body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 400px;
    margin: 50px auto;
    background: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
    color: #333;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
    display: block;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px;
    text-decoration: none;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
    margin-left: 10px;
}

.btn-warning {
    color: #212529;
    background-color: #ffc107;
    border-color: #ffc107;
}

.btn-danger {
    color: #fff;
    background-color: #dc3545;
    border-color: #dc3545;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.my-5 {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.ml-3 {
    margin-left: 1rem;
}

/* Login page specific styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.login-box h2 {
    color: #2d3748;
    font-size: 28px;
    margin-bottom: 30px;
    font-weight: 600;
}

.login-box .form-group {
    margin-bottom: 25px;
}

.login-box label {
    color: #4a5568;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.login-box .form-control {
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 15px;
}

.login-box .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

.login-box .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: 500;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.login-box .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.login-box p {
    text-align: center;
    margin-top: 20px;
    color: #4a5568;
}

.login-box a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-box a:hover {
    color: #764ba2;
}

.login-box .alert {
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 25px;
    font-size: 14px;
}

.login-box .alert-danger {
    background-color: #fff5f5;
    border: 1px solid #feb2b2;
    color: #c53030;
}

.login-box .invalid-feedback {
    font-size: 13px;
    margin-top: 6px;
    color: #c53030;
}

.login-box .is-invalid {
    border-color: #feb2b2;
}

.login-box .is-invalid:focus {
    border-color: #feb2b2;
    box-shadow: 0 0 0 3px rgba(254, 178, 178, 0.1);
}

/* Purple Theme Extensions */
.bg-purple {
    background-color: #6f42c1 !important;
}

.text-purple {
    color: #6f42c1 !important;
}

.border-purple {
    border-color: #6f42c1 !important;
}

.btn-purple {
    color: #fff;
    background-color: #6f42c1;
    border-color: #6f42c1;
}

.btn-purple:hover {
    color: #fff;
    background-color: #5a32a3;
    border-color: #5a32a3;
}

.btn-outline-purple {
    color: #6f42c1;
    background-color: transparent;
    border-color: #6f42c1;
}

.btn-outline-purple:hover {
    color: #fff;
    background-color: #6f42c1;
    border-color: #6f42c1;
}

.bg-purple-light {
    background-color: #e9ecef !important;
}

.text-purple-light {
    color: #e9ecef !important;
}

.border-purple-light {
    border-color: #e9ecef !important;
}

.bg-purple-dark {
    background-color: #4a2b8a !important;
}

.text-purple-dark {
    color: #4a2b8a !important;
}

.border-purple-dark {
    border-color: #4a2b8a !important;
}

/* Purple Alert */
.alert-purple {
    color: #2c1810;
    background-color: #f3e8fd;
    border-color: #f3e8fd;
}

/* Purple Badge */
.badge-purple {
    color: #fff;
    background-color: #6f42c1;
}

/* Purple Progress Bar */
.progress-bar-purple {
    background-color: #6f42c1;
}

/* Purple Table */
.table-purple {
    color: #6f42c1;
    background-color: rgba(111, 66, 193, 0.075);
}

.table-purple thead th {
    border-bottom-color: #6f42c1;
    color: #6f42c1;
}

/* Purple Form Controls */
.form-control-purple:focus {
    border-color: #6f42c1;
    box-shadow: 0 0 0 0.2rem rgba(111, 66, 193, 0.25);
}

/* Purple Custom Checkbox */
.custom-checkbox-purple .custom-control-input:checked ~ .custom-control-label::before {
    background-color: #6f42c1;
    border-color: #6f42c1;
}

/* Purple Custom Radio */
.custom-radio-purple .custom-control-input:checked ~ .custom-control-label::before {
    background-color: #6f42c1;
    border-color: #6f42c1;
}

/* Purple Custom Select */
.custom-select-purple:focus {
    border-color: #6f42c1;
    box-shadow: 0 0 0 0.2rem rgba(111, 66, 193, 0.25);
}

/* Purple Custom Range */
.custom-range-purple::-webkit-slider-thumb {
    background: #6f42c1;
}

.custom-range-purple::-moz-range-thumb {
    background: #6f42c1;
}

.custom-range-purple::-ms-thumb {
    background: #6f42c1;
}

/* Purple Custom File */
.custom-file-purple:focus ~ .custom-file-label {
    border-color: #6f42c1;
    box-shadow: 0 0 0 0.2rem rgba(111, 66, 193, 0.25);
}