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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 40px 30px;
    text-align: center;
}

.logo h1 {
    color: #333;
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 600;
}

.logo p {
    color: #666;
    font-size: 1.1em;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    color: #333;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95em;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
}

.login-btn {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease;
    margin-bottom: 20px;
}

.login-btn:hover {
    transform: translateY(-2px);
}

.login-btn:active {
    transform: translateY(0);
}

.error {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 6px;
    border-left: 4px solid #c33;
    font-size: 0.9em;
    margin-top: 15px;
}
.success {
    background: #efe;
    color: #2d5a2d;
    padding: 12px;
    border-radius: 6px;
    border-left: 4px solid #28a745;
    font-size: 0.9em;
    margin-bottom: 20px;
    font-weight: 500;
}

.info {
    color: #666;
    font-size: 0.9em;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

@media (max-width: 480px) {
    .login-container {
        padding: 10px;
    }
    
    .login-box {
        padding: 30px 20px;
    }
}