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

:root {
    --sidebar-width: 260px;
    --header-height: 50px;
    --primary-color: #2c3e50;
    --primary-hover: #34495e;
    --active-color: #3498db;
    --success-color: #27ae60;
    --success-hover: #229954;
    --danger-color: #e74c3c;
    --danger-hover: #c0392b;
    --bg-color: #f5f7fa;
    --text-color: #333;
    --border-color: #e1e8ed;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: auto;
    min-width: 320px;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 320px;
}

/* Header Styles */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-shadow: var(--shadow);
    z-index: 1000;
}

/* Header Left Section */
.header-left {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 6px;
    margin-right: 12px;
    z-index: 1001;
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    width: 24px;
    height: 18px;
    justify-content: space-between;
}

.hamburger-icon span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: white;
    border-radius: 2px;
    transition: var(--transition);
}

.sidebar-toggle.active .hamburger-icon span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.sidebar-toggle.active .hamburger-icon span:nth-child(2) {
    opacity: 0;
}

.sidebar-toggle.active .hamburger-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

.header-label {
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
    margin-left: 10px;
}

/* Header Center Section */
.header-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    white-space: nowrap;
}

.header-title-mobile {
    display: none;
}

.header-title-desktop {
    display: block;
}

/* Header Right Section */
.header-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    min-width: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.username {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
}

.campus-select {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}

.campus-select option {
    color: #333;
    background: white;
}

.campus-badge {
    background: rgba(255, 255, 255, 0.15);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-block;
}

.role-badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.2;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-block;
}

.badge-active {
    background-color: #d4edda;
    color: #155724;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
}

.badge-completed {
    background-color: #cce5ff;
    color: #004085;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
}

.badge-dropped {
    background-color: #f8d7da;
    color: #721c24;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: var(--danger-color);
    color: white;
    border: 1px solid var(--danger-color);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.2;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    height: fit-content;
}

.logout-btn:hover {
    background-color: var(--danger-hover);
    border-color: var(--danger-hover);
}

.logout-text {
    display: inline;
}

@media (max-width: 768px) {
    .logout-btn {
        font-size: 0.75rem;
        padding: 3px 10px;
    }
}

@media (max-width: 480px) {
    .logout-btn {
        font-size: 0.7rem;
        padding: 2px 8px;
    }
    
    .logout-text {
        font-size: 0.7rem;
    }
}

/* App Body */
.app-body {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    min-width: 0;
    overflow-x: auto;
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background-color: white;
    box-shadow: var(--shadow);
    overflow-y: auto;
    transition: var(--transition);
    z-index: 999;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.nav-link.active {
    background-color: #e8f4f8;
    color: var(--active-color);
    border-left-color: var(--active-color);
    font-weight: 600;
}

.nav-icon {
    font-size: 1.2rem;
    margin-right: 12px;
    width: 24px;
    height: 22px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-icon svg {
    display: block;
}

.nav-text {
    font-size: 0.95rem;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 20px 30px 30px 26px;
    transition: var(--transition);
    min-width: 0;
}

.content-wrapper {
    width: 100%;
    min-width: 0;
}

.welcome-section {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.welcome-section h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 2rem;
}

.welcome-section p {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.page-info {
    color: #999;
    font-size: 0.95rem;
    margin-top: 10px;
}

/* Page Content Styles */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-header h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
}

.page-header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn {
    padding: 0 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: #e8e8e8;
    color: var(--primary-color);
    border: 1px solid #d0d0d0;
}

.btn-secondary:hover {
    background-color: #d5d5d5;
    border-color: #b8b8b8;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: var(--success-hover);
}

.btn-success:disabled {
    background-color: #9ca3af;
    color: #e5e7eb;
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-success:disabled:hover {
    background-color: #9ca3af;
    transform: none;
    box-shadow: none;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--primary-color);
}

.modal-header h3 {
    margin: 0;
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    opacity: 0.8;
}

.modal-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.modal-lg {
    max-width: 900px;
}

.modal-body {
    padding: 24px;
}

.form-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h4 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--active-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger-color);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 4px;
    display: none;
    white-space: pre-line;
    line-height: 1.5;
}

.form-error.show {
    display: block;
}

/* Upload Tabs Styles */
.upload-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
    gap: 0;
}

