/* EtchSoldier - Dark Theme CSS */
/* Matches 3dprintercameras dashboard: #0a0a0a bg, #111 panels, #333 borders, #00ff88 accent */

:root {
    --bg: #0a0a0a;
    --panel: #111111;
    --panel-hover: #1a1a1a;
    --border: #333333;
    --border-light: #444444;
    --accent: #00ff88;
    --accent-dim: rgba(0, 255, 136, 0.15);
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --text: #e0e0e0;
    --text-dim: #888888;
    --text-muted: #555555;
    --danger: #ef4444;
    --warning: #f59e0b;
    --header-height: 44px;
    --status-height: 26px;
    --sidebar-width: 220px;
    --props-width: 260px;
    --bottom-height: 200px;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html, body {
    height: 100%;
    overflow: hidden;
    font-family: var(--font-ui);
    background: var(--bg);
    color: var(--text);
    font-size: 13px;
    line-height: 1.4;
}

/* ── Header ── */
#app-header {
    height: var(--header-height);
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    user-select: none;
    flex-shrink: 0;
    overflow: visible;
    gap: 8px;
    position: relative;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
    color: var(--accent);
    letter-spacing: -0.5px;
}

.header-logo svg {
    width: 22px;
    height: 22px;
}

.mode-tabs {
    display: flex;
    gap: 2px;
    background: var(--bg);
    border-radius: 6px;
    padding: 2px;
}

.mode-tab {
    padding: 4px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-dim);
    background: transparent;
    border: none;
    transition: all 0.15s;
    font-family: var(--font-ui);
}

.mode-tab:hover {
    color: var(--text);
    background: var(--panel);
}

.mode-tab.active {
    color: var(--accent);
    background: var(--panel);
}

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

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

.btn {
    padding: 5px 12px;
    border-radius: 5px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    cursor: pointer;
    font-size: 12px;
    font-family: var(--font-ui);
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.btn-primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    font-weight: 600;
}

.btn-primary:hover {
    background: #00dd77;
    border-color: #00dd77;
}

.btn-danger {
    border-color: rgba(239, 68, 68, 0.4);
    color: var(--danger);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

kbd {
    padding: 1px 5px;
    border-radius: 3px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-dim);
}

/* ── Main Layout ── */
#app-body {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-height) - var(--status-height));
    overflow: hidden;
}

#main-row {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* Split.js gutters */
.gutter {
    background: var(--border);
    cursor: col-resize;
    flex-shrink: 0;
}

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

.gutter.gutter-vertical {
    cursor: row-resize;
}

/* ── Sidebar: Component Library ── */
#sidebar-panel {
    background: var(--panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-width: 160px;
    overflow: hidden;
}

.panel-title {
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

#lib-search {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg);
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 12px;
    outline: none;
    font-family: var(--font-ui);
    -webkit-appearance: none;
    appearance: none;
}

#lib-search::-webkit-search-cancel-button,
#lib-search::-webkit-search-decoration {
    -webkit-appearance: none;
    appearance: none;
}

#lib-search::placeholder {
    color: var(--text-muted);
}

#lib-search:focus {
    background: #0d0d0d;
    border-bottom-color: var(--accent);
}

#component-tree {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.lib-category {
    user-select: none;
}

.lib-category-header {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lib-category-header:hover {
    color: var(--text);
    background: var(--panel-hover);
}

.lib-category-header .caret {
    font-size: 10px;
    transition: transform 0.15s;
}

.lib-category-header.open .caret {
    transform: rotate(90deg);
}

.lib-item {
    padding: 4px 12px 4px 28px;
    font-size: 12px;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lib-item:hover {
    background: var(--accent-dim);
    color: var(--accent);
}

.lib-item .item-icon {
    font-size: 11px;
    color: var(--text-dim);
    width: 16px;
    text-align: center;
}

/* ── Center Panel: Editor / Viewer ── */
#center-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    background: var(--bg);
}

#center-view-tabs {
    display: flex;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    overflow-x: auto;
}

.view-tab {
    padding: 7px 16px;
    font-size: 12px;
    color: var(--text-dim);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: all 0.15s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--font-ui);
}

.view-tab:hover {
    color: var(--text);
    background: var(--panel-hover);
}

.view-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

#center-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.view-pane {
    position: absolute;
    inset: 0;
    display: none;
    overflow: hidden;
}

