/* Página de login */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #0f172a;
    color: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: #1e293b;
    padding: 35px 30px;
    border-radius: 16px;
    border: 1px solid #334155;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    text-align: center;
}

.login-card h2 { font-size: 1.5rem; margin-bottom: 20px; color: #3b82f6; }

input {
    width: 100%;
    padding: 12px 14px;
    margin: 8px 0;
    border-radius: 8px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
input:focus { border-color: #3b82f6; }

button {
    width: 100%;
    padding: 12px;
    background: #3b82f6;
    border: none;
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    margin-top: 15px;
    transition: background 0.2s;
}
button:hover { background: #2563eb; }

.error {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid #ef4444;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 15px;
    text-align: left;
}