:root {
    --bg: #0f172a;
    --card: #111827;
    --muted: #9ca3af;
    --accent: #22d3ee;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, system-ui, Arial, sans-serif;
    background: linear-gradient(135deg,#0f172a,#020617);
    color: #e5e7eb;
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.card {
    width: min(420px, 92vw);
    background: rgba(17,24,39,.72);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 10px 30px rgba(0,0,0,.45);
}

h1 {
    margin: 0 0 6px;
    font-size: 24px;
}

p.sub {
    margin: 0 0 16px;
    color: #94a3b8;
}

.row {
    display: grid;
    gap: 12px;
    margin: 16px 0;
}

label {
    font-size: 12px;
    color: #cbd5e1;
}

input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid #334155;
    background: #0b1220;
    color: #e5e7eb;
    outline: none;
}

    input:focus {
        border-color: #22d3ee;
        box-shadow: 0 0 0 3px rgba(34,211,238,.2);
    }

.btn {
    width: 100%;
    padding: 12px 14px;
    background: linear-gradient(90deg,#eeaf22, #d4ce06);
    color: #0c111c;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
}

    .btn:hover {
        filter: brightness(1.05);
    }

.msg {
    background: #1f2937;
    border: 1px solid #374151;
    color: #fca5a5;
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.logo {
    width: 38px;
    height: 38px;
    background: #eeb922;
    border-radius: 10px;
    display: grid;
    place-items: center;
    color: #0c111c;
    font-weight: 800;
}

small.foot {
    display: block;
    margin-top: 14px;
    color: #64748b;
    text-align: center;
}