.view-pane.active {
    display: flex;
    flex-direction: column;
}

/* CodeMirror container */
#editor-container {
    flex: 1;
    overflow: hidden;
}

#editor-container .cm-editor {
    height: 100%;
}

#editor-container .cm-scroller {
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
}

#editor-container .cm-gutters {
    background: var(--panel);
    border-right: 1px solid var(--border);
    color: var(--text-muted);
}

#editor-container .cm-activeLineGutter {
    background: var(--panel-hover);
    color: var(--text-dim);
}

#editor-container .cm-activeLine {
    background: rgba(255, 255, 255, 0.02);
}

#editor-container .cm-selectionBackground {
    background: rgba(0, 255, 136, 0.12) !important;
}

#editor-container .cm-cursor {
    border-left-color: var(--accent);
}

#editor-container .cm-matchingBracket {
    background: rgba(0, 255, 136, 0.2);
    outline: 1px solid var(--accent);
}

/* 3D Preview */
#three-container {
    width: 100%;
    height: 100%;
    background: #050505;
}

#three-container canvas {
    display: block;
}

/* KiCanvas viewer */
#schematic-container,
#pcb-container {
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

#schematic-container kicanvas-embed,
#pcb-container kicanvas-embed {
    width: 100%;
    height: 100%;
}

.placeholder-msg {
    text-align: center;
    color: var(--text-muted);
}

.placeholder-msg h3 {
    font-size: 16px;
    color: var(--text-dim);
    margin-bottom: 8px;
    font-weight: 500;
}

.placeholder-msg p {
    font-size: 13px;
}

/* ── Right Panel: Properties ── */
#props-panel {
    background: var(--panel);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-width: 180px;
    overflow: hidden;
}

.props-section {
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
}

.props-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.prop-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 0;
    font-size: 12px;
}

.prop-label {
    color: var(--text-dim);
}

.prop-value {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
}

.prop-value.editable {
    padding: 2px 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 3px;
    cursor: text;
}

.prop-value.editable:focus {
    border-color: var(--accent);
    outline: none;
}

#props-content {
    flex: 1;
    overflow-y: auto;
}

.props-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 20px;
    text-align: center;
    user-select: none;
}

/* ── Bottom Panel: Console / Sim / DRC ── */
#bottom-panel {
    background: var(--panel);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-height: 100px;
    overflow: hidden;
}

#bottom-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--panel);
}

.bottom-tab {
    padding: 5px 14px;
    font-size: 12px;
    color: var(--text-dim);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--font-ui);
    display: flex;
    align-items: center;
    gap: 6px;
}

.bottom-tab:hover {
    color: var(--text);
}

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

.badge {
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 600;
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge-ok {
    background: rgba(0, 255, 136, 0.15);
    color: var(--accent);
}

#bottom-content {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.bottom-pane {
    position: absolute;
    inset: 0;
    display: none;
    overflow: auto;
}

.bottom-pane.active {
    display: block;
}

/* Console */
#console-output {
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-all;
}

.console-line {
    padding: 1px 0;
}

.console-line.info { color: var(--text-dim); }
.console-line.success { color: var(--accent); }
.console-line.error { color: var(--danger); }
.console-line.warning { color: var(--warning); }
.console-line .timestamp {
    color: var(--text-muted);
    margin-right: 8px;
}

/* Simulation chart */
#sim-container {
    width: 100%;
    height: 100%;
}

/* DRC */
#drc-output {
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.drc-item {
    padding: 4px 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.drc-icon {
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

.drc-pass { color: var(--accent); }
.drc-warn { color: var(--warning); }
.drc-fail { color: var(--danger); }

/* ── Status Bar ── */
#status-bar {
    height: var(--status-height);
    background: var(--panel);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    font-size: 11px;
    color: var(--text-dim);
    flex-shrink: 0;
    user-select: none;
}

.status-left,
.status-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
}

.status-dot.disconnected {
    background: var(--danger);
}

/* ── Scrollbars ── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ── Mobile toggle buttons (hidden on desktop) ── */
.mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px 8px;
    transition: all 0.15s;
}
.mobile-toggle:hover {
    color: var(--text);
    border-color: var(--border-light);
}

/* ── Header overflow fix ── */
.header-right {
    flex-shrink: 0;
    overflow: visible;
}
.header-right .btn {
    white-space: nowrap;
}

