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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.auth-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 8px;
}

.auth-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
}

.form-group input {
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 14px;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #4a90d9;
    background: rgba(255, 255, 255, 0.1);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

button {
    padding: 14px 20px;
    border: none;
    border-radius: 8px;
    background: #4a90d9;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

button:hover:not(:disabled) {
    background: #3a7bc8;
    transform: translateY(-1px);
}

button:disabled {
    background: #555;
    cursor: not-allowed;
    transform: none;
}

.message.error {
    color: #ff6b6b;
    font-size: 14px;
    text-align: center;
    margin-top: 12px;
    min-height: 20px;
}

.message.success {
    color: #51cf66;
    font-size: 14px;
    text-align: center;
    margin-top: 12px;
    min-height: 20px;
}