/* LOGIN PAGE CSS START  */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --success-color: #4cc9f0;
    --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
    animation: fadeInUp 0.6s ease-out;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.login-header {
    background: var(--gradient);
    color: white;
    padding: 30px 20px;
    text-align: center;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-container {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px;
}

.logo {
    max-width: 100%;
    max-height: 100%;
    border-radius: 5px;
}

.login-header p {
    opacity: 0.9;
    font-size: 0.9rem;
}

.login-body {
    padding: 30px;
}

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

.form-label {
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
    outline: none;
}

.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
}

.btn-login {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(67, 97, 238, 0.3);
}

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

.alert {
    border-radius: 12px;
    border: none;
    padding: 12px 16px;
    margin-bottom: 20px;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border-left: 4px solid #dc3545;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 25px;
}

.feature-item {
    text-align: center;
    padding: 15px;
    background: rgba(67, 97, 238, 0.05);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.feature-text {
    font-size: 0.8rem;
    color: #666;
    font-weight: 500;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading animation */
.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: button-loading-spinner 1s ease infinite;
}

@keyframes button-loading-spinner {
    from {
        transform: rotate(0turn);
    }
    to {
        transform: rotate(1turn);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        max-width: 100%;
    }
    
    .login-body {
        padding: 25px 20px;
    }
    
    .login-header {
        padding: 25px 20px;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
    
    .logo-container {
        width: 35px;
        height: 35px;
        margin-right: 10px;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}