body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
    color: #24292f;
    transition: background-color 0.2s ease, color 0.2s ease;
    line-height: 1.6;
}

/* Dark mode styles */
body.dark-mode {
    background-color: #0d1117;
    color: #c9d1d9;
}

body.dark-mode .header {
    background: #161b22;
    border-color: #30363d;
}

body.dark-mode .table-container {
    background: #161b22;
    border-color: #30363d;
}

body.dark-mode .table-container:hover {
    box-shadow: 0 0 20px rgba(56, 139, 253, 0.4), 0 0 40px rgba(56, 139, 253, 0.2);
    border-color: #388bfd;
}

body.dark-mode .modal-content {
    background-color: #161b22;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .form-group input,
body.dark-mode .form-group textarea {
    background-color: #0d1117;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .form-group input:focus,
body.dark-mode .form-group textarea:focus {
    border-color: #58a6ff;
}

body.dark-mode .data-table th {
    background-color: #0e448f;
    border-color: #e9ecef;
    color: #c9d1d9;
}

body.dark-mode .data-table td {
    border-color: #21262d;
}

body.dark-mode .data-table tr:hover {
    background-color: #161b22;
}

body.dark-mode .setup-required {
    background: #161b22;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .add-row-form input {
    background-color: #0d1117;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .add-row-form input:focus {
    border-color: #58a6ff;
}

body.dark-mode .empty-table {
    background-color: #0d1117;
    color: #8b949e;
}

body.dark-mode .no-tables {
    color: #8b949e;
}

body.dark-mode .close {
    color: #8b949e;
}

body.dark-mode .close:hover {
    color: #c9d1d9;
}

body.dark-mode pre {
    background: #0d1117;
    border-color: #30363d;
}

body.dark-mode .table-header {
    border-color: #30363d;
}

body.dark-mode .table-title {
    color: #c9d1d9;
}

body.dark-mode .add-row-form {
    border-bottom-color: #30363d;
}

/* Right-side vertical toolbar */
.right-toolbar {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1001;
}

/* Dark mode toggle button - icon only */
#dark-mode-toggle {
    width: 40px;
    height: 40px;
    padding: 0;
    background: #24292f;
    color: #ffffff;
    border: 1px solid #d0d7de;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

#dark-mode-toggle::before {
    content: '◐';
    margin: 0;
    font-size: 18px;
}

#dark-mode-toggle:hover {
    background: #32383f;
    border-color: #8b949e;
}

#dark-mode-toggle:active {
    background: #24292f;
}

body.dark-mode #dark-mode-toggle {
    background: #21262d;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode #dark-mode-toggle:hover {
    background: #30363d;
    border-color: #484f58;
}

/* Settings button - icon only */
.settings-btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    background: #24292f;
    color: #ffffff;
    border: 1px solid #24292f;
    border-radius: 20%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.settings-btn-icon:hover {
    background: #32383f;
    border-color: #32383f;
}

body.dark-mode .settings-btn-icon {
    background: #238636;
    border-color: #238636;
}

body.dark-mode .settings-btn-icon:hover {
    background: #2ea043;
    border-color: #2ea043;
}

/* Connection dot indicator */
.connection-dot {
    justify-content: center;
    align-items: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #cf222e;
    border: 1px solid #ffffff;
    box-shadow: 0 0 0 1px #d0d7de;
    transition: all 0.2s ease;
}

body.dark-mode .connection-dot {
    box-shadow: 0 0 0 1px #30363d;
}

.connection-dot.connected {
    background-color: #2ea043;
}

.connection-dot.disconnected {
    background-color: #cf222e;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 24px;
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
}

.header h1 {
    margin: 0 0 8px 0;
    font-size: 32px;
    font-weight: 600;
    color: #24292f;
}

body.dark-mode .header h1 {
    color: #c9d1d9;
}

.header p {
    margin: 0 0 20px 0;
    color: #57606a;
}

body.dark-mode .header p {
    color: #8b949e;
}

/* Connection Info Bar */
.connection-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 0 20px 0;
    padding: 10px 16px;
    background: #ffffff;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-size: 14px;
}

body.dark-mode .connection-info {
    background: #0d1117;
    border-color: #30363d;
}

.connection-info.hidden {
    display: none;
}

.connection-mode {
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    background: #ddf4ff;
    color: #0969da;
}

body.dark-mode .connection-mode {
    background: #0c2d6b;
    color: #58a6ff;
}

.connection-details {
    color: #57606a;
    font-family: monospace;
    font-size: 12px;
}

body.dark-mode .connection-details {
    color: #8b949e;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.connection-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cf222e;
}