.upload-tab {
    flex: 1;
    padding: 12px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-color);
    transition: var(--transition);
    font-weight: 500;
}

.upload-tab:hover {
    background-color: #f5f7fa;
    color: var(--active-color);
}

.upload-tab.active {
    color: var(--active-color);
    border-bottom-color: var(--active-color);
    background-color: #f0f7ff;
}

.upload-tab-content {
    display: none;
}

.upload-tab-content.active {
    display: block;
}

.sample-csv-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f0f7ff;
    border-radius: 8px;
    text-align: center;
}

.sample-csv-text {
    margin-bottom: 10px;
    color: var(--text-color);
    font-size: 0.95rem;
}

.sample-csv-section button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Upload Area Styles */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    background-color: #fafafa;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--active-color);
    background-color: #f0f7ff;
}

.upload-area.dragover {
    border-color: var(--active-color);
    background-color: #e8f4f8;
    border-style: solid;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.upload-text {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 8px;
    font-weight: 500;
}

.upload-subtext {
    font-size: 0.9rem;
    color: #999;
    margin: 10px 0;
}

.form-success {
    margin-top: 15px;
    padding: 12px;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    color: #155724;
    text-align: center;
    font-weight: 500;
}

/* Upload Progress Styles */
.upload-progress-container {
    margin-top: 20px;
    margin-bottom: 20px;
}

.upload-progress-bar {
    width: 100%;
    height: 24px;
    background-color: #e1e8ed;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.upload-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--active-color), #5dade2);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 12px;
    position: relative;
}

.upload-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

.upload-progress-text {
    text-align: center;
    margin-top: 8px;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Upload Errors Container */
.upload-errors-container {
    margin-top: 20px;
    border: 2px solid var(--danger-color);
    border-radius: 8px;
    background-color: #fff5f5;
    max-height: 400px;
    overflow-y: auto;
}

.upload-errors-header {
    padding: 12px 16px;
    background-color: #fee;
    border-bottom: 1px solid var(--danger-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.upload-errors-header strong {
    color: var(--danger-color);
    font-size: 1rem;
}

.btn-close-errors {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-close-errors:hover {
    background-color: rgba(231, 76, 60, 0.1);
}

.upload-errors-list {
    padding: 12px;
}

.upload-error-item {
    padding: 10px 12px;
    margin-bottom: 8px;
    background-color: white;
    border-left: 4px solid var(--danger-color);
    border-radius: 4px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.upload-error-item:last-child {
    margin-bottom: 0;
}

.upload-error-row {
    font-weight: 600;
    color: var(--danger-color);
    margin-bottom: 4px;
}

.upload-error-message {
    color: var(--text-color);
}

.file-info {
    margin-top: 20px;
    padding: 12px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.file-name {
    color: var(--text-color);
    font-size: 0.95rem;
    flex: 1;
    text-align: left;
    word-break: break-all;
}

.file-remove {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    margin-left: 10px;
}

.file-remove:hover {
    background-color: #ffeaea;
}

/* Fee Types List Styles */
.fee-types-list-container {
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.list-title {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.fee-types-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: #fafafa;
}

.fee-type-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background-color: white;
}

.fee-type-item:last-child {
    border-bottom: none;
}

.fee-type-item:hover {
    background-color: #f8f9fa;
}

.fee-type-info {
    flex: 1;
}

.fee-type-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.fee-type-description {
    color: #666;
    font-size: 0.85rem;
}

.fee-type-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    padding: 6px 12px;
    font-size: 0.85rem;
    min-width: auto;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 10px;
}

/* Scrollbar styling for fee types list */
.fee-types-list::-webkit-scrollbar {
    width: 8px;
}

.fee-types-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.fee-types-list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.fee-types-list::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Multi-select Styles */
.multiselect-container {
    position: relative;
    width: 100%;
}

.multiselect-display {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: white;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-color);
    min-height: 42px;
    display: flex;
    align-items: center;
    position: relative;
}

.multiselect-display::after {
    content: '▼';
    position: absolute;
    right: 12px;
    font-size: 0.75rem;
    color: #999;
    pointer-events: none;
}

