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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    overflow: hidden;
}

/* Login Background */
.login-wrapper {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #001155 0%, #0033aa 50%, #0066ff 100%);
    z-index: 0;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 150, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 100, 255, 0.3) 0%, transparent 50%);
    animation: gradientMove 15s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* Login Container */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: slideUp 0.6s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Profile Image */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.profile-image {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #0066ff;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
    animation: profilePulse 3s ease infinite;
}

@keyframes profilePulse {
    0%, 100% { box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3); }
    50% { box-shadow: 0 8px 32px rgba(0, 102, 255, 0.5); }
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.login-header h1 {
    font-size: 28px;
    color: #1a1a1a;
    margin-bottom: 8px;
    font-weight: 600;
}

.subtitle {
    color: #666;
    font-size: 15px;
    font-weight: 400;
}

/* Form Styles */
.login-form {
    margin-bottom: 24px;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: #fafafa;
}

.input-group input:focus {
    outline: none;
    border-color: #0066ff;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

.input-group input::placeholder {
    color: #999;
}

/* Login Button */
.login-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.3);
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 102, 255, 0.4);
}

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

.arrow-icon {
    transition: transform 0.3s ease;
}

.login-button:hover .arrow-icon {
    transform: translateX(4px);
}

/* Messages */
.message {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
    margin-top: 16px;
    animation: messageSlide 0.3s ease;
}

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

.message.error {
    background: #ffe6e6;
    color: #c41e3a;
    border: 1px solid #ffcccc;
}

.message.success {
    background: #e6f7e6;
    color: #2d7a2d;
    border: 1px solid #b3e6b3;
}

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

.login-card.shake {
    animation: shake 0.5s ease;
}

/* Footer */
.login-footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e0e0e0;
    text-align: center;
}

.login-footer p {
    color: #666;
    font-size: 13px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-container {
        padding: 16px;
    }
    
    .login-card {
        padding: 32px 24px;
    }
    
    .profile-image {
        width: 80px;
        height: 80px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 28px 20px;
        border-radius: 20px;
    }
    
    .login-header h1 {
        font-size: 22px;
    }
}