.connection-status.connected::before {
    background: #1a7f37;
}

.connection-status.connected {
    color: #1a7f37;
}

.connection-status:not(.connected) {
    color: #cf222e;
}

.settings-btn {
    background-color: #24292f;
    color: white;
    padding: 8px 16px;
    border: 1px solid #24292f;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    margin-left: 10px;
    transition: all 0.2s ease;
}

.settings-btn:hover {
    background-color: #32383f;
    border-color: #32383f;
}

body.dark-mode .settings-btn {
    background-color: #238636;
    border-color: #238636;
}

body.dark-mode .settings-btn:hover {
    background-color: #2ea043;
    border-color: #2ea043;
}

.create-list-btn {
    background-color: #24292f;
    color: white;
    padding: 10px 20px;
    border: 1px solid #24292f;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    margin-right: 12px;
    margin-bottom: 16px;
    transition: all 0.2s ease;
}

#uploadTableBtn {
    background-color: #0969da;
    border-color: #0969da;
}

#uploadTableBtn:hover {
    background-color: #1a73e8;
    border-color: #1a73e8;
}

.create-list-btn:hover {
    background-color: #32383f;
    border-color: #32383f;
}

.create-list-btn:disabled {
    background-color: #d0d7de;
    border-color: #d0d7de;
    cursor: not-allowed;
    color: #57606a;
}

body.dark-mode .create-list-btn {
    background-color: #238636;
    border-color: #238636;
}

body.dark-mode .create-list-btn:hover {
    background-color: #2ea043;
    border-color: #2ea043;
}

body.dark-mode .create-list-btn:disabled {
    background-color: #21262d;
    border-color: #30363d;
    color: #8b949e;
}

#uploadTableBtn:disabled {
    background-color: #d0d7de;
    border-color: #d0d7de;
}

body.dark-mode #uploadTableBtn {
    background-color: #1f6feb;
    border-color: #1f6feb;
}

body.dark-mode #uploadTableBtn:hover {
    background-color: #388bfd;
    border-color: #388bfd;
}

body.dark-mode #uploadTableBtn:disabled {
    background-color: #21262d;
    border-color: #30363d;
    color: #8b949e;
}

/* Sheet selection styles */
.sheet-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #d0d7de;
    gap: 12px;
    flex-wrap: wrap;
}

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

.sheet-item:hover {
    background-color: #f5f5f5;
}

body.dark-mode .sheet-item:hover {
    background-color: #21262d;
}

.sheet-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.sheet-item label {
    flex: 1;
    min-width: 200px;
    cursor: pointer;
}

.sheet-table-name {
    width: 200px;
    padding: 6px 10px;
    border: 1px solid #d0d7de;
    border-radius: 4px;
    font-size: 13px;
}

body.dark-mode .sheet-table-name {
    background-color: #0d1117;
    border-color: #30363d;
    color: #c9d1d9;
}

.sheet-table-name:focus {
    outline: none;
    border-color: #0969da;
}

.preview-sheet-btn {
    padding: 6px 12px;
    background-color: #f5f5f5;
    border: 1px solid #d0d7de;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.preview-sheet-btn:hover {
    background-color: #e8e8e8;
}

body.dark-mode .preview-sheet-btn {
    background-color: #21262d;
    border-color: #30363d;
    color: #c9d1d9;
}

body.dark-mode .preview-sheet-btn:hover {
    background-color: #30363d;
}

#selectedSheetCount {
    font-size: 14px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    overflow-y: auto;
}

.modal-content {
    background-color: #ffffff;
    margin: 5% auto;
    padding: 24px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    cursor: move; /* For draggable modals */
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #d0d7de;
    cursor: move; /* Indicate draggable */
}

body.dark-mode .modal-header {
    border-bottom-color: #30363d;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.close {
    color: #57606a;
    font-size: 28px;
    font-weight: normal;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: #24292f;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: #24292f;
}

body.dark-mode .form-group label {
    color: #c9d1d9;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0969da;
}

.form-group textarea {
    min-height: 80px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Courier New', monospace;
    font-size: 12px;
    resize: vertical;
}

.form-group small {
    display: block;
    color: #57606a;
    margin-top: 6px;
    font-size: 12px;
}

body.dark-mode .form-group small {
    color: #8b949e;
}

.columns-input {
    margin-bottom: 10px;
}

.add-column-btn {
    background-color: #ffffff;
    color: #24292f;
    padding: 6px 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.add-column-btn:hover {
    background-color: #f6f8fa;
    border-color: #8b949e;
}

body.dark-mode .add-column-btn {
    background-color: #21262d;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .add-column-btn:hover {
    background-color: #30363d;
    border-color: #484f58;
}