.multiselect-display:hover {
    border-color: var(--active-color);
}

.multiselect-display.active {
    border-color: var(--active-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.multiselect-display.active::after {
    content: '▲';
}

.multiselect-display.error {
    border-color: var(--danger-color);
}

.multiselect-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow);
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
}

.multiselect-dropdown.show {
    display: block;
}

.multiselect-options {
    padding: 4px 0;
}

.multiselect-option {
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
    padding: 6px 12px;
    cursor: pointer;
    transition: var(--transition);
    margin: 0;
    gap: 8px;
}

.multiselect-option:hover {
    background-color: #f8f9fa;
}

.multiselect-option span {
    cursor: pointer;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    line-height: 1.4;
    flex: 1;
}

.multiselect-option input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    order: -1;
}

/* Fee Type Amount Inputs */
#feeTypeAmountsList {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.fee-type-amount-group {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 15px;
    transition: var(--transition);
}

.fee-type-amount-group:hover {
    border-color: var(--active-color);
    background-color: #f0f7ff;
}

.fee-type-amount-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

.fee-type-amount-row label {
    display: flex;
    align-items: center;
    font-weight: 500;
    color: var(--text-color);
    min-width: 150px;
    flex-shrink: 0;
    margin: 0;
}

.fee-type-amount-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: var(--transition);
    max-width: 200px;
}

.fee-type-amount-input:focus {
    outline: none;
    border-color: var(--active-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.fee-type-amount-input.error {
    border-color: var(--danger-color);
}

.fee-type-amount-group .form-error {
    margin-top: 6px;
    margin-left: 165px; /* Align with input field */
}

.page-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 0;
}

/* Table Styles */
.table-container {
    width: 100%;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.table-filters {
    width: 100%;
}

.filter-form {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

@media (min-width: 769px) {
    .filter-form {
        flex-wrap: wrap;
    }

    .filter-form .filter-select {
        min-width: 120px;
        flex: 1 1 0;
    }

    .filter-form .filter-select-narrow {
        min-width: 90px;
        flex: 1 1 0;
    }

    .filter-form .btn-clear {
        flex-shrink: 0;
    }

    .filter-form .date-range-picker {
        min-width: 180px;
        flex: 1 1 0;
    }

    .filter-form .search-box {
        flex: 1 1 0;
        min-width: 150px;
    }
}

/* Consistent height for all form elements */
.search-box,
.filter-select,
.btn-filter,
.btn-clear {
    height: 40px;
    box-sizing: border-box;
}

.search-box {
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: white;
    transition: var(--transition);
}

.search-box-narrow {
    max-width: 145px; /* 10% increase from 120px */
    flex: 0 0 145px;
    min-width: 120px;
}

/* Payment History specific search box - 60% width */
.search-box-payment-history {
    min-width: 120px;
    max-width: 120px;
}

.search-box:focus {
    outline: none;
    border-color: var(--active-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.filter-select {
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: white;
    cursor: pointer;
    min-width: 150px;
    transition: var(--transition);
    font-weight: 500;
}

.filter-select-narrow {
    min-width: 100px;
}

.filter-select:hover {
    border-color: var(--active-color);
}

.filter-select:focus {
    outline: none;
    border-color: var(--active-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Date Range Picker */
.date-range-picker {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background-color: white;
    transition: var(--transition);
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    height: 40px;
    box-sizing: border-box;
}

.date-range-picker:hover {
    border-color: var(--active-color);
}

.date-range-picker:focus-within {
    border-color: var(--active-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.date-range-input {
    flex: 1;
    border: none;
    padding: 10px 8px;
    font-size: 0.9rem;
    background-color: transparent;
    outline: none;
    min-width: 0;
    width: 0; /* Allow flexbox to control width */
}

.date-range-input:focus {
    outline: none;
}

.date-range-start {
    border-right: 1px solid var(--border-color);
    border-radius: 6px 0 0 6px;
}

.date-range-end {
    border-left: 1px solid var(--border-color);
    border-radius: 0 6px 6px 0;
}

.date-range-separator {
    padding: 0 4px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    color: #374151;
    cursor: pointer;
    white-space: nowrap;
}

.checkbox-label input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.btn-filter {
    white-space: nowrap;
    font-weight: 600;
}

.btn-clear {
    white-space: nowrap;
}

.table-wrapper {
    overflow-x: auto;
    overflow-y: visible;
    margin-bottom: 20px;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    position: relative;
    max-width: 100%;
}

.data-table {
    width: 100%;
    min-width: 800px;
    border-collapse: collapse;
    background-color: white;
    border-radius: 8px;
    overflow: visible;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    table-layout: auto;
    display: table;
}

.data-table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
    color: white;
}

.data-table th {
    padding: 14px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.data-table th:first-child {
    padding-left: 16px;
}

.data-table th:last-child {
    padding-right: 16px;
}

.data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-color);
    white-space: nowrap;
}

.data-table td:first-child {
    padding-left: 16px;
    font-weight: 500;
    color: var(--primary-color);
}

.data-table td:last-child {
    padding-right: 16px;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: #f0f4f8;
    transform: scale(1.001);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table .empty {
    text-align: center;
    padding: 30px;
    color: #666;
}

.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.table-info {
    color: #666;
    font-size: 0.9rem;
}

.table-footer-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px 0;
    margin-top: 20px;
    border-top: 1px solid var(--border-color);
    flex-wrap: nowrap;
    gap: 10px;
    position: relative;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.pagination-info {
    color: #666;
    font-size: 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
    position: absolute;
    right: 0;
}

.pagination-info-short {
    display: none;
}

.pagination-controls {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: nowrap;
    flex-shrink: 0;
    margin: 0 auto;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background-color: #f8f9fa;
    border-color: var(--active-color);
    color: var(--active-color);
}

.pagination-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    cursor: default;
}

.pagination-btn.disabled {
    background-color: #f5f5f5;
    border-color: var(--border-color);
    color: #999;
    cursor: not-allowed;
    opacity: 0.6;
}

@media (max-width: 768px) {
    .pagination {
        padding: 12px 0;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .pagination-info {
        font-size: 0.8rem;
        flex-shrink: 0;
    }
    
    .pagination-info-full {
        display: none;
    }
    
    .pagination-info-short {
        display: inline;
    }
    
    .pagination-controls {
        gap: 3px;
        flex-shrink: 0;
    }
    
    .pagination-btn {
        min-width: 28px;
        height: 28px;
        padding: 0 6px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .pagination {
        padding: 10px 0;
        gap: 6px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .pagination-info {
        font-size: 0.7rem;
    }
    
    .pagination-controls {
        gap: 2px;
    }
    
    .pagination-btn {
        min-width: 24px;
        height: 24px;
        padding: 0 4px;
        font-size: 0.7rem;
    }
}

.btn-action {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
    margin-right: 5px;
    position: relative;
    z-index: 1;
}

.btn-action.btn-edit {
    background-color: var(--active-color);
    color: white;
}

.btn-action.btn-edit:hover {
    background-color: #2980b9;
}

.btn-action.btn-delete {
    background-color: var(--danger-color);
    color: white;
}

.btn-action.btn-delete:hover {
    background-color: var(--danger-hover);
}

.btn-action.btn-reset-password {
    background-color: #f39c12;
    color: white;
}

.btn-action.btn-reset-password:hover {
    background-color: #e67e22;
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 20px 15px;
        position: relative;
        z-index: 1;
    }

    .sidebar-overlay {
        display: block;
    }

    .header-center {
        display: none;
    }

    .header-title-mobile {
        display: block;
        font-size: 1.2rem;
        margin: 0;
        margin-left: 10px;
    }

    .header-title-desktop {
        display: none;
    }

    .header-label {
        display: none;
    }

    .username {
        font-size: 0.85rem;
    }

    .page-content {
        padding: 15px;
    }

    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .page-header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .btn {
        flex: 1;
        min-width: 120px;
    }

    .role-badge {
        font-size: 0.75rem;
        padding: 3px 10px;
    }

    .table-header {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-form .checkbox-group {
        width: 100%;
        justify-content: space-between;
        padding: 0 4px;
        box-sizing: border-box;
    }

    .search-box {
        min-width: 100%;
        max-width: 100%;
    }

    .date-range-picker {
        min-width: 100%;
        max-width: 100%;
    }

    .filter-select {
        min-width: 100%;
    }

    .btn-filter,
    .btn-clear {
        width: 100%;
    }

    .table-wrapper {
        -webkit-overflow-scrolling: touch;
        overflow-x: scroll;
        overflow-y: visible;
        width: 100%;
        max-width: 100vw;
    }

    .data-table {
        font-size: 0.85rem;
        min-width: 700px;
        width: max-content;
    }

    .data-table th,
    .data-table td {
        padding: 10px 8px;
        font-size: 0.85rem;
    }

    .data-table th:first-child,
    .data-table td:first-child {
        padding-left: 12px;
    }

    .data-table th:last-child,
    .data-table td:last-child {
        padding-right: 12px;
    }

    .btn-action {
        padding: 4px 8px;
        font-size: 0.8rem;
        margin-right: 3px;
    }

    .table-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .welcome-section {
        padding: 30px 20px;
    }

    .welcome-section h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .app-header {
        padding: 0 10px;
    }

    .header-title-mobile {
        font-size: 1rem;
    }

    .header-label {
        display: none;
    }

    .user-info {
        gap: 8px;
    }

    .username {
        font-size: 0.8rem;
    }

    .role-badge {
        font-size: 0.7rem;
        padding: 2px 8px;
    }

    .filter-form {
        gap: 8px;
    }

    .search-box-narrow {
        min-width: 150px;
        max-width: 100%;
        flex: 1 1 100%;
    }

    .filter-select {
        min-width: 120px;
        flex: 1 1 auto;
    }

    .search-box {
        min-width: 100%;
        max-width: 100%;
    }

    .date-range-picker {
        min-width: 100%;
        max-width: 100%;
    }

    .filter-select {
        min-width: 100%;
    }

    .date-range-separator {
        padding: 0 2px;
        font-size: 0.8rem;
    }

    .date-range-input {
        padding: 10px 6px;
        font-size: 0.85rem;
    }

    .btn-filter,
    .btn-clear {
        width: 100%;
    }

    .page-content {
        padding: 10px;
    }

    .table-wrapper {
        -webkit-overflow-scrolling: touch;
        overflow-x: scroll;
        overflow-y: visible;
        width: 100%;
        max-width: 100vw;
    }

    .data-table {
        font-size: 0.8rem;
        min-width: 600px;
        width: max-content;
    }

    .data-table th,
    .data-table td {
        padding: 8px 6px;
        font-size: 0.8rem;
    }

    .data-table th:first-child,
    .data-table td:first-child {
        padding-left: 8px;
    }

    .data-table th:last-child,
    .data-table td:last-child {
        padding-right: 8px;
    }

    .btn-action {
        padding: 3px 6px;
        font-size: 0.75rem;
        margin-right: 2px;
    }

    .search-box,
    .filter-select,
    .btn-filter,
    .btn-clear {
        height: 36px;
        font-size: 0.85rem;
    }

    .nav-text {
        font-size: 0.9rem;
    }

    .nav-link {
        padding: 10px 15px;
    }
}

/* Toast Notification Styles */
.toast-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 400px;
    padding: 14px 18px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateX(400px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-icon {
    font-size: 20px;
    font-weight: bold;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.toast-message {
    flex: 1;
    font-size: 14px;
    line-height: 1.4;
    color: var(--text-color);
}

/* Toast Type Styles */
.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-success .toast-icon {
    background-color: var(--success-color);
    color: white;
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-error .toast-icon {
    background-color: var(--danger-color);
    color: white;
}

.toast-warning {
    border-left: 4px solid #f39c12;
}

.toast-warning .toast-icon {
    background-color: #f39c12;
    color: white;
}

.toast-info {
    border-left: 4px solid var(--active-color);
}

.toast-info .toast-icon {
    background-color: var(--active-color);
    color: white;
}

/* Mobile Toast Styles */
@media (max-width: 768px) {
    .toast-container {
        top: 60px;
        right: 10px;
        left: 10px;
    }

    .toast {
        min-width: auto;
        max-width: 100%;
    }
}

/* Payment Mode Badge Styles */
.payment-mode-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.payment-mode-badge.payment-mode-cash {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.payment-mode-badge.payment-mode-upi {
    background-color: #cfe2ff;
    color: #084298;
    border: 1px solid #b6d4fe;
}

