:root {
    --bg-main: #09090b;
    --bg-sidebar: #0f1013;
    --bg-panel: #131419;
    --bg-elevated: #191b21;
    --border: #272a32;
    --border-soft: #1f2229;
    --text-main: #f4f4f5;
    --text-secondary: #a7acb6;
    --text-muted: #69717f;
    --accent: #7c5cff;
    --accent-hover: #8d73ff;
    --success: #31c48d;
    --warning: #f6b94a;
    --danger: #f05252;
    --info: #4ea7ff;
    --font-code: "Google Sans Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --font-ui: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg-main); color: var(--text-main); font-family: var(--font-ui); }
a { color: var(--text-main); text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .52; }
.app-credit { position: fixed; right: 12px; bottom: 5px; z-index: 80; display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 11px; line-height: 1; background: rgba(9, 9, 11, .82); border: 1px solid var(--border-soft); border-radius: 6px; padding: 5px 8px; backdrop-filter: blur(10px); }
.app-credit a { color: var(--success); }
.app-credit a:hover { color: var(--text-main); }
.app-credit a + a:before { content: ""; display: inline-block; width: 1px; height: 9px; margin: 0 8px 0 0; background: var(--border); vertical-align: -1px; }

.auth-body { min-height: 100vh; background: radial-gradient(circle at 18% 20%, rgba(124, 92, 255, .18), transparent 28%), var(--bg-main); }
.auth-screen { min-height: 100vh; display: grid; grid-template-columns: minmax(280px, 1fr) 430px; gap: 48px; align-items: center; width: min(1120px, calc(100vw - 40px)); margin: 0 auto; }
.compact-auth { grid-template-columns: minmax(320px, 460px); justify-content: center; }
.auth-brand h1 { margin: 16px 0; max-width: 680px; font-size: clamp(44px, 7vw, 86px); line-height: .94; letter-spacing: 0; }
.auth-brand p { color: var(--text-secondary); font-size: 20px; }
.brand-mark, .logo img { display: inline-block; width: 38px; height: 38px; border-radius: 8px; object-fit: contain; background: transparent; }
.brand-logo { width: 74px; height: 64px; border-radius: 10px; }
.overline { color: var(--success); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 700; }
.auth-card { background: rgba(19, 20, 25, .92); border: 1px solid var(--border); border-radius: 8px; padding: 30px; box-shadow: 0 24px 70px rgba(0, 0, 0, .36); }
.auth-card h1, .auth-card h2 { margin: 0 0 8px; }
.muted { color: var(--text-secondary); }
.center { text-align: center; }
.stack { display: grid; gap: 16px; margin: 22px 0; }
label { display: grid; gap: 8px; color: var(--text-secondary); font-size: 13px; font-weight: 600; }
input, select { width: 100%; border: 1px solid var(--border); background: #0b0c10; color: var(--text-main); border-radius: 6px; padding: 12px 13px; outline: none; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124, 92, 255, .16); }
.grid-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check { display: flex; align-items: center; gap: 10px; }
.check input { width: auto; }
.check a { color: var(--success); }
.password-field { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.otp-input { text-align: center; font-size: 28px; letter-spacing: .18em; font-family: var(--font-code); }
.inline-form { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.dev-link { color: var(--text-secondary); font-size: 13px; }
.dev-link strong { color: var(--success); font-family: var(--font-code); }
.password-field button, .ghost, .icon-btn { border: 1px solid var(--border); background: var(--bg-elevated); color: var(--text-main); border-radius: 6px; padding: 10px 13px; }
.primary { border: 0; background: var(--accent); color: white; border-radius: 6px; padding: 12px 16px; font-weight: 700; display: inline-flex; justify-content: center; align-items: center; }
.primary:hover { background: var(--accent-hover); }
.inline { display: inline-flex; }
.small { padding: 7px 10px; font-size: 13px; }
.oauth-actions { display: grid; gap: 8px; margin-top: 12px; }
.oauth-button { width: 100%; display: inline-flex; justify-content: center; align-items: center; text-align: center; }