.submit-btn {
    background-color: #24292f;
    color: white;
    padding: 10px 20px;
    border: 1px solid #24292f;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    width: 100%;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background-color: #32383f;
    border-color: #32383f;
}

body.dark-mode .submit-btn {
    background-color: #238636;
    border-color: #238636;
}

body.dark-mode .submit-btn:hover {
    background-color: #2ea043;
    border-color: #2ea043;
}

/* Submit button in management section needs margin-top */
.management-section .form-group .submit-btn {
    margin-top: 10px;
}

/* ─────────────────────────────────────────────── */
/*          MAIN TABLES GRID & SCROLLABLE CARDS      */
/* ─────────────────────────────────────────────── */

#tablesContainer {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 20px;
}

@media (min-width: 768px) {
    #tablesContainer {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    #tablesContainer {
        grid-template-columns: repeat(4, 1fr);
        max-width: 100%;
        margin: 30px auto;
    }
}

.table-container {
    background: #ffffff;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    overflow: hidden;
    height: 420px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.table-container:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(9, 105, 218, 0.4), 0 0 40px rgba(9, 105, 218, 0.2);
    border-color: #58a6ff;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid #d0d7de;
    flex-shrink: 0;
}

.table-title {
    color: #24292f;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.edit-table-btn {
    background-color: #ffffff;
    color: #24292f;
    padding: 6px 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.edit-table-btn:hover {
    background-color: #f6f8fa;
    border-color: #8b949e;
}

body.dark-mode .edit-table-btn {
    background-color: #21262d;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .edit-table-btn:hover {
    background-color: #30363d;
    border-color: #484f58;
}

/* Management Modal Styles */
.management-options {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.management-section {
    padding: 20px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    background-color: #f6f8fa;
}

body.dark-mode .management-section {
    background-color: #0d1117;
    border-color: #30363d;
}

.management-section h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: #24292f;
}

body.dark-mode .management-section h3 {
    color: #c9d1d9;
}

.management-section.danger-zone {
    background-color: #fff8f8;
    border-color: #ffcdd2;
}

body.dark-mode .management-section.danger-zone {
    background-color: #1a0d0d;
    border-color: #5a1f1f;
}

.management-section.danger-zone h3 {
    color: #cf222e;
}

body.dark-mode .management-section.danger-zone h3 {
    color: #ff7b72;
}

.add-row-inline {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.inline-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-size: 14px;
}

body.dark-mode .inline-input {
    background-color: #0d1117;
    color: #c9d1d9;
    border-color: #30363d;
}

.form-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-size: 14px;
    background-color: #ffffff;
    color: #24292f;
}

body.dark-mode .form-select {
    background-color: #0d1117;
    color: #c9d1d9;
    border-color: #30363d;
}

.delete-btn-full {
    background-color: #ffffff;
    color: #cf222e;
    padding: 10px 20px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    width: 100%;
    margin-top: 10px;
    transition: all 0.2s ease;
}

.delete-btn-full:hover {
    background-color: #cf222e;
    color: #ffffff;
    border-color: #cf222e;
}

body.dark-mode .delete-btn-full {
    background-color: #21262d;
    color: #ff7b72;
    border-color: #30363d;
}

body.dark-mode .delete-btn-full:hover {
    background-color: #a40e26;
    color: #ffffff;
    border-color: #a40e26;
}

.add-row-form {
    display: flex;
    gap: 8px;
    padding: 16px;
    flex-wrap: wrap;
    overflow-x: auto;
    flex-shrink: 0;
    border-bottom: 1px solid #d0d7de;
}

.add-row-form input {
    flex: 1;
    min-width: 120px;
    padding: 6px 10px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.add-row-form input:focus {
    outline: none;
    border-color: #0969da;
}

.add-row-btn {
    background-color: #24292f;
    color: white;
    padding: 6px 14px;
    border: 1px solid #24292f;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.add-row-btn:hover {
    background-color: #32383f;
    border-color: #32383f;
}

body.dark-mode .add-row-btn {
    background-color: #238636;
    border-color: #238636;
}

body.dark-mode .add-row-btn:hover {
    background-color: #2ea043;
    border-color: #2ea043;
}

.data-table-wrapper {
    flex: 1;
    overflow: auto;
    padding: 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
}

