:root {
    --bg: #0b1220;
    --card: #101a33;
    --text: #e6e8ee;
    --muted: #aab2c5;
    --accent: #4da3ff;
    --danger: #ff5a5f;
    --border: rgba(255, 255, 255, .08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: radial-gradient(1200px 600px at 20% 0%, rgba(77, 163, 255, .15), transparent 60%),
        radial-gradient(900px 500px at 80% 20%, rgba(255, 90, 95, .10), transparent 55%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 48px 20px;
}

.card {
    background: linear-gradient(180deg, rgba(16, 26, 51, .95), rgba(16, 26, 51, .85));
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}

.header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.logo {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .06);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

h1 {
    margin: 0;
    font-size: 22px;
}

p {
    color: var(--muted);
    line-height: 1.55;
}

hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 18px 0;
}

.form-row {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

label {
    font-size: 14px;
    color: var(--muted);
}

input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    outline: none;
}

button {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(77, 163, 255, .35);
    background: rgba(77, 163, 255, .18);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    background: rgba(77, 163, 255, .26);
}

.small {
    font-size: 13px;
}

.error {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 90, 95, .35);
    background: rgba(255, 90, 95, .12);
    color: #ffd6d7;
}

.footer {
    margin-top: 18px;
    color: var(--muted);
    font-size: 13px;
}

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
}