:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5a623;
    --background-color: #f8f9fa;
    --text-color: #333;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    margin-top: 50px;
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.login-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-weight: 600;
}

.form-control {
    border: none;
    border-bottom: 2px solid #e0e0e0;
    border-radius: 0;
    padding: 10px 5px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: none;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #3a7bd5;
    transform: translateY(-2px);
}

.list-group-item {
    border: none;
    padding: 10px 0;
    font-size: 0.9rem;
}

.modal-content {
    border-radius: 12px;
}

.modal-header {
    background-color: var(--primary-color);
    color: #fff;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.modal-body {
    max-height: 400px;
    overflow-y: auto;
    padding: 20px;
}

.fade-in {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.fade-in.show {
    opacity: 1;
}

.input-icon {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    color: var(--primary-color);
}