:root {
    --bg: #0a1623;
    --panel: #12243a;
    --text: #f5f7ff;
    --muted: #98a4c4;
    --accent: #1e90ff;
    --accent-strong: #ffb300;
    --stroke: #1e90ff44;
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", sans-serif;
    background: linear-gradient(135deg, #0a1623 0%, #1e90ff 60%, #ffb300 100%);
    color: var(--text);
    display: grid;
    place-items: center;
    padding: 24px;
    position: relative;
}

.login-card {
    width: min(420px, 100%);
    background: rgba(10, 22, 35, 0.92);
    border-radius: var(--radius);
    padding: 28px 26px 30px;
    border: 1.5px solid var(--accent);
    box-shadow: 0 24px 50px rgba(30, 144, 255, 0.18);
    display: grid;
    gap: 18px;
    position: relative;
    z-index: 1;
}

.login-header {
    display: flex;
    gap: 12px;
    align-items: center;
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(145deg, #38bdf8, #7dd3fc);
    box-shadow: 0 12px 24px rgba(56, 189, 248, 0.35);
}

.eyebrow {
    margin: 0 0 4px;
    font-family: "Share Tech Mono", monospace;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.72rem;
}

h1 {
    margin: 0;
    font-size: 1.8rem;
}

.lead {
    margin: 0;
    color: var(--muted);
}

.login-form {
    display: grid;
    gap: 12px;
}

label {
    font-weight: 600;
}

input {
    background: rgba(10, 14, 20, 0.75);
    border: 1px solid var(--stroke);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text);
    font-family: "Space Grotesk", sans-serif;
}

.btn {
    margin-top: 8px;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(145deg, #1e90ff 60%, #ffb300 100%);
    box-shadow: 0 12px 24px rgba(30, 144, 255, 0.25), 0 0 24px #ffb30044;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

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