/* ── AI assistant trigger: push below header, not overlap ── */
.ai-trigger-float {
    top: 54px !important;
    right: 14px !important;
    z-index: 200;
}

/* ── Review Design button: style as a bottom tab ── */
#btn-review-design {
    padding: 5px 14px;
    font-size: 12px;
    color: var(--accent);
    cursor: pointer;
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    font-family: var(--font-ui);
    font-weight: 600;
    margin-left: 0;
    transition: all 0.15s;
}
#btn-review-design:hover {
    background: var(--panel-hover);
    border-bottom-color: var(--accent);
}

/* ── Projects sidebar: compact, below component tree ── */
#projects-sidebar {
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    max-height: 240px;
    overflow-y: auto;
}
#projects-sidebar .panel-title {
    padding: 6px 12px;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
#projects-sidebar .panel-title::after {
    content: '\25B6';
    font-size: 8px;
    transition: transform 0.15s;
}
#projects-sidebar.expanded .panel-title::after {
    transform: rotate(90deg);
}
#projects-sidebar #gh-auth-panel,
#projects-sidebar #gh-projects-panel {
    display: none;
}
#projects-sidebar.expanded #gh-auth-panel {
    display: block;
}
#projects-sidebar.expanded #gh-projects-panel {
    display: block;
}

/* ── Responsive tweaks ── */
@media (max-width: 900px) {
    #sidebar-panel, #props-panel {
        display: flex;
        position: fixed;
        top: var(--header-height);
        bottom: var(--status-height);
        z-index: 900;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: 4px 0 20px rgba(0,0,0,0.5);
        width: 280px;
    }
    #sidebar-panel { left: 0; }
    #props-panel {
        left: auto;
        right: 0;
        transform: translateX(100%);
    }
    #sidebar-panel.mobile-open,
    #props-panel.mobile-open {
        transform: translateX(0);
    }
    .mobile-toggle { display: flex !important; }
    .header-center { display: none; }
    .mode-tabs { display: none; }
    #app-header { padding: 0 8px; }
    .header-right .btn kbd { display: none; }
    .ai-trigger-float {
        top: 54px !important;
        width: 36px !important;
        height: 36px !important;
        font-size: 16px !important;
    }
}

@media (max-width: 1200px) {
    .header-center .btn span,
    .btn kbd { display: none; }
    .header-right .btn { padding: 5px 8px; font-size: 11px; }
    .mode-tab { padding: 4px 10px; font-size: 11px; }
}

/* ── Welcome Overlay ── */
#welcome-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

#welcome-overlay.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.welcome-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 36px 40px;
    max-width: 520px;
    width: 90vw;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.welcome-header {
    text-align: center;
    margin-bottom: 28px;
}

.welcome-header svg {
    color: var(--accent);
    margin-bottom: 12px;
}

.welcome-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.welcome-sub {
    color: var(--text-dim);
    font-size: 14px;
}

/* Steps */
.welcome-steps {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.welcome-step {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.step-number {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: #000;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content strong {
    display: block;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 2px;
}

.step-content span {
    font-size: 11px;
    color: var(--text-dim);
    line-height: 1.3;
}

.step-content kbd {
    padding: 1px 4px;
    border-radius: 3px;
    background: var(--panel);
    border: 1px solid var(--border);
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-dim);
}

/* Example grid */
.welcome-examples {
    margin-bottom: 20px;
}

.examples-label {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.example-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.example-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    font-family: var(--font-ui);
}

.example-btn:hover {
    border-color: var(--accent);
    background: rgba(0, 255, 136, 0.05);
}

.example-btn:active {
    transform: scale(0.98);
}

.example-icon {
    font-size: 20px;
    margin-bottom: 6px;
}

.example-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

.example-desc {
    font-size: 11px;
    color: var(--text-dim);
}

/* Footer */
.welcome-footer {
    text-align: center;
}

.welcome-dismiss {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.welcome-dismiss input[type="checkbox"] {
    accent-color: var(--accent);
}

/* Mobile welcome */
@media (max-width: 600px) {
    .welcome-card {
        padding: 24px 20px;
    }
    .welcome-steps {
        flex-direction: column;
        gap: 8px;
    }
    .example-grid {
        grid-template-columns: 1fr;
    }
}