:root {
    --bg: #0f172a; /* slate-900 */
    --card: #111827; /* gray-900 */
    --text: #e5e7eb; /* gray-200 */
    --muted: #9ca3af; /* gray-400 */
    --accent: #3b82f6; /* blue-500 */
    --accent-hover: #2563eb;
    --error: #ef4444; /* red-500 */
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    background: radial-gradient(1200px 800px at 20% -10%, #1f2937 0%, transparent 40%), radial-gradient(1000px 700px at 110% 10%, #1e293b 0%, transparent 35%), var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    justify-content: center;
    text-align: center;
    overflow: auto;
}

.RecuperarUsuario {
    color: lightblue;
    cursor: pointer;
}

.card {
    width: 100%;
    max-width: 380px;
    background: color-mix(in hsl, var(--card), #000 10%);
    border: 1px solid #1f2937;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: 0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.02);
    backdrop-filter: blur(6px);
}

h1 {
    margin: 0 0 8px;
    font-size: 1.35rem;
}

p.muted {
    margin: 0 0 20px;
    color: var(--muted);
    font-size: .95rem;
}

label {
    display: block;
    font-weight: 600;
    margin: 14px 0 6px;
}

.field {
    position: relative;
    display: flex;
    align-items: center;
    border: 1px solid #374151;
    border-radius: 10px;
    background: #0b1220;
    padding: 10px 12px;
}

    .field:focus-within {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(59,130,246,.25);
    }

input[type="text"], input[type="password"] {
    width: 100%;
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--text);
    font-size: .98rem;
}

.toggle {
    cursor: pointer;
    color: var(--muted);
    font-size: .9rem;
    user-select: none;
    padding-left: 10px;
}

.row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 14px 0 0;
}

    .row label.inline {
        display: inline-flex;
        gap: 8px;
        align-items: center;
        font-weight: 500;
        color: var(--muted);
        cursor: pointer;
    }

button {
    width: 100%;
    margin-top: 18px;
    padding: 12px 14px;
    background: linear-gradient(180deg, var(--accent), var(--accent-hover));
    border: 0;
    border-radius: 10px;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(59,130,246,.35);
}

    button:hover {
        filter: brightness(1.05);
    }

.error {
    color: var(--error);
    font-size: .9rem;
    margin-top: 8px;
    display: none;
}

a {
    color: var(--accent);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }