* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f1f5f9;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 40px 36px;
    width: 100%;
    max-width: 340px;
}

.login-card h1 {
    font-size: 22px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 28px;
}

.login-card label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 6px;
}

.login-card input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 18px;
}

.login-card input:focus {
    outline: none;
    border-color: #3b82f6;
}

.login-card button {
    width: 100%;
    padding: 11px;
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.login-card button:hover {
    background: #2563eb;
}

.login-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 13px;
    margin-bottom: 18px;
}