/* =============================================
   TypeScript Playground Lite — style.css
   VSCode-inspired dark code editor theme
   ============================================= */

:root {
    --bg: #1e1e2e;
    --surface: #24273a;
    --surface-2: #2a2d3e;
    --border: #363a52;
    --text: #cdd6f4;
    --muted: #6c7086;
    --blue: #89b4fa;
    --green: #a6e3a1;
    --red: #f38ba8;
    --yellow: #f9e2af;
    --purple: #cba6f7;
    --primary: #7c3aed;
    --primary-h: #9256f0;
    --radius-sm: 5px;
    --toolbar-h: 40px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --font-code: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html,
body {
    height: 100vh;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 13px;
}

/* ── Toolbar ── */
.toolbar {
    height: var(--toolbar-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 8px;
    flex-shrink: 0;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    overflow: hidden;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.logo-icon {
    font-size: 1rem;
}

.logo-title {
    font-size: 0.82rem;
    color: var(--blue);
}

.opt-select {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 0.75rem;
    padding: 3px 6px;
    cursor: pointer;
    outline: none;
}

.opt-select:hover {
    border-color: var(--primary);
}

.toggle-group {
    display: flex;
    gap: 8px;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: 0.72rem;
    color: var(--muted);
}

.toggle-label input {
    accent-color: var(--blue);
    width: 12px;
    height: 12px;
    cursor: pointer;
}

.toggle-label:hover {
    color: var(--text);
}

.ts-version-badge {
    font-size: 0.72rem;
    background: rgba(137, 180, 250, 0.1);
    border: 1px solid rgba(137, 180, 250, 0.2);
    color: var(--blue);
    border-radius: var(--radius-sm);
    padding: 2px 8px;
    white-space: nowrap;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.18s;
    white-space: nowrap;
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--muted);
    border: none;
}

.btn-ghost:hover {
    color: var(--text);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.75rem;
}

.btn-xs {
    padding: 2px 7px;
    font-size: 0.7rem;
}

/* ── Dropdowns ── */
.dropdown-panel {
    position: absolute;
    top: var(--toolbar-h);
    right: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    z-index: 100;
    width: 340px;
    max-height: 380px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}

.dropdown-panel[hidden] {
    display: none;
}

.dropdown-header {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
    flex-shrink: 0;
}

.dropdown-list,
.saved-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.example-item,
.saved-item {
    padding: 7px 12px;
    cursor: pointer;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: background 0.15s;
}

.example-item:hover,
.saved-item:hover {
    background: var(--surface-2);
}

.example-tag {
    font-size: 0.65rem;
    background: rgba(137, 180, 250, 0.12);
    color: var(--blue);
    border-radius: 3px;
    padding: 1px 5px;
}

.search-input {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.75rem;
    padding: 4px 8px;
    outline: none;
    font-family: inherit;
}

.search-input:focus {
    border-color: var(--blue);
}

.save-row {
    display: flex;
    gap: 6px;
}

.save-row .search-input {
    flex: 1;
}

.saved-del {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.7rem;
    cursor: pointer;
}

.saved-del:hover {
    color: var(--red);
}

/* ── Workspace ── */
.workspace {
    display: flex;
    flex: 1;
    height: calc(100vh - var(--toolbar-h));
    overflow: hidden;
}

.pane {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 200px;
    overflow: hidden;
}

.pane-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.pane-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.pane-actions {
    display: flex;
    gap: 5px;
    margin-left: auto;
}

.pane-tabs {
    display: flex;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.pane-tab {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 6px 14px;
    font-family: inherit;
    font-size: 0.75rem;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.18s;
}

.pane-tab.active {
    color: var(--blue);
    border-bottom-color: var(--blue);
}

.pane-tab-panel {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.pane-tab-panel.active {
    display: flex;
}

/* ── Editor ── */
.editor-wrap {
    flex: 1;
    position: relative;
    display: flex;
    overflow: hidden;
    background: var(--bg);
}

.line-numbers {
    padding: 8px 8px 8px 4px;
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.65;
    color: var(--muted);
    user-select: none;
    text-align: right;
    min-width: 40px;
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    background: var(--surface);
}

.code-editor {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: transparent;
    caret-color: var(--text);
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.65;
    padding: 8px;
    resize: none;
    z-index: 2;
    position: absolute;
    top: 0;
    left: 40px;
    right: 0;
    bottom: 0;
    width: calc(100% - 40px);
    white-space: pre;
    overflow: auto;
}

.highlight-overlay {
    position: absolute;
    top: 0;
    left: 40px;
    right: 0;
    bottom: 0;
    pointer-events: none;
    padding: 8px;
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.65;
    white-space: pre;
    overflow: hidden;
    color: var(--text);
}

/* ── Error Panel ── */
.error-badge {
    font-size: 0.7rem;
    font-weight: 700;
    background: rgba(243, 139, 168, 0.15);
    color: var(--red);
    border: 1px solid rgba(243, 139, 168, 0.25);
    border-radius: 10px;
    padding: 2px 8px;
}

.error-panel {
    background: rgba(243, 139, 168, 0.05);
    border-top: 1px solid rgba(243, 139, 168, 0.2);
    overflow-y: auto;
    max-height: 120px;
    flex-shrink: 0;
}

.error-item {
    padding: 5px 10px;
    font-family: var(--font-code);
    font-size: 0.72rem;
    color: var(--red);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.error-item strong {
    color: var(--yellow);
}

/* ── Output ── */
.output-code {
    flex: 1;
    padding: 8px;
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.65;
    color: var(--text);
    overflow: auto;
    background: var(--bg);
    margin: 0;
    white-space: pre;
}

.output-code code {
    color: inherit;
}

.compile-status {
    font-size: 0.7rem;
    color: var(--muted);
    margin-left: 8px;
}

.compile-status.ok {
    color: var(--green);
}

.compile-status.err {
    color: var(--red);
}

/* ── Console ── */
.console-output {
    flex: 1;
    padding: 8px;
    font-family: var(--font-code);
    font-size: 12px;
    line-height: 1.7;
    overflow-y: auto;
}

.console-line {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding: 2px 0;
}

.console-line.log {
    color: var(--text);
}

.console-line.warn {
    color: var(--yellow);
}

.console-line.error {
    color: var(--red);
}

.console-line.info {
    color: var(--blue);
}

/* ── Resizer ── */
.resizer {
    width: 5px;
    background: var(--border);
    cursor: col-resize;
    flex-shrink: 0;
    transition: background 0.18s;
}

.resizer:hover,
.resizer.dragging {
    background: var(--primary);
}

/* ── Toast ── */
.toast {
    position: fixed;
    bottom: 16px;
    right: 16px;
    background: var(--text);
    color: var(--bg);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 0.78rem;
    z-index: 999;
    opacity: 0;
    transform: translateY(6px);
    transition: all 0.25s;
    pointer-events: none;
}

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