.divider { display: flex; gap: 10px; align-items: center; color: var(--text-muted); margin: 18px 0; }
.divider:before, .divider:after { content: ""; height: 1px; background: var(--border); flex: 1; }
.alert { border-radius: 6px; padding: 12px 14px; font-size: 14px; }
.alert p { margin: 0 0 6px; }
.alert p:last-child { margin-bottom: 0; }
.danger { background: rgba(240, 82, 82, .12); border: 1px solid rgba(240, 82, 82, .38); color: #ffb4b4; }
.success { background: rgba(49, 196, 141, .12); border: 1px solid rgba(49, 196, 141, .36); color: #9df0cb; }
.strength { display: grid; grid-template-columns: repeat(4, 1fr) auto; gap: 6px; align-items: center; color: var(--text-muted); font-size: 12px; }
.strength span { height: 5px; border-radius: 999px; background: var(--border); }
.strength[data-score="2"] span:nth-child(-n+2), .strength[data-score="3"] span:nth-child(-n+3), .strength[data-score="4"] span:nth-child(-n+4) { background: var(--success); }

.legal-page { min-height: 100vh; padding: 42px 20px 76px; background: radial-gradient(circle at 12% 0, rgba(49, 196, 141, .1), transparent 26%), var(--bg-main); }
.legal-document { width: min(820px, 100%); margin: 0 auto; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-panel); padding: 34px; box-shadow: 0 24px 70px rgba(0, 0, 0, .25); }
.legal-logo { margin-bottom: 28px; }
.legal-document h1 { margin: 6px 0 4px; font-size: 42px; letter-spacing: 0; }
.legal-document h2 { margin: 28px 0 8px; font-size: 20px; }
.legal-document p { margin: 0 0 12px; color: var(--text-secondary); line-height: 1.7; }

.topbar { height: 68px; border-bottom: 1px solid var(--border); background: rgba(9, 9, 11, .88); display: flex; align-items: center; gap: 18px; padding: 0 24px; position: sticky; top: 0; z-index: 2; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .02em; }
.search { max-width: 360px; margin-left: auto; }
.dashboard { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 68px); }
.dash-nav { background: var(--bg-sidebar); border-right: 1px solid var(--border); padding: 22px 14px; display: grid; align-content: start; gap: 7px; }
.dash-nav button, .tabs button { color: var(--text-secondary); border: 0; background: transparent; border-radius: 6px; padding: 10px 12px; text-align: left; }
.dash-nav button { width: 100%; }
.dash-nav .active, .tabs .active { background: var(--bg-elevated); color: var(--text-main); }
.dash-main { padding: 32px; }
.dashboard-alert { margin: 0 0 18px; }
.dashboard-panel { display: none; }
.dashboard-panel.active { display: block; }
.dash-hero { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 26px; }
.dash-hero h1 { margin: 5px 0 0; font-size: 36px; letter-spacing: 0; }
.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 22px; overflow-x: auto; }
.empty-state { border: 1px solid var(--border); background: var(--bg-panel); border-radius: 8px; padding: 42px; max-width: 620px; }
.empty-state h2 { font-size: 30px; margin: 6px 0; }
.project-filter-empty { margin-top: 18px; }
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.project-card { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-panel); overflow: hidden; }
.project-card[hidden] { display: none; }
.thumb { height: 132px; display: grid; place-items: center; background: linear-gradient(135deg, #131419, #21242d); border-bottom: 1px solid var(--border); }
.thumb img { width: 74px; height: 64px; object-fit: contain; filter: drop-shadow(0 12px 22px rgba(0, 0, 0, .3)); }
.project-card div { padding: 16px; }
.project-card h3, .project-card p { margin: 0 0 8px; }
.project-card .ghost { margin: 0 16px 16px; display: inline-flex; }
.quick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.action-card { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-panel); padding: 18px; display: grid; align-content: start; gap: 12px; min-height: 180px; }
.action-card h3, .action-card p { margin: 0; }
.action-card p { color: var(--text-secondary); line-height: 1.5; }
.action-card .ghost { justify-self: start; margin-top: auto; }
.template-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.template-card { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-panel); overflow: hidden; display: grid; }
