margin-top: 20px;
    line-height: 1.5;
}