:root{color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;--color-bg: #0d1117;--color-surface: #161b22;--color-surface-2: #1f2428;--color-surface-3: #21262d;--color-border: #30363d;--color-border-strong: #484f58;--color-text: #e6edf3;--color-text-dim: #c9d1d9;--color-text-muted: #8b949e;--color-text-quiet: #7d8590;--color-accent: #58a6ff;--color-accent-bright: #79c0ff;--color-accent-2: #388bfd;--color-sample-accent: #7a6bd9;--color-success: #238636;--color-success-bright: #2ea043;--color-warning: #f0883e;--color-error: #f85149;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--header-height: 56px;--chat-column-width: 35%;--chat-column-min: 360px}body{margin:0;background:var(--color-bg);color:var(--color-text)}.session{height:calc(100vh - var(--header-height));box-sizing:border-box}.session__grid{display:grid;grid-template-columns:minmax(var(--chat-column-min),var(--chat-column-width)) 1fr;gap:var(--space-2);padding:var(--space-2);height:100%;box-sizing:border-box}.session__grid--mobile{grid-template-columns:1fr;grid-template-rows:auto 1fr}.session__chat{display:grid;grid-template-rows:1fr auto;min-height:0;background:var(--color-surface);border-radius:var(--radius-md);overflow:hidden}.session__chat-stream{min-height:0;overflow:hidden}.session__chat-input{padding:var(--space-2) var(--space-3) var(--space-3);background:var(--color-surface)}.session__viz{min-height:0;overflow:auto;background:var(--color-surface);border-radius:var(--radius-md);padding:var(--space-3);box-sizing:border-box}.session__tabs{display:flex;gap:var(--space-1);padding:var(--space-2) var(--space-2) 0;background:var(--color-bg)}.session__tab{flex:1;padding:var(--space-2) var(--space-3);background:var(--color-surface);color:var(--color-text-dim);border:1px solid var(--color-border);border-bottom:none;border-radius:var(--radius-sm) var(--radius-sm) 0 0;cursor:pointer;font:inherit;font-size:14px}.session__tab.is-active{color:var(--color-text);background:var(--color-surface-2);border-color:var(--color-border-strong)}.session__tabpanel{display:flex;min-height:0;padding:0 var(--space-2) var(--space-2)}.session__tabpanel>*{flex:1;min-height:0}.turn-stream{height:100%;overflow-y:auto;padding:var(--space-3);box-sizing:border-box;position:relative}.turn-stream__empty{color:var(--color-text-quiet);font-size:13px;padding:var(--space-4);text-align:center}.turn{padding-bottom:var(--space-4)}.turn+.turn{padding-top:var(--space-4);border-top:1px solid var(--color-border)}.turn__user-message{background-color:var(--color-surface-2);border-radius:var(--radius-md);padding:var(--space-3) var(--space-3);margin-bottom:var(--space-3);font-size:14px;line-height:1.5;white-space:pre-wrap;color:var(--color-text)}.turn__text{white-space:pre-wrap;color:var(--color-text);font-size:14px;line-height:1.55}.turn__text p{margin:0 0 var(--space-2)}.turn__text p:last-child{margin-bottom:0}.turn__text pre{white-space:pre-wrap;word-break:break-word;margin:var(--space-2) 0;font-family:ui-monospace,JetBrains Mono,Menlo,monospace;font-size:12px;line-height:1.5}.turn__tool{margin:var(--space-3) 0}.turn__trailing-caret{height:1em;margin-top:var(--space-2)}.caret:after{content:"▍";display:inline-block;margin-left:2px;animation:caret-pulse 1.06s steps(2) infinite;color:var(--color-accent-bright)}@keyframes caret-pulse{50%{opacity:0}}.jump-to-latest{position:absolute;bottom:var(--space-4);right:var(--space-4);background:var(--color-surface-2);color:var(--color-text-dim);border:1px solid var(--color-border);padding:6px 12px;border-radius:16px;cursor:pointer;font-size:12px;z-index:5}.sql-block{background:var(--color-surface);border-radius:var(--radius-sm);padding:8px;margin:4px 0;overflow-x:auto}.sql-kw{color:var(--color-accent-bright);font-weight:700}.chat-input{display:flex;gap:var(--space-2);align-items:flex-end}.chat-input textarea{flex:1;background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:10px 12px;resize:none;font:inherit;font-size:14px;line-height:1.45;max-height:160px;overflow-y:auto}.chat-input textarea:focus{outline:none;border-color:var(--color-accent)}.chat-input button{padding:0 18px;height:40px;background:var(--color-accent-2);border:0;border-radius:var(--radius-md);color:#fff;cursor:pointer;font-weight:500;letter-spacing:.01em;transition:background .12s ease-out}.chat-input button:hover:not(:disabled){background:var(--color-accent)}.chat-input button:disabled{background:var(--color-border);cursor:not-allowed}.attach-strip{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-top:1px solid var(--color-border);background:var(--color-surface)}.attach-strip--empty{padding:var(--space-3)}.attach-strip__label{flex:0 0 auto;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--color-text-quiet);padding:0 