/* CSS Variables - Windows 2000 Theme */
:root {
    --win-gray: #c0c0c0;
    --win-gray-light: #d4d0c8;
    --win-gray-dark: #808080;
    --win-gray-darker: #606060;
    --win-blue: #316ac5;
    --win-blue-dark: #0a246a;
    --win-blue-light: #4a7ac5;
    --win-blue-lighter: #6a9ad5;
    --bg-white: #fff;
    --bg-light: #f0f0f0;
    --bg-lighter: #e0e0e0;
    --font-main: 'MS Sans Serif', Tahoma, sans-serif;
    --font-mono: 'Courier New', monospace;
}

/* Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); height: 100vh; overflow: hidden; background: var(--win-gray); display: flex; flex-direction: column; }

/* Header */
.header { background: var(--win-gray); border-bottom: 2px solid var(--win-gray-dark); padding: 6px 12px; display: flex; align-items: center; justify-content: space-between; height: 36px; flex-shrink: 0; }
.header-left { display: flex; align-items: center; gap: 10px; }
.header-icon { font-size: 20px; }
.header-title { font-size: 14px; font-weight: bold; }
.header-links { display: flex; gap: 16px; }
.header-link { font-size: 12px; text-decoration: underline; cursor: pointer; }
.header-link:hover { background: var(--win-blue); color: var(--bg-white); }

/* Layout */
.app-container { display: flex; height: calc(100vh - 36px); width: 100vw; }
.toggle-strip { display: flex; flex-direction: column; background: var(--win-gray); width: 32px; border-right: 2px solid var(--win-gray-dark); }
.main-panels { display: flex; flex: 1; min-width: 0; }
.panel { display: flex; flex-direction: column; border-right: 2px solid var(--win-gray-dark); background: var(--win-gray); min-width: 200px; }
.panel:last-child { border-right: none; }
.snippet-panel { width: 25%; flex: 0 1 auto; }
.editor-panel { width: 50%; flex: 0 1 auto; }
.preview-panel { width: 25%; flex: 0 1 auto; }

/* Resize Handle */
.resize-handle { width: 4px; background: var(--win-gray-dark); cursor: col-resize; flex-shrink: 0; position: relative; border-left: 1px solid #a0a0a0; border-right: 1px solid var(--win-gray-darker); }
.resize-handle:hover { background: var(--win-gray-darker); }
.resize-handle.dragging { background: var(--win-blue); }

/* Panel Header */
.panel-header { padding: 6px 12px; background: var(--win-gray); border-bottom: 1px solid var(--win-gray-dark); font-size: 12px; display: flex; justify-content: space-between; align-items: center; height: 28px; }

/* Controls */
.editor-controls { display: flex; align-items: center; gap: 6px; height: 20px; }
.view-label { font-size: 10px; margin-right: 4px; }
.view-toggle-group,
.dataset-toggle-group { display: flex; }

/* Base Button Styles */
.btn {
    background: var(--win-gray);
    border: 2px outset var(--win-gray);
    color: #000;
    cursor: pointer;
    font-family: var(--font-main);
}
.btn:hover { background: var(--win-gray-light); }
.btn:active { border-style: inset; }
.btn:disabled { opacity: 0.5; cursor: default; }

/* Toggle Buttons (small inline) */
.btn-toggle { border: 1px solid var(--win-gray-dark); padding: 2px 8px; font-size: 10px; height: 20px; }
.btn-toggle:first-child { border-right: 1px solid var(--win-gray-dark); }
.btn-toggle:last-child { border-left: none; }
.btn-toggle:hover:not(.active) { background: var(--win-gray-light); }
.btn-toggle:active { background: var(--win-blue); color: var(--bg-white); }
.btn-toggle.active {
    background: var(--win-blue);
    color: var(--bg-white);
    border-top: 1px solid var(--win-blue-dark);
    border-left: 1px solid var(--win-blue-dark);
    border-bottom: 1px solid var(--win-blue-light);
    border-right: 1px solid var(--win-blue-light);
}
.btn-toggle.active:first-child { border-right: 1px solid var(--win-blue-light); }
.btn-toggle.active:last-child { border-left: 1px solid var(--win-blue-dark); }
.btn-toggle:not(:first-child) { border-left: none; }
.btn-toggle.active:not(:first-child) { border-left: 1px solid var(--win-blue-dark); }

/* Action Buttons */
.btn-action { padding: 2px 8px; font-size: 10px; display: none; height: 20px; }
.btn-action.visible { display: block; }
.btn-action:hover { filter: brightness(1.1); }
.btn-action.publish { background: #90ee90; }
.btn-action.publish:hover { background: #a0ffa0; }
.btn-action.revert { background: #ffb080; }
.btn-action.revert:hover { background: #ffc090; }

/* Icon Buttons */
.btn-icon { padding: 0; width: 20px; height: 20px; font-size: 14px; display: flex; align-items: center; justify-content: center; border: 1px outset var(--win-gray); }
.btn-icon:active { border: 1px inset var(--win-gray); }
.btn-icon.large { width: 24px; height: 24px; font-size: 12px; }
.btn-icon.xlarge { width: 32px; height: 32px; font-size: 16px; padding: 6px; }
.btn-icon.xlarge.active { background: var(--win-gray-light); border: 2px inset var(--win-gray); }

/* Standard Buttons */
.btn-standard { padding: 4px 8px; font-size: 11px; }
.btn-standard.flex { flex: 1; }
.btn-standard.primary { background: #90ee90; }
.btn-standard.primary:hover { background: #a0ffa0; }
.btn-standard.danger { background: #f88; border: 2px outset #f88; }
.btn-standard.danger:hover { background: #f99; }
.btn-standard.danger:active { border: 2px inset #f88; }

/* Modal Buttons */
.btn-modal { padding: 6px 12px; font-size: 11px; }
.btn-modal.primary { background: #90ee90; }
.btn-modal.primary:hover { background: #a0ffa0; }
.btn-modal.danger { background: #f88; border: 2px outset #f88; }
.btn-modal.danger:hover { background: #f99; }
.btn-modal.danger:active { border: 2px inset #f88; }

/* Sort Controls */
.sort-controls { padding: 6px 12px; background: var(--win-gray-light); border-bottom: 2px solid var(--win-gray-dark); display: flex; align-items: center; gap: 6px; font-size: 11px; }
.sort-label { font-size: 10px; margin-right: 4px; }
.sort-btn { border: 1px outset var(--win-gray); padding: 2px 6px; font-size: 10px; display: flex; align-items: center; gap: 3px; }
.sort-btn:hover { background: var(--win-gray-light); }
.sort-btn:active { border: 1px inset var(--win-gray); }
.sort-text { flex: 1; }
.sort-arrow { font-size: 9px; opacity: 0.7; }
.sort-btn.active {
    background: var(--win-blue);
    color: var(--bg-white);
    border: 1px inset var(--win-blue);
    border-top: 1px solid var(--win-blue-dark);
    border-left: 1px solid var(--win-blue-dark);
    border-bottom: 1px solid var(--win-blue-light);
    border-right: 1px solid var(--win-blue-light);
}

/* Search Controls */
.search-controls { padding: 6px 12px; background: var(--win-gray-light); border-bottom: 2px solid var(--win-gray-dark); display: flex; align-items: center; gap: 4px; }
#snippet-search { flex: 1; font-family: var(--font-main); font-size: 11px; border: 2px inset var(--win-gray); padding: 3px 6px; height: 20px; }

/* Panel Content */
.panel-content { flex: 1; padding: 8px; overflow: hidden; background: var(--bg-white); border: 1px inset var(--win-gray); display: flex; flex-direction: column; }

/* Placeholder */
.placeholder { color: var(--win-gray-dark); font-style: italic; text-align: center; margin-top: 40px; font-size: 12px; }