.template-preview { height: 190px; background: #0b0c10; border-bottom: 1px solid var(--border); overflow: hidden; position: relative; }
.template-preview iframe { width: 1280px; height: 860px; border: 0; background: white; pointer-events: none; transform: scale(.23); transform-origin: top left; }
.template-meta { padding: 16px 16px 4px; }
.template-meta h3, .template-meta p { margin: 0 0 8px; }
.template-meta p:not(.overline) { color: var(--text-secondary); line-height: 1.45; }
.template-card .ghost { justify-self: start; margin: 8px 16px 16px; }
.settings-grid { display: grid; grid-template-columns: minmax(320px, 1.25fr) minmax(280px, .75fr); gap: 18px; align-items: start; }
.settings-card { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-panel); padding: 20px; display: grid; gap: 16px; }
.settings-card h2 { margin: 0 0 4px; font-size: 22px; }
.settings-card .primary { justify-self: start; }
.modal { border: 1px solid var(--border); border-radius: 8px; background: var(--bg-panel); color: var(--text-main); width: min(460px, 92vw); }
.modal::backdrop { background: rgba(0, 0, 0, .62); }
.modal form { display: grid; gap: 16px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal-head button { border: 0; background: transparent; color: var(--text-secondary); font-size: 26px; }
.share-modal { width: min(560px, 94vw); }
.share-row { display: grid; grid-template-columns: minmax(0, 1fr) 138px; gap: 8px; align-items: center; }
.share-row input { font-family: var(--font-code); font-size: 12px; }
.share-row .sidebar-action { text-align: center; }

.workspace { height: 100vh; max-height: 100vh; display: grid; grid-template-columns: 54px 250px minmax(360px, 1fr) minmax(320px, 42vw); grid-template-rows: 54px minmax(0, 1fr) 150px 26px; background: var(--bg-main); overflow: hidden; }
.workspace-top { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; padding: 0 14px; border-bottom: 1px solid var(--border); background: #090a0d; }
.workspace-top #save-state { margin-left: auto; color: var(--success); font-size: 13px; }
.workspace-icon-btn { width: 32px; height: 32px; display: inline-grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--border); border-radius: 6px; color: var(--text-secondary); background: var(--bg-elevated); }
.workspace-icon-btn:hover { color: var(--text-main); border-color: var(--accent); }
.workspace-icon-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.workspace.sidebar-hidden { grid-template-columns: 54px minmax(360px, 1fr) minmax(320px, 42vw); }
.workspace.sidebar-hidden .sidebar { display: none; }
.workspace.sidebar-hidden .editor-pane { grid-column: 2; }
.workspace.sidebar-hidden .preview-pane { grid-column: 3; }
.workspace.sidebar-hidden .bottom-panel { grid-column: 2 / -1; }
.workspace.preview-hidden { grid-template-columns: 54px 250px minmax(360px, 1fr); }
.workspace.preview-hidden .preview-pane { display: none; }
.workspace.preview-hidden .editor-pane { grid-column: 3 / -1; }
.workspace.preview-hidden .bottom-panel { grid-column: 3 / -1; }
.workspace.sidebar-hidden.preview-hidden { grid-template-columns: 54px minmax(360px, 1fr); }
.workspace.sidebar-hidden.preview-hidden .editor-pane { grid-column: 2 / -1; }
.workspace.sidebar-hidden.preview-hidden .bottom-panel { grid-column: 2 / -1; }
.activity-bar { grid-row: 2 / 4; background: #0b0c0f; border-right: 1px solid var(--border); display: grid; align-content: start; gap: 8px; padding: 12px 7px; }
.activity-bar button { border: 0; border-radius: 6px; background: transparent; color: var(--text-muted); padding: 9px 0; font-size: 11px; }
.activity-bar .active { background: var(--bg-elevated); color: var(--text-main); }
.sidebar { grid-column: 2; grid-row: 2 / 4; background: var(--bg-sidebar); border-right: 1px solid var(--border); overflow: auto; min-height: 0; }
.sidebar-panel { display: none; min-height: 100%; }
.sidebar-panel.active { display: block; }
.panel-title, .breadcrumbs, .tabs-row, .preview-toolbar, .bottom-panel, .status-bar { border-bottom: 1px solid var(--border); color: var(--text-secondary); font-family: var(--font-code); font-size: 12px; }