var(--space-1);-webkit-user-select:none;user-select:none}.attach-strip__chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:var(--space-2);flex:1 1 auto;min-width:0}.attach-chip{position:relative;display:inline-flex;align-items:center;gap:var(--space-2);padding:4px 4px 4px 10px;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:border-color .15s ease-out,background .15s ease-out;min-width:0;max-width:100%}.attach-chip:hover{border-color:var(--color-border-strong);background:var(--color-surface-3)}.attach-chip__rail{position:absolute;top:0;left:0;bottom:0;width:2px;background:var(--color-border-strong)}.attach-chip--sample .attach-chip__rail{background:var(--color-sample-accent)}.attach-chip--user .attach-chip__rail{background:var(--color-accent-bright)}.attach-chip--postgres .attach-chip__rail{background:#4f8dcf}.attach-chip--mysql .attach-chip__rail{background:#f29111}.attach-chip__body{display:inline-flex;align-items:baseline;gap:var(--space-2);min-width:0}.attach-chip__title{font-size:12px;font-weight:500;color:var(--color-text);line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.attach-chip__alias{font-family:ui-monospace,JetBrains Mono,Menlo,Consolas,monospace;font-size:11px;color:var(--color-text-muted);line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}.attach-chip__detach{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:transparent;border:0;border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:16px;line-height:1;cursor:pointer;opacity:0;transition:opacity .12s ease-out,color .12s ease-out,background .12s ease-out}.attach-chip:hover .attach-chip__detach,.attach-chip:focus-within .attach-chip__detach{opacity:1}.attach-chip__detach:hover,.attach-chip__detach:focus-visible{color:var(--color-error);background:#f851491a;outline:none}.attach-strip__add{flex:0 0 auto;width:26px;height:26px;padding:0;background:transparent;color:var(--color-text-muted);border:1px dashed var(--color-border);border-radius:var(--radius-md);font-size:16px;line-height:1;cursor:pointer;transition:border-color .15s ease-out,color .15s ease-out,background .15s ease-out}.attach-strip__add:hover,.attach-strip__add:focus-visible{border-color:var(--color-accent);color:var(--color-accent);background:#58a6ff0f;outline:none}.attach-strip__empty-button{width:100%;display:flex;align-items:center;gap:var(--space-3);padding:10px 14px;background:transparent;color:var(--color-text-dim);border:1px dashed var(--color-border);border-radius:var(--radius-md);cursor:pointer;font:inherit;text-align:left;transition:border-color .15s ease-out,background .15s ease-out,color .15s ease-out}.attach-strip__empty-button:hover,.attach-strip__empty-button:focus-visible{border-color:var(--color-accent);color:var(--color-text);background:#58a6ff0a;outline:none}.attach-strip__plus{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:var(--radius-sm);background:var(--color-surface-2);color:var(--color-accent);font-size:16px;font-weight:500;line-height:1}.attach-strip__empty-label{font-size:13px;font-weight:500}.attach-strip__empty-hint{flex:1 1 auto;text-align:right;font-size:11px;color:var(--color-text-quiet);letter-spacing:.01em}.legacy-notice{display:flex;align-items:center;gap:var(--space-3);padding:10px 14px;margin:0 var(--space-3) var(--space-2);background:#f0883e0f;border:1px solid rgba(240,136,62,.25);border-left:2px solid var(--color-warning);border-radius:var(--radius-md);font-size:12px;color:var(--color-text-dim)}.legacy-notice p{margin:0;flex:1 1 auto;line-height:1.4}.legacy-notice a{color:var(--color-accent);text-decoration:none}.legacy-notice a:hover{text-decoration:underline}.legacy-notice button{flex:0 0 auto;padding:6px 12px;background:transparent;color:var(--color-text);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);font:inherit;font-size:12px;cursor:pointer;transition:border-color .12s ease-out,background .12s ease-out}.legacy-notice button:hover{border-color:var(--color-warning);background:#f0883e14}.signin-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:64px 16px;box-sizing:border-box}.confirm-dialog__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#01040999;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:2000;animation:confirm-backdrop-in .12s ease-out}.confirm-dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-5) var(--space-4);width:440px;max-width:92vw;z-index:2001;box-shadow:0 24px 60px #0000008c,0 0 0 1px #ffffff05;animation:confirm-dialog-in .18s cubic-bezier(.2,.8,.2,1)}.confirm-dialog__title{margin:0 0 var(--space-3);font-size:15px;font-weight:600;color:var(--color-text);letter-spacing:-.005em}.confirm-dialog__body{font-size:13px;color:var(--color-text-dim);line-height:1.5;margin-bottom:var(--space-4)}.confirm-dialog__body