/* Snippet List */
.snippet-list { list-style: none; flex: 1; overflow-y: auto; overflow-x: hidden; margin-bottom: 8px; }
.snippet-item { padding: 4px 8px; border: 1px solid var(--win-gray-dark); margin-bottom: 2px; cursor: pointer; background: var(--bg-white); display: flex; justify-content: space-between; align-items: center; }
.snippet-info { flex: 1; }
.snippet-status { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-left: 8px; }
.snippet-status.published { background: #0f0; box-shadow: 0 0 2px #0c0; }
.snippet-status.draft { background: #ff0; box-shadow: 0 0 2px #cc0; }
.snippet-item:hover { background: var(--win-blue-lighter); color: var(--bg-white); }
.snippet-item.selected { background: var(--win-blue); color: var(--bg-white); }
.snippet-name { font-size: 12px; }
.snippet-date { font-size: 11px; color: inherit; margin-top: 1px; }
.snippet-size { font-size: 10px; color: var(--win-gray-dark); margin-left: auto; margin-right: 8px; flex-shrink: 0; }

/* Placeholders */
.editor-placeholder,
.preview-placeholder { background: var(--bg-white); border: 2px inset var(--win-gray); height: 300px; display: flex; align-items: center; justify-content: center; flex-direction: column; margin: 8px; }

/* Snippet Meta */
.snippet-meta { margin-top: 12px; padding: 8px 8px 16px; border-top: 1px solid var(--win-gray-dark); background: var(--bg-light); border: 1px inset var(--win-gray); margin-left: -8px; margin-right: -8px; margin-bottom: 0; flex-shrink: 0; }
.meta-header { font-size: 11px; font-weight: bold; margin-bottom: 4px; }

/* Base Input Styles */
.input {
    width: 100%;
    font-family: var(--font-main);
    font-size: 11px;
    border: 2px inset var(--win-gray);
    padding: 4px;
    background: var(--bg-white);
}
.input.textarea { resize: vertical; }
.input.small { height: 20px; }
.input.medium { min-height: 40px; }

/* Meta Info */
.meta-info { margin: 8px 0; padding: 6px; background: var(--bg-lighter); border: 1px inset var(--win-gray); font-size: 10px; }
.meta-info-item { display: flex; justify-content: space-between; margin-bottom: 2px; }
.meta-info-item:last-child { margin-bottom: 0; }
.meta-info-label { font-weight: bold; }
.meta-info-value { color: var(--win-gray-darker); }

/* Meta Actions */
.meta-actions { display: flex; gap: 6px; margin-top: 8px; }

/* Ghost Card */
.ghost-card { border: 2px dashed var(--win-gray-dark) !important; background: var(--bg-light) !important; font-style: italic; opacity: 0.8; }
.ghost-card:hover { background: var(--bg-lighter) !important; border-color: var(--win-gray-darker) !important; opacity: 1; }
.ghost-card .snippet-name { color: var(--win-gray-darker); }
.ghost-card .snippet-date { color: var(--win-gray-dark); }

/* Storage Monitor */
.storage-monitor { padding: 8px; background: var(--bg-light); border-top: 1px solid var(--win-gray-dark); margin: 0 -8px -8px; flex-shrink: 0; }
.storage-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; font-size: 10px; }
.storage-label { font-weight: bold; }
.storage-text { color: var(--win-gray-darker); }
.storage-bar { width: 100%; height: 12px; background: var(--bg-white); border: 1px inset var(--win-gray); position: relative; }
.storage-fill { height: 100%; background: #0a0; transition: width 0.3s ease, background-color 0.3s ease; }
.storage-fill.warning { background: #f80; }
.storage-fill.critical { background: #f00; }

/* Modal */
.modal { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal-content { background: var(--win-gray); border: 2px outset var(--win-gray); width: 90%; max-width: 900px; max-height: 90vh; display: flex; flex-direction: column; box-shadow: 4px 4px 8px rgba(0,0,0,0.3); }
.modal-header { background: #008; color: var(--bg-white); padding: 4px 8px; display: flex; justify-content: space-between; align-items: center; height: 24px; border-bottom: 2px solid var(--win-gray-dark); }
.modal-title { font-size: 12px; font-weight: bold; }
.modal-body { flex: 1; overflow: auto; background: var(--bg-white); border: 2px inset var(--win-gray); margin: 8px; min-height: 0; }