.panel-title { padding: 13px; text-transform: uppercase; font-family: var(--font-ui); font-weight: 700; }
.panel-body { display: grid; gap: 12px; padding: 12px; }
.panel-body label { font-size: 12px; }
.panel-body input[type="search"], .panel-body input[type="number"] { padding: 9px 10px; font-size: 12px; }
.panel-list { display: grid; gap: 6px; }
.panel-empty, .panel-note { color: var(--text-muted); font-size: 12px; line-height: 1.45; }
.panel-note code { color: var(--text-secondary); font-family: var(--font-code); }
.upload-form { display: grid; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--border-soft); }
.upload-form input[type="file"] { padding: 8px; font-size: 12px; }
.sidebar-action, .panel-result { width: 100%; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-elevated); color: var(--text-secondary); padding: 9px 10px; text-align: left; font-size: 12px; }
.sidebar-action:hover, .panel-result:hover { color: var(--text-main); border-color: var(--accent); }
.panel-result[data-asset-id] { cursor: copy; }
.panel-result strong { display: block; color: var(--text-main); font-family: var(--font-code); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.panel-result span { display: block; color: var(--text-muted); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.context-menu { position: fixed; z-index: 50; min-width: 156px; padding: 5px; border: 1px solid var(--border); border-radius: 6px; background: #101116; box-shadow: 0 18px 50px rgba(0, 0, 0, .42); }
.context-menu[hidden] { display: none; }
.context-menu-item { width: 100%; display: flex; align-items: center; gap: 8px; border: 0; border-radius: 5px; background: transparent; color: var(--text-secondary); padding: 8px 9px; text-align: left; font-size: 12px; }
.context-menu-item:hover { background: var(--bg-elevated); color: var(--text-main); }
.context-menu-item svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.context-menu-item.danger-action { color: #ffb4b4; }
.context-menu-item.danger-action:hover { background: rgba(240, 82, 82, .14); color: #ffd0d0; }
.assistant-output { min-height: 120px; border: 1px solid var(--border); border-radius: 6px; background: #0b0c10; color: var(--text-secondary); padding: 11px; font-size: 12px; line-height: 1.5; white-space: pre-wrap; }
.file-tree { padding: 8px; display: grid; gap: 3px; }
.file-node { border: 0; background: transparent; color: var(--text-secondary); text-align: left; border-radius: 5px; padding: 7px 8px; font-family: var(--font-code); font-size: 13px; }
.file-node.active { background: var(--bg-elevated); color: var(--text-main); }
.editor-pane { grid-column: 3; grid-row: 2; display: grid; grid-template-rows: 34px 34px minmax(0, 1fr); min-width: 0; min-height: 0; overflow: hidden; }
.breadcrumbs, .tabs-row { display: flex; align-items: center; padding: 0 12px; gap: 8px; }
.tabs-row { justify-content: space-between; }
.open-tab { min-width: 0; flex: 1; display: flex; align-items: end; height: 100%; }
.tab { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; background: var(--bg-elevated); color: var(--text-main); border: 1px solid var(--border); border-bottom: 0; border-radius: 6px 6px 0 0; padding: 7px 10px; font-family: var(--font-code); }
.editor-tools { display: inline-flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.editor-tool { width: 28px; height: 28px; display: inline-grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--border); border-radius: 6px; color: var(--text-secondary); background: var(--bg-elevated); }
.editor-tool:hover { color: var(--text-main); border-color: var(--accent); }
.editor-tool svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.editor-preview-open { display: none; }
.workspace.preview-hidden .editor-preview-open { display: inline-grid; }
.monaco-host { min-height: 0; height: 100%; background: #1e1e1e; position: relative; overflow: hidden; }
.editor-loading { height: 100%; display: grid; place-items: center; color: var(--text-muted); font-family: var(--font-code); }
