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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 170, 255, 0.1) 0%, transparent 50%);
}

.login-container {
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid #333;
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #00ff88, #0088ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: #888;
    font-size: 14px;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #aaa;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    color: #e0e0e0;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #00ff88;
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.login-button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #00ff88, #00aa44);
    border: none;
    border-radius: 8px;
    color: #000;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.login-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.3);
}

.login-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.error-message {
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid rgba(255, 51, 102, 0.3);
    color: #ff3366;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.success-message {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: #00ff88;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.two-factor-section {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #333;
}

.two-factor-info {
    background: rgba(0, 136, 255, 0.1);
    border: 1px solid rgba(0, 136, 255, 0.3);
    color: #0088ff;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
}

.security-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #333;
    text-align: center;
}

.security-info p {
    color: #666;
    font-size: 12px;
    margin-bottom: 10px;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #888;
    font-size: 12px;
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #333;
    border-top-color: #00ff88;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.rate-limit-warning {
    background: rgba(255, 153, 51, 0.1);
    border: 1px solid rgba(255, 153, 51, 0.3);
    color: #ff9933;
    padding: 12px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 12px;
    text-align: center;
}

.ip-display {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #666;
    font-size: 12px;
}

@media (max-width: 480px) {
    .login-container {
        margin: 20px;
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
}