p{margin:0 0 var(--space-2)}.confirm-dialog__body p:last-child{margin-bottom:0}.confirm-dialog__body strong{color:var(--color-text);font-weight:600}.confirm-dialog__code{font-family:ui-monospace,JetBrains Mono,Menlo,Consolas,monospace;font-size:12px;padding:1px 5px;background:var(--color-surface-2);border-radius:var(--radius-sm);color:var(--color-text)}.confirm-dialog__actions{display:flex;justify-content:flex-end;gap:var(--space-2)}.confirm-dialog__button{padding:7px 16px;border-radius:var(--radius-md);font:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background .12s ease-out,border-color .12s ease-out,color .12s ease-out}.confirm-dialog__button--cancel{background:transparent;color:var(--color-text-dim);border:1px solid var(--color-border)}.confirm-dialog__button--cancel:hover{border-color:var(--color-border-strong);color:var(--color-text)}.confirm-dialog__button--confirm{background:var(--color-accent-2);color:#fff;border:1px solid var(--color-accent-2)}.confirm-dialog__button--confirm:hover{background:var(--color-accent);border-color:var(--color-accent)}.confirm-dialog__button--destructive{background:transparent;color:var(--color-error);border:1px solid rgba(248,81,73,.4)}.confirm-dialog__button--destructive:hover{background:#f851491a;border-color:var(--color-error)}.confirm-dialog__button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@keyframes confirm-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes confirm-dialog-in{0%{opacity:0;transform:translate(-50%,-50%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.tool-call{border:1px solid #30363d;border-radius:6px;padding:8px;margin-bottom:8px}.tool-call.running{border-color:#58a6ff;border-left:3px solid #58a6ff;box-shadow:0 0 8px #58a6ff4d;animation:pulse-border 1.5s ease-in-out infinite}.tool-call.failed{border-color:#f85149}.tool-call.completed .tool-duration{animation:completion-flash .35s ease-out}.tool-call pre{font-size:11px}@keyframes pulse-border{0%,to{border-left-color:#58a6ff}50%{border-left-color:#388bfd}}@keyframes completion-flash{0%{background-color:#1f6feb33}to{background-color:transparent}}.upload-dropzone{border:1px dashed #30363d;border-radius:6px;padding:12px;margin-bottom:12px}.upload-dropzone input{width:100%}.upload-progress{margin-top:8px;font-size:12px}.upload-name{color:#e6edf3;word-break:break-all}.upload-bar{position:relative;height:16px;background:#0d1117;border-radius:3px;margin-top:4px;overflow:hidden}.upload-bar-fill{background:#238636;height:100%;transition:width .15s}.upload-bar-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:10px;color:#e6edf3}.upload-error{color:#f85149;font-size:12px;margin-top:4px}.tool-card.execute-sql-card,.tool-card.explain-sql-card{border:1px solid #30363d;border-radius:4px;padding:8px;margin-bottom:8px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px}.tool-card .tool-card-header{display:flex;gap:8px;align-items:baseline;margin-bottom:4px}.tool-card .tool-name{font-weight:700}.tool-card .tool-duration{color:#7d8590;font-size:10px;margin-left:auto}.tool-card .sql-block{background:#161b22;padding:6px;overflow-x:auto;word-break:break-all;margin:4px 0}.tool-card .sql-kw{color:#79c0ff;font-weight:700}.tool-card .column-schema{border-collapse:collapse;margin-top:6px;font-size:11px}.tool-card .column-schema th,.tool-card .column-schema td{border:1px solid #30363d;padding:2px 6px;text-align:left}.tool-card .tool-error{color:#f85149;padding:4px}.tool-card .explain-plan{background:#161b22;padding:6px;white-space:pre-wrap;max-height:300px;overflow-y:auto;margin-top:4px}.tool-card .dev-row{margin-top:8px;border-top:1px dashed #30363d;padding-top:6px}.tool-card .dev-row button{font-size:10px;color:#f0883e;background:none;border:1px solid #f0883e;padding:2px 6px;cursor:pointer}.tool-card .raw-rows{font-size:10px;max-height:200px;overflow:auto;background:#161b22;padding:4px;margin-top:4px}.tool-card.describe-table-card{border:1px solid #30363d;border-radius:4px;padding:8px;margin-bottom:8px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px}.tool-card .tool-arg{color:#79c0ff;font-weight:400}.describe-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:12px;margin-top:6px}.describe-table th,.describe-table td{padding:4px 8px;border-bottom:1px solid #30363d;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.describe-table th{color:#7d8590;font-weight:400;font-size:11px}.describe-table .col-name{width:40%}.describe-table .col-type{width:45%;color:#79c0ff}.describe-table .col-null{width:15%;color:#8b949e}.thinking-drawer-toggle{background:transparent;color:#8b949e;border:none;padding:4px 0;cursor:pointer;font-size:12px;font-family:inherit}.thinking-drawer-toggle:hover{color:#c9d1d9}.thinking-drawer.expanded{border-left:2px