.fallback-editor { width: 100%; height: 100%; resize: none; border: 0; border-radius: 0; background: #1e1e1e; color: #d4d4d4; font-family: var(--font-code); font-size: 14px; line-height: 1.55; padding: 18px; outline: none; tab-size: 4; }
.preview-pane { grid-column: 4; grid-row: 2; display: grid; grid-template-rows: 38px minmax(0, 1fr); border-left: 1px solid var(--border); background: var(--bg-panel); overflow: hidden; min-height: 0; }
.preview-toolbar { display: flex; align-items: center; gap: 8px; padding: 0 10px; overflow: hidden; }
.preview-toolbar select { width: auto; min-width: 104px; border: 1px solid var(--border); background: var(--bg-elevated); color: var(--text-main); border-radius: 5px; padding: 5px 8px; font-size: 12px; }
.preview-tool, .preview-zoom-value { width: 28px; height: 28px; display: inline-grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--border); border-radius: 6px; color: var(--text-secondary); background: var(--bg-elevated); padding: 0; font-size: 12px; }
.preview-tool:hover, .preview-zoom-value:hover { color: var(--text-main); border-color: var(--accent); }
.preview-tool[aria-pressed="true"] { color: white; border-color: var(--success); background: rgba(49, 196, 141, .18); }
.preview-tool svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.preview-zoom { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; }
.preview-zoom-value { width: 48px; font-family: var(--font-code); }
.preview-stage { min-height: 0; overflow: hidden; display: grid; justify-items: center; align-items: start; background: #0b0c10; padding: 14px; }
.preview-shell { position: relative; width: 100%; height: 100%; overflow: hidden; transition: width .18s ease, height .18s ease; }
.preview-pane iframe { position: absolute; top: 0; left: 50%; border: 0; background: white; transform: translateX(-50%) scale(var(--preview-zoom, 1)); transform-origin: top center; transition: width .18s ease, height .18s ease, transform .14s ease; }
.bottom-panel { grid-column: 3 / -1; grid-row: 3; border-top: 1px solid var(--border); background: #0d0e12; display: flex; align-items: start; gap: 8px; padding: 10px; }
.bottom-panel button { border: 0; background: transparent; color: var(--text-secondary); text-transform: uppercase; font-size: 12px; }
.bottom-panel .active { color: var(--text-main); }
.bottom-panel span { margin-left: 18px; color: var(--text-muted); }
.status-bar { grid-column: 1 / -1; grid-row: 4; border: 0; border-top: 1px solid var(--border); background: #101116; display: flex; align-items: center; gap: 22px; padding: 0 12px; }

@media (max-width: 900px) {
    .auth-screen { grid-template-columns: 1fr; padding: 40px 0; }
    .dashboard { grid-template-columns: 1fr; }
    .dash-nav { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 12px; }
    .dash-nav button { width: auto; white-space: nowrap; }
    .dash-hero { align-items: start; flex-direction: column; }
    .settings-grid { grid-template-columns: 1fr; }
    .workspace { grid-template-columns: 44px minmax(0, 1fr); grid-template-rows: 54px 180px minmax(0, 1fr) 120px 26px; }
    .workspace.sidebar-hidden { grid-template-columns: 44px minmax(0, 1fr); grid-template-rows: 54px minmax(0, 1fr) 120px 26px; }
    .workspace.preview-hidden { grid-template-columns: 44px minmax(0, 1fr); grid-template-rows: 54px 180px minmax(0, 1fr) 26px; }
    .workspace.sidebar-hidden.preview-hidden { grid-template-columns: 44px minmax(0, 1fr); grid-template-rows: 54px minmax(0, 1fr) 26px; }
    .sidebar { grid-column: 2; grid-row: 2; }
    .workspace.sidebar-hidden .sidebar { display: none; }
    .activity-bar { grid-row: 2 / 5; }
    .editor-pane { grid-column: 2; grid-row: 3; }
    .workspace.sidebar-hidden .editor-pane { grid-column: 2; grid-row: 2; }
    .workspace.preview-hidden .editor-pane { grid-column: 2; grid-row: 3; }
    .workspace.sidebar-hidden.preview-hidden .editor-pane { grid-column: 2; grid-row: 2; }
    .preview-pane { grid-column: 2; grid-row: 4; border-left: 0; border-top: 1px solid var(--border); }
    .workspace.sidebar-hidden .preview-pane { grid-column: 2; grid-row: 3; }
    .bottom-panel { display: none; }
}