/* Billing Interface Styles */
.billing-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 100%;
}

.billing-selection {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.billing-selection h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.selection-grid-3col {
    grid-template-columns: repeat(3, 1fr);
}

@media (min-width: 769px) {
    .selection-grid-3col .form-group:nth-child(2) {
        grid-column: span 2;
    }
    .selection-grid-3col .form-group:nth-child(6) {
        grid-column: span 3;
    }
}

.selection-grid .form-group {
    margin-bottom: 0;
}

.searchable-dropdown {
    position: relative;
}

.searchable-dropdown-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 220px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid #d1d5db;
    border-top: none;
    border-radius: 0 0 6px 6px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.searchable-dropdown-list.open {
    display: block;
}

.searchable-dropdown-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    border-bottom: 1px solid #f3f4f6;
}

.searchable-dropdown-item:last-child {
    border-bottom: none;
}

.searchable-dropdown-item:hover,
.searchable-dropdown-item.active {
    background: #e8f4f8;
}

.searchable-dropdown-item.selected {
    background: #dbeafe;
    font-weight: 500;
}

.searchable-dropdown-empty {
    padding: 12px;
    text-align: center;
    color: #9ca3af;
    font-size: 13px;
}

.searchable-dropdown-list::-webkit-scrollbar {
    width: 6px;
}

.searchable-dropdown-list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper input {
    padding-right: 40px;
}

.search-input-wrapper input:disabled {
    background-color: #e0e0e0;
    cursor: not-allowed;
}

.btn-search-icon {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: #9ca3af;
    color: white;
    flex-shrink: 0;
}

.btn-search-icon:disabled {
    background-color: #d1d5db;
    color: #f3f4f6;
    cursor: not-allowed;
}

.btn-search-icon:disabled:hover {
    background-color: #d1d5db;
    transform: translateY(-50%);
    box-shadow: none;
}

.btn-search-icon:not(:disabled) {
    background-color: #2C3E50;
    color: white;
}

.btn-search-icon:not(:disabled):hover {
    background-color: #1a2a3a;
}

.required {
    color: var(--danger-color);
    margin-left: 3px;
}

.student-info-section {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.student-info-section h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.student-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.student-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.student-info-label {
    font-size: 0.85rem;
    color: #6b7280;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.student-info-value {
    font-size: 1.05rem;
    color: #1f2937;
    font-weight: 600;
}

.billing-box {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.billing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.billing-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.billing-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.payment-mode-inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.payment-mode-inline select {
    min-width: 140px;
    height: 40px;
    padding: 0 12px;
    font-size: 0.9rem;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    background: white;
    box-sizing: border-box;
}

.upi-inline-input {
    min-width: 160px;
    height: 40px;
    padding: 0 12px;
    font-size: 0.9rem;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    background: white;
    box-sizing: border-box;
}

#addFeeTypeBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #e9ecef;
    color: #6c757d;
    border-color: #dee2e6;
}

#addFeeTypeBtn:disabled:hover {
    background-color: #e9ecef;
    color: #6c757d;
    border-color: #dee2e6;
    transform: none;
    box-shadow: none;
}

.pending-fees-message {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
}

.pending-fees-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.fee-types-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
    min-height: 100px;
}

.billing-fee-item {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 20px;
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    display: flex;
    position: relative;
    gap: 16px;
}

.billing-fee-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.fee-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

.fee-item-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 16px;
}

.fee-item-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
    min-width: 0;
}

.fee-item-amount-label {
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
    white-space: nowrap;
}

.fee-item-term {
    font-size: 0.9rem;
    color: #666;
    min-width: 0;
}

.fee-item-amount-input-wrapper {
    min-width: 0;
    max-width: 200px;
    grid-column: 2;
}

.fee-item-amount-input-wrapper .amount-input {
    width: 100%;
}

.fee-item-spacer {
    /* Spacer removed - not needed with grid */
}

.btn-remove {
    background: none;
    border: none;
    color: var(--danger-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    flex-shrink: 0;
    align-self: center;
}

.btn-remove:hover {
    background-color: #fee;
}

.billing-summary {
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-label {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
}

.summary-value {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--primary-color);
}

.billing-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Fee Type Modal Styles */
.available-fee-types {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
}