solid #30363d;padding-left:12px;margin:4px 0}.thinking-drawer-body{color:#8b949e;font-size:13px;padding:4px 0 8px}.viz-panel{display:flex;flex-direction:column;gap:var(--space-4)}.viz-panel--empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);min-height:240px;color:var(--color-text-quiet)}.viz-panel__empty-icon{font-size:32px;opacity:.5}.viz-panel__empty-title{font-size:15px;color:var(--color-text-dim)}.viz-panel__empty-sub{font-size:13px;color:var(--color-text-quiet);max-width:320px;text-align:center}.viz-figure{margin:0;padding:var(--space-3);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md)}.viz-figure__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-2);font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-quiet)}.viz-figure__type{font-weight:600;color:var(--color-text-dim)}.viz-figure__index{font-family:ui-monospace,JetBrains Mono,Menlo,monospace;color:var(--color-text-quiet)}.landing-page{max-width:960px;margin:0 auto;padding:64px 24px 96px;box-sizing:border-box}.landing-header{text-align:center;margin-bottom:32px}.landing-header h1{font-size:32px;margin:0 0 8px;letter-spacing:-.01em}.landing-header p{color:#8b949e;margin:0}.landing-error{background:#161b22;border:1px solid #f85149;color:#f85149;padding:8px 12px;border-radius:6px;margin:0 0 16px;font-size:13px}.dataset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media (max-width: 700px){.dataset-grid{grid-template-columns:1fr}}.dataset-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-2);position:relative}.dataset-card h3{margin:var(--space-2) 0 0;font-size:16px}.dataset-card-icon{color:var(--color-accent-bright)}.dataset-card--sample{border-color:var(--color-sample-accent);border-top-width:2px}.dataset-card--sample .dataset-card-icon{color:var(--color-sample-accent)}.sample-card__badge{position:absolute;top:var(--space-2);right:var(--space-2);font-size:10px;font-weight:600;letter-spacing:.08em;color:var(--color-sample-accent);background:#7a6bd91f;border:1px solid var(--color-sample-accent);border-radius:var(--radius-sm);padding:2px 6px;text-transform:uppercase}.dataset-card-prompts{list-style:none;padding:0;margin:var(--space-2) 0 0}.dataset-card-prompts li{margin:var(--space-1) 0}.dataset-card-prompts button{background:transparent;color:var(--color-text-dim);border:1px solid var(--color-border);padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;font:inherit;font-size:13px;width:100%;text-align:left}.dataset-card-prompts button:hover{background:var(--color-surface-2);border-color:var(--color-border-strong)}.section-heading{font-size:11px;text-transform:uppercase;color:var(--color-text-quiet);letter-spacing:.03em;margin:0 0 var(--space-3);font-weight:600}.sample-datasets{margin-bottom:var(--space-5)}.your-data{margin-top:var(--space-5)}.your-data__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}@media (max-width: 700px){.your-data__grid{grid-template-columns:1fr}}.your-data-card{text-align:left}.your-data-card__title{font-size:15px;font-weight:600;color:var(--color-text)}.your-data-card__filename{font-size:12px;color:var(--color-text-muted);word-break:break-all}.your-data-card__meta{font-size:11px;color:var(--color-text-quiet)}.your-data-card__main{background:transparent;border:0;padding:0;color:inherit;font:inherit;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:var(--space-1)}.dataset-card__delete{position:absolute;top:var(--space-2);right:var(--space-2);background:transparent;border:0;color:var(--color-text-quiet);cursor:pointer;font-size:18px;line-height:1;padding:2px 6px;border-radius:var(--radius-sm)}.dataset-card__delete:hover{color:var(--color-error);background:var(--color-surface-2)}.upload-card{background:var(--color-surface);border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-2);color:var(--color-text-muted)}.upload-card--empty-state{grid-column:1 / -1;align-items:center;text-align:center;padding:var(--space-5)}.upload-card__label{font-size:13px;color:var(--color-text-muted)}.upload-card--empty-state .upload-card__label{font-size:15px;color:var(--color-text-dim)}.upload-card .upload-dropzone{margin:0;background:transparent;border:0;padding:0}.email-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.email-modal{background:#161b22;border:1px solid #30363d;border-radius:8px;padding:24px;width:400px;max-width:90vw}.email-modal h3{margin:0 0 12px;font-size:16px}.email-modal input{width:100%;box-sizing:border-box;padding:8px;background:#0d1117;color:#e6edf3;border:1px solid #30363d;border-radius:4px;font:inherit}.email-modal-error{color:#f85149;font-size:12px;margin-top:8px}.email-modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}.email-modal-actions button{background:#1f2428;color:#c9d1d9;border:1px solid #30363d;border-radius:4px;padding:6px 12px;cursor:pointer;font:inherit;font-size:13px}.email-modal-actions button[type=submit]{background:#238636;color:#fff;border-color:#238636}.email-modal-actions button[type=submit]:disabled{background:#30363d;border-color:#30363d;cursor:not-allowed}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;border-bottom:1px solid #30363d;background:#0d1117;height:var(--header-height);box-sizing:border-box}.app-header__brand a{color:inherit;text-decoration:none;font-weight:600;font-size:18px}.app-header__right{display:flex;align-items:center;gap:12px}.app-header__auth-placeholder{width:100px;height:32px}.app-header__user-menu{display:flex;align-items:center;gap:8px}.app-header__display-name{color:#8b949e;font-size:14px}.app-header__signin-link{color:#58a6ff;text-decoration:none}.landing-page-layout{display:flex;flex-direction:column;min-height:100vh}.landing-page-body{display:flex;flex:1}.landing-page-main{flex:1;padding:24px}.sidebar{display:flex;flex-direction:column;width:280px;border-right:1px solid #30363d;padding:12px;gap:8px;background:#161b22;box-sizing:border-box}.sidebar__header{display:flex;gap:8px}.sidebar__new-chat{flex:1;padding:8px;background:#1f6feb;color:#fff;border:none;border-radius:4px;cursor:pointer;font-weight:500}.sidebar__refresh{width:32px;background:transparent;color:#8b949e;border:1px solid #30363d;border-radius:4px;cursor:pointer}.sidebar__list{list-style:none;margin:0;padding:0;flex:1;overflow-y:auto}.sidebar__error{color:#f85149;font-size:12px;padding:4px}.sidebar-row{display:flex;align-items:center;gap:4px;padding:4px 0}.sidebar-row--active{background:#1f2428}.sidebar-row__link{flex:1;color:inherit;text-decoration:none;display:block;padding:6px 8px;border-radius:4px}.sidebar-row__link:hover{background:#1f2428}.sidebar-row__title{display:block;font-size:14px}.sidebar-row__time{display:block;font-size:11px;color:#8b949e}.sidebar-row__actions{display:none;gap:4px}.sidebar-row:hover .sidebar-row__actions{display:flex}.sidebar-row__pencil,.sidebar-row__trash{background:transparent;border:none;color:#8b949e;cursor:pointer;padding:4px}.sidebar-row__rename-input{flex:1;font-size:14px;padding:6px 8px;background:#0d1117;color:#c9d1d9;border:1px solid #30363d;border-radius:4px}.undo-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#21262d;color:#c9d1d9;padding:12px 20px;border-radius:6px;display:flex;align-items:center;gap:16px;border:1px solid #30363d;z-index:1000}.undo-toast__action{background:transparent;color:#58a6ff;border:none;cursor:pointer;font-weight:600}.app-header__hamburger{display:none;background:transparent;color:#c9d1d9;border:none;font-size:20px;cursor:pointer;padding:4px 8px}@media (max-width: 768px){.app-header__hamburger{display:inline-block}.sidebar{display:none;position:fixed;top:56px;left:0;bottom:0;z-index:900}.sidebar--open{display:flex}}.claim-banner{padding:16px 24px;color:var(--color-text-dim)}.claim-banner--error{color:var(--color-error)}.claim-banner a{color:var(--color-accent)}.attach-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-5);width:640px;max-width:92vw;max-height:85vh;overflow-y:auto;z-index:1000;box-shadow:0 8px 40px #00000080}.attach-modal__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4)}.attach-modal__header h2{margin:0;font-size:18px}.attach-modal__header button{background:transparent;border:0;color:var(--color-text-quiet);cursor:pointer;font-size:22px;line-height:1;padding:4px 8px}.attach-modal__body{display:flex;flex-direction:column;gap:var(--space-5)}.attach-modal__section{display:flex;flex-direction:column}.attach-modal__empty{color:var(--color-text-quiet);font-size:13px;padding:var(--space-3)}.sample-datasets-section__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3)}@media (max-width: 560px){.sample-datasets-section__grid{grid-template-columns:1fr}}.sample-card{position:relative;background:var(--color-surface-2);border:1px solid var(--color-sample-accent);border-top-width:2px;border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);cursor:pointer;text-align:left;color:inherit;font:inherit;display:flex;flex-direction:column;gap:var(--space-1)}.sample-card:hover:not(:disabled){background:var(--color-surface-3)}.sample-card:disabled{opacity:.6;cursor:progress}.sample-card__title{font-size:14px;font-weight:600;color:var(--color-text);margin-top:var(--space-1)}.sample-card__meta{font-size:11px;color:var(--color-text-quiet)}.your-data-section__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3)}@media (max-width: 