.data-table th {
    background-color: #f6f8fa;
    color: #24292f;
    padding: 10px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    border-bottom: 1px solid #d0d7de;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid #d0d7de;
    font-size: 13px;
    min-width: 100px;
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.data-table td:hover {
    white-space: normal;
    overflow: visible;
}

.data-table tr:hover {
    background-color: #f6f8fa;
}

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

.action-btn {
    background-color: #ffffff;
    color: #24292f;
    padding: 4px 10px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    margin-right: 6px;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background-color: #f6f8fa;
    border-color: #8b949e;
}

body.dark-mode .action-btn {
    background-color: #21262d;
    color: #c9d1d9;
    border-color: #30363d;
}

body.dark-mode .action-btn:hover {
    background-color: #30363d;
    border-color: #484f58;
}

.delete-btn {
    color: #cf222e;
}

.delete-btn:hover {
    background-color: #cf222e;
    color: #ffffff;
    border-color: #cf222e;
}

body.dark-mode .delete-btn {
    color: #ff7b72;
}

body.dark-mode .delete-btn:hover {
    background-color: #a40e26;
    color: #ffffff;
    border-color: #a40e26;
}

/* Status & other helpers */
.status {
    padding: 12px 16px;
    margin: 10px 0;
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
    border: 1px solid;
}

.success {
    background-color: #dafbe1;
    color: #1a7f37;
    border-color: #1f6f43;
}

.error {
    background-color: #ffebe9;
    color: #cf222e;
    border-color: #cf222e;
}

.warning {
    background-color: #fff8c5;
    color: #7d4e00;
    border-color: #9a6700;
}

body.dark-mode .success {
    background-color: #033a16;
    color: #7ee787;
    border-color: #238636;
}

body.dark-mode .error {
    background-color: #490202;
    color: #ff7b72;
    border-color: #da3633;
}

body.dark-mode .warning {
    background-color: #341a00;
    color: #f0b72f;
    border-color: #9a6700;
}

.no-tables {
    text-align: center;
    color: #57606a;
    font-style: italic;
    margin-top: 40px;
    font-size: 14px;
}

.setup-required {
    background: #ffffff;
    padding: 40px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    text-align: center;
    margin-top: 20px;
}

.setup-required h2 {
    color: #24292f;
    margin: 0 0 12px 0;
    font-size: 24px;
    font-weight: 600;
}

body.dark-mode .setup-required h2 {
    color: #c9d1d9;
}

.setup-required p {
    color: #57606a;
    margin: 0 0 16px 0;
    font-size: 14px;
}

body.dark-mode .setup-required p {
    color: #8b949e;
}

pre {
    text-align: left;
    background: #f6f8fa;
    padding: 16px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.5;
    color: #24292f;
}

body.dark-mode pre {
    color: #c9d1d9;
}

.connection-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    margin-left: 10px;
    font-weight: 500;
    border: 1px solid;
}

.connected {
    background-color: #dafbe1;
    color: #1a7f37;
    border-color: #1f6f43;
}

.disconnected {
    background-color: #ffebe9;
    color: #cf222e;
    border-color: #cf222e;
}

body.dark-mode .connected {
    background-color: #033a16;
    color: #7ee787;
    border-color: #238636;
}

body.dark-mode .disconnected {
    background-color: #490202;
    color: #ff7b72;
    border-color: #da3633;
}

.empty-table {
    text-align: center;
    color: #57606a;
    font-style: italic;
    padding: 40px 20px;
    background-color: #f6f8fa;
    border-radius: 6px;
    font-size: 14px;
}

/* Custom Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f6f8fa;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #d0d7de;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8b949e;
}

body.dark-mode ::-webkit-scrollbar-track {
    background: #0d1117;
    border-radius: 4px;
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 4px;
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}

/* Hidden utility class */
.hidden {
    display: none;
}

/* File info display */
.file-info {
    padding: 10px;
    background: #f0f0f0;
    border-radius: 4px;
    margin-bottom: 10px;
}

/* Preview containers */
.preview-scroll {
    overflow-x: auto;
    max-height: 200px;
    overflow-y: auto;
}

/* Sheet list container */
.sheet-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* Sheet count display */
.sheet-count {
    margin: 10px 0;
    font-weight: 500;
    color: #666;
}

/* Wide modal */
.modal-content.wide {
    max-width: 800px;
}

/* Sheet preview content */
.sheet-preview-content {
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
}

body.dark-mode .file-info {
    background: #21262d;
    color: #c9d1d9;
}

body.dark-mode .sheet-list {
    border-color: #30363d;
}

body.dark-mode .sheet-count {
    color: #8b949e;
}