/* ============================================================
   Aris AI Docs — Dashboard / Viewer
   ============================================================ */
html, body { height: 100%; }
body.app { overflow: hidden; }

.shell { display: grid; grid-template-columns: 240px 1fr; height: 100vh; }
.shell.collapsed { grid-template-columns: 72px 1fr; }

/* ---- Sidebar ---- */
.sidebar { background: var(--bg-elev); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 14px 12px; gap: 6px; }
.ws { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: var(--r-md); cursor: pointer; }
.ws:hover { background: var(--bg-hover); }
.ws .mark { width: 30px; height: 30px; border-radius: 9px; background: var(--brand-grad); display: grid; place-items: center; color: #fff; font-weight: 700; flex: none; }
.ws .meta { display: flex; flex-direction: column; line-height: 1.2; overflow: hidden; }
.ws .meta b { font-size: 14px; }
.ws .meta span { font-size: 12px; color: var(--text-muted); }
.shell.collapsed .ws .meta, .shell.collapsed .nav-label, .shell.collapsed .side-foot .um { display: none; }

.side-nav { display: flex; flex-direction: column; gap: 2px; margin-top: 10px; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 9px 10px; border-radius: var(--r-md); color: var(--text-muted); cursor: pointer; font-size: 14.5px; border: 1px solid transparent; position: relative; transition: background var(--t-fast), color var(--t-fast); }
.nav-item .ico { width: 20px; text-align: center; flex: none; font-size: 16px; }
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: var(--brand-grad-soft); color: var(--text); font-weight: 550; }
.nav-item.active::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px; border-radius: 2px; background: var(--brand-grad); }
.side-foot { margin-top: auto; }
.um { padding: 10px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-glass); font-size: 12px; }
.um .bar { height: 6px; border-radius: 3px; background: var(--bg-hover); margin: 8px 0; overflow: hidden; }
.um .bar i { display: block; height: 100%; width: 62%; background: var(--brand-grad); border-radius: 3px; }
.collapse-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 8px; border-radius: var(--r-md); border: 1px solid var(--border); background: var(--bg-glass); color: var(--text-muted); cursor: pointer; font: inherit; font-size: 13px; margin-top: 8px; }
.collapse-btn:hover { background: var(--bg-hover); }

/* ---- Main column ---- */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { height: 56px; flex: none; display: flex; align-items: center; gap: 14px; padding: 0 20px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: blur(16px); }
.crumb { font-size: 14px; color: var(--text-muted); }
.crumb b { color: var(--text); font-weight: 550; }
.searchk { margin-left: auto; display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px; border-radius: var(--r-md); border: 1px solid var(--border); background: var(--bg-glass); color: var(--text-muted); font-size: 13px; cursor: pointer; min-width: 200px; }
.searchk kbd { margin-left: auto; font-family: var(--mono); font-size: 11px; padding: 2px 6px; border-radius: 5px; background: var(--bg-hover); border: 1px solid var(--border); }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--brand-grad); display: grid; place-items: center; color: #fff; font-size: 13px; font-weight: 600; cursor: pointer; }

.content { flex: 1; overflow-y: auto; padding: 28px; }
.view { display: none; }
.view.active { display: block; animation: fadein .25s var(--ease-out); }

/* ---- Documents home ---- */
.docs-head { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.docs-head .h2 { margin: 0; }
.docs-tools { margin-left: auto; display: flex; gap: 8px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--text-muted); padding: 8px 12px; cursor: pointer; font: inherit; }
.seg button.active { background: var(--bg-hover); color: var(--text); }

.folders { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.folder { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-glass); cursor: pointer; font-size: 14px; transition: all var(--t-fast); }
.folder:hover { background: var(--bg-hover); border-color: var(--border-strong); transform: translateY(-1px); }
.folder .fi { font-size: 18px; }
.folder.new { border-style: dashed; color: var(--text-muted); }

.subhead { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin: 0 0 14px; }
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
.doc-card { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--bg-elev); cursor: pointer; transition: transform var(--t-base) var(--ease-out), border-color var(--t-base), box-shadow var(--t-base); }
.doc-card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.doc-thumb { height: 130px; background: linear-gradient(160deg, var(--bg-elev-2), var(--bg-elev)); position: relative; display: grid; place-items: center; border-bottom: 1px solid var(--border); }
.doc-thumb .glyph { font-size: 40px; opacity: .5; }
.doc-thumb .type { position: absolute; top: 10px; left: 10px; }
.doc-thumb .status { position: absolute; top: 12px; right: 12px; width: 8px; height: 8px; border-radius: 50%; }
.status.indexed { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status.processing { background: var(--warning); box-shadow: 0 0 8px var(--warning); animation: pulse-dot 1.2s infinite; }
.status.new { background: var(--text-faint); }
@keyframes pulse-dot { 50% { opacity: .35; } }
.doc-info { padding: 12px 14px; }
.doc-info .name { font-size: 14px; font-weight: 550; margin: 0 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-info .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.doc-info .tags .badge { font-size: 10px; }
.upload-card { border: 1.5px dashed var(--border-strong); border-radius: var(--r-lg); display: grid; place-items: center; min-height: 174px; cursor: pointer; color: var(--text-muted); text-align: center; gap: 6px; transition: all var(--t-fast); }
.upload-card:hover { background: var(--brand-grad-soft); border-color: var(--brand-1); color: var(--text); }
.upload-card .big { font-size: 28px; }

