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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0f1535 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.auth-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.auth-box {
    background: rgba(26, 31, 58, 0.95);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.auth-header {
    text-align: center;
    margin-bottom: 35px;
}

.auth-header h1 {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.auth-header p {
    color: #8b92b0;
    font-size: 16px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    color: #a5b4cb;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input {
    padding: 14px 18px;
    background: rgba(10, 14, 39, 0.6);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    color: #ffffff;
    font-size: 15px;
    outline: none;
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.form-group input::placeholder {
    color: #5a607f;
}

.auth-btn {
    margin-top: 10px;
    padding: 16px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

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

.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.auth-footer p {
    color: #8b92b0;
    font-size: 14px;
}

.auth-footer a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-footer a:hover {
    color: #60a5fa;
    text-decoration: underline;
}

.error-message {
    margin-top: 20px;
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    border-radius: 8px;
    color: #fca5a5;
    font-size: 14px;
    text-align: center;
}

.success-message {
    margin-top: 20px;
    padding: 12px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
    border-radius: 8px;
    color: #86efac;
    font-size: 14px;
    text-align: center;
}

@media (max-width: 480px) {
    .auth-box {
        padding: 30px 25px;
    }
    
    .auth-header h1 {
        font-size: 28px;
    }
}