/* Web Assist - 3-Column Layout */
:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-panel: #1c2128;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79b8ff;
    --success: #3fb950;
    --danger: #f85149;
    --radius: 6px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 20px;
}

.logo-text {
    font-size: 15px;
    font-weight: 600;
}

.status-bar {
    display: flex;
    gap: 10px;
}

.status-item {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 3px 8px;
    background: var(--bg-panel);
    border-radius: 4px;
}

/* Main 3-Column Layout */
.main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Panels */
.panel {
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-header h2 {
    font-size: 12px;
    font-weight: 600;
}

/* File Panel - Left */
.file-panel {
    width: 220px;
    min-width: 160px;
}

.file-tree {
    flex: 1;
    overflow-y: auto;
    padding: 4px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all 0.1s;
}

.file-item:hover {
    background: var(--bg-panel);
    color: var(--text-primary);
}

.file-item.active {
    background: var(--accent);
    color: #000;
}

.file-item.folder {
    font-weight: 500;
}

.file-item .indent {
    width: 12px;
    display: inline-block;
}

/* Editor Panel - Center */
.editor-panel {
    flex: 1;
    min-width: 300px;
}

.editor-path {
    font-size: 10px;
    color: var(--text-secondary);
    margin-left: 8px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.editor-content {
    flex: 1;
    overflow: auto;
    padding: 12px;
    background: var(--bg-dark);
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.editor-content code {
    color: var(--text-primary);
}

/* Actions Panel - Right */
.actions-panel {
    width: 260px;
    min-width: 200px;
    border-right: none;
}

.actions-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.action-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 8px;
}

.action-card h3 {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.action-controls {
    display: flex;
    gap: 6px;
}

.action-controls input {
    flex: 1;
    padding: 6px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
}

.action-controls input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Buttons */
.btn {
    padding: 6px 10px;
    border: none;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.1s;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn.primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

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

.btn.danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.btn.small {
    padding: 4px 8px;
    font-size: 10px;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 3px;
    border-radius: 4px;
}

.icon-btn:hover {
    background: var(--bg-panel);
}

/* Status Messages */
.status-message {
    margin-top: 6px;
    font-size: 10px;
    min-height: 14px;
    word-break: break-word;
}

.status-message.success {
    color: var(--success);
}

.status-message.error {
    color: var(--danger);
}

.status-message.info {
    color: var(--accent);
}

.status-message a {
    color: inherit;
}

/* Preview Modal */
.preview-modal {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 500px;
    height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.preview-modal.hidden {
    display: none;
}

.preview-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    font-weight: 600;
}

.preview-modal-header>div {
    display: flex;
    gap: 6px;
}

#preview-frame {
    flex: 1;
    width: 100%;
    border: none;
    background: #fff;
    border-radius: 0 0 var(--radius) var(--radius);
}

/* Loading */
.loading {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 11px;
}

/* Utility */
.hidden {
    display: none !important;
}