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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0a0a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

body::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 0, 0, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 80% 80%, rgba(255, 0, 0, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

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

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

.login-box {
    background: rgba(20, 20, 20, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

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

.logo-login {
    margin-bottom: 20px;
}

.logo-login img {
    height: 70px;
    width: auto;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    color: white;
    margin-bottom: 10px;
}

.text-red {
    color: #ff0000;
}

.login-header p {
    color: #999;
    font-size: 14px;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    background: rgba(0, 0, 0, 0.3);
    padding: 5px;
    border-radius: 10px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: #999;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: #ff0000;
    color: white;
}

.tab-icon {
    font-size: 16px;
}

.form-content {
    display: none;
}

.form-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.input-group label {
    display: block;
    color: #999;
    font-size: 13px;
    margin-bottom: 8px;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 14px 16px;
    color: white;
    font-size: 14px;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #ff0000;
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

.input-group input::placeholder {
    color: #666;
}

.forgot-password {
    display: block;
    text-align: right;
    color: #ff0000;
    font-size: 13px;
    text-decoration: none;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.forgot-password:hover {
    color: #ff3333;
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    border: none;
    border-radius: 10px;
    padding: 16px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.btn-submit:hover {
    background: linear-gradient(135deg, #cc0000 0%, #ff0000 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 0, 0, 0.5);
}

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

.divider {
    text-align: center;
    color: #666;
    font-size: 13px;
    margin: 25px 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.btn-google {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 14px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-google:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: rgba(20, 20, 20, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon {
    width: 80px;
    height: 80px;
    background: #ff0000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    margin: 0 auto 20px;
    animation: pulse 1s ease infinite;
}

.error-icon {
    width: 80px;
    height: 80px;
    background: #ff0000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    margin: 0 auto 20px;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.modal-content h2 {
    font-family: 'Orbitron', sans-serif;
    color: white;
    font-size: 24px;
    margin-bottom: 10px;
}

.modal-content p {
    color: #999;
    font-size: 14px;
}

@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .login-header h2 {
        font-size: 24px;
    }
    
    .tab-btn {
        font-size: 13px;
        padding: 10px 15px;
    }
}