560px){.your-data-section__grid{grid-template-columns:1fr}}.your-data-card{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);cursor:pointer;text-align:left;color:inherit;font:inherit;display:flex;flex-direction:column;gap:var(--space-1)}.your-data-card:hover:not(:disabled){background:var(--color-surface-3);border-color:var(--color-border-strong)}.your-data-card:disabled{opacity:.6;cursor:progress}.databases-section{display:flex;flex-direction:column;gap:var(--space-3)}.databases-section__search{width:100%;padding:8px 10px;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit}.databases-section__search:focus{outline:none;border-color:var(--color-accent)}.databases-section__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3)}@media (max-width: 560px){.databases-section__grid{grid-template-columns:1fr}}.db-card{position:relative;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) + 4px);cursor:pointer;text-align:left;color:inherit;font:inherit;display:flex;flex-direction:column;gap:var(--space-1);overflow:hidden;transition:border-color .15s ease-out,background .15s ease-out}.db-card:hover:not(:disabled){background:var(--color-surface-3);border-color:var(--color-border-strong)}.db-card:disabled{opacity:.6;cursor:progress}.db-card__rail{position:absolute;top:0;left:0;bottom:0;width:2px;background:var(--color-border-strong)}.db-card--postgres .db-card__rail{background:#4f8dcf}.db-card--mysql .db-card__rail{background:#f29111}.db-card__title{font-size:14px;font-weight:600;color:var(--color-text)}.db-card__schema{font-family:ui-monospace,JetBrains Mono,Menlo,Consolas,monospace;font-size:12px;color:var(--color-text-dim)}.db-card__meta{font-size:11px;color:var(--color-text-quiet);text-transform:uppercase;letter-spacing:.04em}.settings{min-height:calc(100vh - var(--header-height));background:var(--color-bg)}.settings__body{max-width:1040px;margin:0 auto;padding:var(--space-5) var(--space-4);display:grid;grid-template-columns:200px 1fr;gap:var(--space-5)}.settings__nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:calc(var(--header-height) + var(--space-5));align-self:start}.settings__nav-heading{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-quiet);padding:0 var(--space-3) var(--space-2)}.settings__nav-item{display:block;padding:var(--space-2) var(--space-3);color:var(--color-text-dim);text-decoration:none;font-size:14px;border-radius:var(--radius-sm);border-left:2px solid transparent;margin-left:-2px;transition:color .12s ease,background .12s ease}.settings__nav-item:hover{background:var(--color-surface);color:var(--color-text)}.settings__nav-item.is-active{color:var(--color-accent-bright);border-left-color:var(--color-accent)}.settings__main{min-width:0}.settings__title{font-size:24px;font-weight:600;color:var(--color-text);margin:0 0 var(--space-1);letter-spacing:-.01em}.settings__description{color:var(--color-text-muted);font-size:14px;line-height:1.55;margin:0 0 var(--space-5);max-width:52em}.settings__toolbar{display:flex;gap:var(--space-2);margin-bottom:var(--space-4)}.settings__search{flex:1;padding:var(--space-2) var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);font:inherit;font-size:14px}.settings__search::placeholder{color:var(--color-text-quiet)}.settings__search:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #58a6ff2e}.settings__primary-btn{padding:var(--space-2) var(--space-4);background:var(--color-accent-2);color:#fff;border:1px solid transparent;border-radius:var(--radius-md);font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .12s ease}.settings__primary-btn:hover{background:var(--color-accent)}.settings__primary-btn:focus-visible{outline:none;box-shadow:0 0 0 3px #58a6ff4d}.settings__error{background:#f851491a;border:1px solid rgba(248,81,73,.35);color:#ff8a82;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);margin-bottom:var(--space-4);font-size:13px}.settings__loading{color:var(--color-text-muted);font-size:14px;padding:var(--space-4) 0}.ds-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-3)}.ds-card{position:relative;background:var(--color-surface);border:1px solid var(--color-border);border-left:3px solid var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-4);transition:border-color .12s ease,background .12s ease}.ds-card:hover{border-color:var(--color-border-strong);background:var(--color-surface-2)}.ds-card--postgres{border-left-color:#5b8cb8}.ds-card--mysql{border-left-color:#3aa8c0}.ds-card__header{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2)}.ds-card__name{flex:1;min-width:0;font-weight:600;font-size:15px;color:var(--color-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ds-card__status{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--color-text-muted);padding:3px 8px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:999px;white-space:nowrap}.ds-card__status-dot{width:7px;height:7px;border-radius:50%;background:var(--color-text-quiet)}.ds-card__status--ok{color:#7ee2a8}.ds-card__status--ok .ds-card__status-dot{background:var(--color-success-bright)}.ds-card__status--bad{color:#ff8a82}.ds-card__status--bad .ds-card__status-dot{background:var(--color-error)}.ds-card__meta{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12px;color:var(--color-text-muted);margin-bottom:var(--space-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ds-card__warning{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--color-warning);background:#f0883e1a;border:1px solid rgba(240,136,62,.35);padding:3px 8px;border-radius:var(--radius-sm);margin-bottom:var(--space-3)}.ds-card__actions{display:flex;gap:var(--space-2)}.ds-card__btn{flex:1;padding:6px 10px;background:var(--color-surface-2);color:var(--color-text-dim);border:1px solid var(--color-border);border-radius:var(--radius-sm);font:inherit;font-size:13px;cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease}.ds-card__btn:hover{background:var(--color-surface-3);color:var(--color-text);border-color:var(--color-border-strong)}.ds-card__btn--danger:hover{background:#f851491a;color:#ff8a82;border-color:#f8514966}.ds-card__btn--danger-confirm{background:#f8514926;color:#ff8a82;border-color:#f8514973}.ds-card__btn--danger-confirm:hover{background:#f8514938}.ds-empty{border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);padding:var(--space-5);text-align:center;background:radial-gradient(ellipse at top,rgba(88,166,255,.05),transparent 60%),var(--color-surface);position:relative;overflow:hidden}.ds-empty__ghost{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12px;color:var(--color-text-quiet);opacity:.55;letter-spacing:.02em;-webkit-user-select:none;user-select:none;margin:0 auto var(--space-4);max-width:30em;text-align:left;padding:var(--space-3) var(--space-4);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm)}.ds-empty__ghost-line{display:block;padding:1px 0}.ds-empty__title{font-size:16px;font-weight:600;color:var(--color-text);margin:0 0 var(--space-1)}.ds-empty__hint{color:var(--color-text-muted);font-size:14px;line-height:1.5;margin:0 auto var(--space-4);max-width:32em}@media (max-width: 720px){.settings__body{grid-template-columns:1fr;gap:var(--space-3);padding:var(--space-4) var(--space-3)}.settings__nav{position:static;flex-direction:row;overflow-x:auto;border-bottom:1px solid var(--color-border);padding-bottom:var(--space-2)}.settings__nav-heading{display:none}.settings__nav-item{border-left:none;border-bottom:2px solid transparent;padding:var(--space-2) var(--space-3);margin-left:0;white-space:nowrap}.settings__nav-item.is-active{border-bottom-color:var(--color-accent);border-left-color:transparent}}.ds-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#010409b8;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:grid;place-items:center;z-index:1000;animation:ds-modal-fade .14s ease-out}@keyframes ds-modal-fade{0%{opacity:0}to{opacity:1}}.ds-modal__panel{background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:0 16px 48px #0009;width:min(560px,calc(100vw - 2 * var(--space-3)));max-height:min(720px,calc(100vh - 2 * var(--space-4)));overflow:hidden;display:grid;grid-template-rows:auto 1fr;animation:ds-modal-lift .16s cubic-bezier(.2,.8,.25,1)}@keyframes ds-modal-lift{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}.ds-modal__header{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);background:var(--color-surface-2)}.ds-modal__back,.ds-modal__close{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;background:transparent;border:none;color:var(--color-text-dim);cursor:pointer;border-radius:var(--radius-sm);font-size:16px;line-height:1;transition:background .12s ease,color .12s ease}.ds-modal__back:hover,.ds-modal__close:hover{background:var(--color-surface-3);color:var(--color-text)}.ds-modal__title{flex:1;margin:0;font-size:15px;font-weight:600;color:var(--color-text);letter-spacing:-.005em}.ds-modal__body{padding:var(--space-4);overflow-y:auto}.ds-picker{display:grid;gap:var(--space-2)}.ds-picker__option{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);color:inherit;text-align:left;cursor:pointer;font:inherit;transition:background .12s ease,border-color .12s ease,transform .12s ease}.ds-picker__option:hover{background:var(--color-surface-3);border-color:var(--color-border-strong);transform:translate(2px)}.ds-picker__option:focus-visible{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #58a6ff2e}.ds-picker__label{font-weight:600;font-size:14px;color:var(--color-text)}.ds-picker__hint{font-size:12px;color:var(--color-text-muted);margin-top:1px}.ds-picker__chev{color:var(--color-text-quiet);font-size:18px;line-height:1}.ds-form{display:grid;gap:var(--space-3)}.ds-field{display:grid;gap:4px}.ds-field__label{font-size:12px;font-weight:500;color:var(--color-text-dim);letter-spacing:.01em}.ds-field__required{color:var(--color-accent);margin-left:2px}.ds-field__input,.ds-field__textarea{width:100%;padding:var(--space-2) var(--space-3);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font:inherit;font-size:14px;box-sizing:border-box;transition:border-color .12s ease,box-shadow .12s ease}.ds-field__input::placeholder,.ds-field__textarea::placeholder{color:var(--color-text-quiet)}.ds-field__input:focus,.ds-field__textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #58a6ff2e}.ds-field__textarea{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13px;resize:vertical;min-height:5em}.ds-form__row{display:grid;grid-template-columns:1fr 120px;gap:var(--space-3)}.ds-form__toggle{display:inline-flex;align-items:center;gap:6px;padding:4px 0;font-size:12px;color:var(--color-text-muted);cursor:pointer;-webkit-user-select:none;user-select:none}.ds-form__toggle input[type=checkbox]{accent-color:var(--color-accent)}.ds-form__actions{display:flex;justify-content:flex-end;gap:var(--space-2);padding-top:var(--space-3);margin-top:var(--space-1);border-top:1px solid var(--color-border)}.ds-form__submit{padding:var(--space-2) var(--space-4);background:var(--color-accent-2);color:#fff;border:1px solid transparent;border-radius:var(--radius-md);font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .12s ease}.ds-form__submit:hover:not(:disabled){background:var(--color-accent)}.ds-form__submit:disabled{opacity:.55;cursor:progress}.ds-form__cancel{padding:var(--space-2) var(--space-4);background:var(--color-surface-2);color:var(--color-text-dim);border:1px solid var(--color-border);border-radius:var(--radius-md);font:inherit;font-size:14px;cursor:pointer;transition:background .12s ease,color .12s ease}.ds-form__cancel:hover{background:var(--color-surface-3);color:var(--color-text)}.ds-form__error{color:#ff8a82;background:#f851491a;border:1px solid rgba(248,81,73,.3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:13px}.ds-test{padding:var(--space-3);border-radius:var(--radius-md);border:1px solid transparent;font-size:13px;line-height:1.5;display:grid;gap:var(--space-2)}.ds-test--ok{background:#2ea04314;border-color:#2ea04359;color:#7ee2a8}.ds-test--ok strong{color:#aaf0c2}.ds-test--bad{background:#f851491a;border-color:#f8514959;color:#ff8a82}.ds-test--bad strong{color:#ffb4ae}.ds-test__meta{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12px;color:var(--color-text-muted)}.ds-test__warning{background:#f0883e1a;border:1px solid rgba(240,136,62,.35);color:var(--color-warning);padding:6px 10px;border-radius:var(--radius-sm);font-size:12px}.landing-header__cta{display:inline-flex;align-items:center;gap:6px;margin-top:var(--space-3);padding:8px 14px;background:var(--color-surface-2);color:var(--color-text);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);font:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background .12s ease,border-color .12s ease}.landing-header__cta:hover{background:var(--color-surface-3);border-color:var(--color-accent)}.landing-header__cta:focus-visible{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #58a6ff33}.landing-header__cta-plus{color:var(--color-accent-bright);font-weight:600}.add-data-modal__panel{width:min(620px,calc(100vw - 2 * var(--space-3)));max-height:min(82vh,840px)}.add-data-modal__section{padding:var(--space-1) 0}.add-data-modal__section-heading{margin:0 0 var(--space-1);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-quiet)}.add-data-modal__section-hint{margin:0 0 var(--space-3);color:var(--color-text-muted);font-size:13px;line-height:1.5}.add-data-modal__upload{background:var(--color-bg);border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-4);transition:border-color .12s ease,background .12s ease}.add-data-modal__upload:hover{border-color:var(--color-accent);background:var(--color-surface-2)}.add-data-modal__divider{height:1px;background:var(--color-border);margin:var(--space-4) 0}.add-data-modal__anon{text-align:center;padding:var(--space-4) 0}.add-data-modal__anon-ghost{display:inline-flex;gap:var(--space-2);font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12px;color:var(--color-text-quiet);opacity:.6;margin-bottom:var(--space-3);-webkit-user-select:none;user-select:none;letter-spacing:.02em}.add-data-modal__anon-title{margin:0 0 var(--space-1);color:var(--color-text);font-size:16px;font-weight:600}.add-data-modal__anon-hint{margin:0 auto var(--space-4);color:var(--color-text-muted);font-size:13px;line-height:1.55;max-width:32em}.add-data-modal__anon-actions{display:flex;justify-content:center;gap:var(--space-2)}.add-data-modal__anon-actions .settings__primary-btn{display:inline-block;text-decoration:none}