/* Dataset Views */
.dataset-view { min-height: 100%; display: flex; flex-direction: column; }
.dataset-list-header { padding: 8px; background: var(--win-gray-light); border-bottom: 2px solid var(--win-gray-dark); }
.dataset-container { display: flex; flex: 1; overflow: hidden; }
.dataset-list { width: 300px; overflow-y: auto; border-right: 2px solid var(--win-gray-dark); background: var(--bg-white); }
.dataset-item { padding: 8px; border-bottom: 1px solid #d0d0d0; cursor: pointer; background: var(--bg-white); }
.dataset-item:hover { background: var(--win-blue-lighter); color: var(--bg-white); }
.dataset-item.selected { background: var(--win-blue); color: var(--bg-white); }
.dataset-name { font-size: 12px; font-weight: bold; margin-bottom: 2px; }
.dataset-meta { font-size: 10px; color: var(--win-gray-darker); }
.dataset-item.selected .dataset-meta,
.dataset-item:hover .dataset-meta { color: inherit; opacity: 0.9; }
.dataset-empty { padding: 32px; text-align: center; color: var(--win-gray-dark); font-style: italic; font-size: 12px; }

/* Dataset Details */
.dataset-details { flex: 1; overflow-y: auto; background: var(--bg-white); }
.dataset-detail-section { padding: 16px; }
.dataset-detail-header { font-size: 11px; font-weight: bold; margin-bottom: 6px; margin-top: 12px; }
.dataset-detail-header:first-child { margin-top: 0; }
.dataset-detail-header-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; margin-top: 12px; }

/* Stats & Preview Boxes */
.stats-box { background: var(--bg-light); border: 1px inset var(--win-gray); padding: 8px; font-size: 10px; }
.stat-item { display: flex; justify-content: space-between; margin-bottom: 4px; }
.stat-item:last-child { margin-bottom: 0; }
.stat-label { font-weight: bold; }

.preview-box { background: var(--bg-light); border: 2px inset var(--win-gray); padding: 8px; font-family: var(--font-mono); font-size: 10px; overflow: auto; margin: 0; }
.preview-box.medium { max-height: 150px; }
.preview-box.large { max-height: 200px; }

.dataset-actions { display: flex; gap: 8px; margin-top: 16px; }

/* Dataset Form */
.dataset-form { padding: 16px; height: 100%; overflow-y: auto; }
.dataset-form-header { font-size: 14px; font-weight: bold; margin-bottom: 16px; }
.dataset-form-group { margin-bottom: 12px; }
.dataset-form-label { display: block; font-size: 11px; font-weight: bold; margin-bottom: 4px; }
.dataset-toggle-row { display: flex; gap: 24px; padding: 8px; background: var(--bg-light); border: 1px inset var(--win-gray); flex-wrap: wrap; }
.dataset-toggle-section { display: flex; align-items: center; gap: 8px; }
.dataset-toggle-label { font-size: 10px; }
.dataset-format-hint { font-size: 10px; color: var(--win-gray-darker); font-style: italic; margin-bottom: 4px; padding: 4px; background: #fffacd; border: 1px solid #e0e0a0; }

/* Detection Confirmation */
.dataset-detection-confirm { margin: 12px 0; padding: 12px; background: #e8f4f8; border: 2px solid #4a90c5; border-radius: 4px; }
.detection-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.detection-title { font-size: 11px; font-weight: bold; }
.detection-badges { display: flex; gap: 6px; align-items: center; }
.detection-badge { background: var(--win-blue); color: var(--bg-white); padding: 2px 8px; font-size: 10px; font-weight: bold; border: 1px solid var(--win-blue-dark); border-radius: 2px; }
.detected-confidence { font-size: 9px; padding: 2px 6px; border-radius: 2px; }
.detected-confidence.high { background: #90ee90; border: 1px solid #60c060; }
.detected-confidence.medium { background: #ffff90; border: 1px solid #d0d060; }
.detected-confidence.low { background: #ffb080; border: 1px solid #d08050; }
.detection-preview-label { font-size: 10px; font-weight: bold; margin-bottom: 4px; }
.dataset-form-error { color: #f00; font-size: 11px; margin-bottom: 12px; min-height: 16px; }
.dataset-form-actions { display: flex; gap: 8px; margin-top: 16px; }