.fee-type-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: #f8f9fa;
}

.fee-type-item .fee-type-info {
    flex: 1;
}

.fee-type-item .fee-type-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.fee-type-item .fee-type-details {
    font-size: 0.85rem;
    color: #666;
}

/* Confirmation Popup Styles */
.confirmation-modal-content {
    max-width: 450px;
}

.confirmation-content {
    text-align: center;
    padding: 20px 0;
}

.confirmation-message {
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
}

.confirmation-modal-content .modal-footer {
    justify-content: center;
    gap: 15px;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #2c3e50;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.login-bg {
    position: absolute;
    inset: 0;
    background-image: url('/static/img/index-home.jpg');
    background-size: cover;
    background-position: center;
    filter: blur(8px);
    transform: scale(1.1);
    z-index: 0;
}

.login-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.login-card .form-group {
    margin-bottom: 1.5rem;
}

.login-card .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.login-card .form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
}

.login-card .form-group input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.demo-credentials {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    font-size: 0.85rem;
}

.demo-credentials strong {
    display: block;
    margin-bottom: 0.4rem;
    color: #475569;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.demo-credentials .cred-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.2rem 0;
}

.demo-credentials .role-tag {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    min-width: 52px;
    text-align: center;
}

.demo-credentials .cred-value {
    font-family: monospace;
    font-size: 0.8rem;
    color: #334155;
}

.demo-credentials .role-tag.admin { background: #dc2626; }
.demo-credentials .role-tag.manager { background: #2563eb; }
.demo-credentials .role-tag.clerk { background: #059669; }

.error-message {
    background-color: #fee2e2;
    color: #991b1b;
    padding: 0.75rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    display: none;
}

.btn-login {
    width: 100%;
    padding: 0.75rem;
    background-color: #2c3e50;
    color: white;
    border: none;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-login:hover {
    background-color: #34495e;
}

.btn-login:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

.back-link {
    text-align: center;
    margin-top: 1rem;
}

.back-link a {
    color: #2563eb;
    text-decoration: none;
}

.back-link a:hover {
    text-decoration: underline;
}

/* Reports page */
.reports-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.reports-tables-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .billing-container {
        gap: 20px;
    }
    
    .billing-selection,
    .billing-box,
    .student-info-section {
        padding: 15px;
    }

    .student-info-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .selection-grid,
    .selection-grid-3col {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .billing-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .billing-actions {
        flex-direction: column;
    }
    
    .billing-actions .btn {
        width: 100%;
    }
    
    .fee-item-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .summary-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .confirmation-modal-content {
        max-width: 450px;
    }

    /* Reports responsive */
    .reports-stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .reports-tables-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

    /* Modal mobile fixes */
    .modal {
        padding: 10px;
        padding-top: calc(var(--header-height) + 10px);
        align-items: flex-start;
        overflow-y: auto;
    }

    .modal-content {
        width: 95%;
        max-width: 600px;
        max-height: calc(100vh - var(--header-height) - 40px);
        margin: 0 auto;
        border-radius: 12px;
    }

    .modal-content.modal-lg {
        max-width: 900px;
    }

    .modal-header {
        padding: 14px 16px;
        position: sticky;
        top: 0;
        z-index: 1;
        border-radius: 12px 12px 0 0;
    }

    .modal-header h3 {
        font-size: 1.1rem;
    }

    .modal-close {
        width: 36px;
        height: 36px;
        font-size: 1.8rem;
        flex-shrink: 0;
    }

    .modal-body {
        padding: 16px;
    }

    .modal-footer {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 8px;
        position: sticky;
        bottom: 0;
        background: white;
        border-radius: 0 0 12px 12px;
    }

    .modal-footer .btn {
        flex: 1;
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .modal-content {
        width: 100%;
        max-width: 600px;
        max-height: calc(100vh - var(--header-height) - 30px);
        margin: 0 auto;
        border-radius: 8px;
    }

    .modal-header {
        border-radius: 8px 8px 0 0;
        padding: 12px 14px;
    }

    .modal-body {
        padding: 14px;
    }

    .modal-footer {
        border-radius: 0 0 8px 8px;
        padding: 10px 14px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-row-3 {
        grid-template-columns: 1fr;
    }
}