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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f6f8;
    color: #333;
    line-height: 1.5;
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    width: 100%;
    max-width: 360px;
}

.login-box h1 {
    margin-bottom: 24px;
    font-size: 24px;
    text-align: center;
}

.login-box label {
    display: block;
    margin-bottom: 16px;
    font-size: 14px;
    color: #555;
}

.login-box input {
    width: 100%;
    padding: 10px 12px;
    margin-top: 6px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 15px;
}

.login-box input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.15);
}

.login-box button {
    width: 100%;
    padding: 12px;
    background: #667eea;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.login-box button:hover {
    background: #5568d3;
}

.error {
    background: #fee;
    color: #c00;
    padding: 10px 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}