:root {
    --theme-primary: #111827;
    --page-bg: #f0f2f5;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
}

body {
    background-color: var(--page-bg);
}

.registration-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.registration-card {
    border-radius: 1rem;
    overflow: hidden;
    border: none;
}

.form-header {
    background: linear-gradient(135deg, #111827, #1f2937);
    color: #ffffff;
    padding: 2.5rem;
    text-align: center;
}

.logo {
    max-width: 90px;
    height: auto;
    margin-bottom: 1rem;
    padding: 10px;
}

.form-header h2 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.form-body {
    padding: 2rem 3rem;
}

@media (max-width: 767px) {
    .form-body {
        padding: 1.5rem;
    }
}

.form-section-title {
    font-weight: 600;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    color: var(--theme-primary);
}

.form-control-lg,
.form-select-lg {
    border-radius: 0.5rem;
    background-color: #f8f9fa;
}

.form-control:focus,
.form-select:focus {
    box-shadow: none;
    border-color: var(--theme-primary);
    background-color: var(--card-bg);
}

.btn-primary {
    background-color: var(--theme-primary);
    border-color: var(--theme-primary);
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    border-radius: 0.5rem;
}

.btn-primary:hover {
    opacity: 0.9;
}

.form-check-input {
    border-color: var(--theme-primary);
    width: 1.25rem;
    height: 1.25rem;
}

.form-check-input:checked {
    background-color: var(--theme-primary);
    border-color: var(--theme-primary);
}

.select2-container--default .select2-selection--single {
    height: calc(2.875rem + 2px);
    padding: 0.5rem 1rem;
    font-size: 1.125rem;
    border: 1px solid #ced4da;
    border-radius: 0.5rem;
    background-color: #f8f9fa;
}

.select2-container--default .select2-selection--single:focus,
.select2-container--default.select2-container--open .select2-selection--single {
    border-color: var(--theme-primary) !important;
    box-shadow: none !important;
}

.select2-container--default
    .select2-selection--single
    .select2-selection__rendered {
    font-size: 1.125rem;
    line-height: 1.8rem;
    color: var(--theme-primary);
    padding-left: 0;
}

.select2-container--default
    .select2-selection--single
    .select2-selection__arrow {
    height: 100%;
    right: 15px;
}

.select2-container--default
    .select2-results__option--highlighted[aria-selected] {
    background-color: var(--theme-primary);
    color: #fff;
}

.modal-content {
    border-radius: 1rem;
    border: none;
}

.modal-header {
    background-color: var(--theme-primary);
    color: #ffffff;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
}

.modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.modal-title {
    font-weight: 600;
}

.modal-body ol {
    padding-left: 1.5rem;
}

label a {
    color: var(--theme-primary);
}

.custom-file-upload {
    position: relative;
    border: 2px dashed #ccc;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s;
    background-color: #fafafa;
}

.custom-file-upload.dragover {
    border-color: #007bff;
    background-color: #e6f0ff;
}

.custom-file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.custom-file-upload .upload-text {
    color: #666;
    font-size: 16px;
}

.preview-container {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.file-preview {
    position: relative;
    width: 100%;
    max-width: 100%;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
}

.file-preview img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.file-details {
    padding: 15px;
    font-size: 15px;
    color: #333;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
}

.file-details strong {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    word-break: break-word;
}

.remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 0, 0, 0.85);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
    z-index: 2;
}

.remove-btn:hover {
    background: red;
}

#submit-button:disabled {
    cursor: not-allowed;
}

/* --- Show Password Toggle Styles --- */
.password-wrapper {
    position: relative;
}

.password-toggle-icon {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    cursor: pointer;
    color: #6c757d;
    /* Muted color */
    font-size: 1.25rem;
}

/* --- Password Strength Indicator Styles --- */
#password-strength-indicator {
    display: flex;
    gap: 0.25rem;
    /* Space between bars */
    height: 6px;
}

.strength-bar {
    flex: 1;
    background-color: #e9ecef;
    /* Default grey color */
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

/* Color classes that will be added by JavaScript */
.strength-bar.weak {
    background-color: #dc3545;
}

/* Red */
.strength-bar.medium {
    background-color: #ffc107;
}

/* Yellow */
.strength-bar.strong {
    background-color: #198754;
}

/* Green */

#password-strength-text {
    font-weight: 500;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.45);
    backdrop-filter: blur(2px);
    display: grid;
    place-items: center;
    z-index: 2000;
}

.loading-overlay[hidden] {
    display: none !important;
}

.loading-content {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 0.75rem;
    padding: 1.5rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.success-check {
    font-size: 56px;
    color: #16a34a;
    line-height: 1;
}