/* ---- Document viewer (3-col) ---- */
.viewer { display: grid; grid-template-columns: 260px 1fr 380px; height: 100%; min-height: 0; }
.viewer.no-ai { grid-template-columns: 260px 1fr 0; }
.vcol { min-height: 0; overflow-y: auto; }
.v-left { border-right: 1px solid var(--border); padding: 16px; background: var(--bg-elev); }
.v-center { background: var(--bg); padding: 24px; display: flex; flex-direction: column; align-items: center; }
.v-right { border-left: 1px solid var(--border); background: var(--bg-elev); display: flex; flex-direction: column; transition: transform var(--t-panel) var(--ease-out); }

.v-back { display: inline-flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 13px; cursor: pointer; margin-bottom: 16px; }
.v-back:hover { color: var(--text); }
.toc-h { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin: 18px 0 8px; }
.toc { list-style: none; margin: 0; padding: 0; }
.toc li { padding: 7px 10px; border-radius: var(--r-sm); font-size: 13.5px; color: var(--text-muted); cursor: pointer; }
.toc li:hover { background: var(--bg-hover); color: var(--text); }
.toc li.active { background: var(--brand-grad-soft); color: var(--text); }
.toc li.sub { padding-left: 22px; font-size: 13px; }
.bm { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: var(--r-sm); font-size: 13px; color: var(--text-muted); cursor: pointer; }
.bm:hover { background: var(--bg-hover); color: var(--text); }
.bm .star { color: var(--warning); }
.bm .pg { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--text-faint); }

/* page render */
.page-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; color: var(--text-muted); font-size: 13px; }
.page-toolbar .btn.sm { height: 30px; }
.pdf-page { width: 100%; max-width: 620px; background: #fff; color: #14181f; border-radius: var(--r-md); box-shadow: var(--shadow-lg); padding: 44px 48px; line-height: 1.85; font-size: 14.5px; }
:root[data-theme="light"] .pdf-page { border: 1px solid var(--border); }
.pdf-page h2 { font-size: 17px; margin: 0 0 18px; }
.pdf-page p { margin: 0 0 14px; }
.pdf-page .clause { color: #5b6472; }
.pdf-page mark { background: rgba(245,158,11,.0); border-radius: 4px; padding: 1px 3px; transition: background .6s; }
.pdf-page mark.pulse { background: rgba(245,158,11,.42); }

/* AI panel */
.ai-head { padding: 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; flex: none; }
.ai-head .ctx { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.ai-head .ctx b { color: var(--text); }
.qactions { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--border); flex: none; }
.qa { padding: 7px 12px; border-radius: var(--r-pill); border: 1px solid var(--border); background: var(--bg-glass); color: var(--text-muted); font: inherit; font-size: 13px; cursor: pointer; transition: all var(--t-fast); }
.qa:hover { background: var(--bg-hover); color: var(--text); border-color: var(--border-strong); }
.ai-thread { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.ai-msg { padding: 11px 13px; border-radius: var(--r-md); font-size: 14px; line-height: 1.55; max-width: 92%; }
.ai-msg.user { align-self: flex-end; background: var(--brand-grad-soft); border: 1px solid rgba(109,92,255,.3); }
.ai-msg.bot { align-self: flex-start; background: var(--bg-elev-2); border: 1px solid var(--border); }
.ai-msg .cite { cursor: pointer; }
.ai-msg .tools { display: flex; gap: 10px; margin-top: 8px; font-size: 12px; color: var(--text-faint); }
.ai-msg .tools span { cursor: pointer; } .ai-msg .tools span:hover { color: var(--text); }
.struct-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 13px; }
.struct-table th, .struct-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.struct-table th { color: var(--text-muted); font-weight: 550; }
.risk { display: flex; align-items: flex-start; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.risk .sev { flex: none; }
.ai-input { flex: none; padding: 14px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; align-items: flex-end; }
.ai-input .textarea { min-height: 44px; max-height: 120px; }
.thinking { display: inline-flex; gap: 4px; }
.thinking i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); animation: think 1s infinite; }
.thinking i:nth-child(2) { animation-delay: .15s; } .thinking i:nth-child(3) { animation-delay: .3s; }
@keyframes think { 0%,100% { opacity: .3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }

@media (max-width: 1100px) { .viewer { grid-template-columns: 1fr; } .v-left, .v-right { display: none; } }

/* ---- Settings ---- */
.settings-wrap { max-width: 820px; margin: 0 auto; }
.set-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px 24px; margin-bottom: 18px; }
.set-card h3 { margin: 0 0 4px; font-size: 16px; }
.set-h { display: flex; align-items: center; gap: 12px; justify-content: space-between; flex-wrap: wrap; }
.set-hint { font-size: 13px; margin: 6px 0 18px; }
.set-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .set-row2 { grid-template-columns: 1fr; } }
.set-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-faint); margin-bottom: 8px; }

.provider-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 22px; }
@media (max-width: 620px) { .provider-grid { grid-template-columns: 1fr; } }
.provider-card { text-align: left; display: flex; flex-direction: column; gap: 8px; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-glass); cursor: pointer; font: inherit; transition: all var(--t-fast); }
.provider-card:hover { border-color: var(--border-strong); background: var(--bg-hover); }
.provider-card.active { border-color: transparent; box-shadow: 0 0 0 1px var(--brand-1); background: var(--brand-grad-soft); }
.pc-top { display: flex; align-items: center; justify-content: space-between; }
.pc-name { font-weight: 600; font-size: 14px; color: var(--text); }
.pc-desc { font-size: 12.5px; color: var(--text-muted); }
.pc-radio { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border-strong); flex: none; transition: all var(--t-fast); }
.provider-card.active .pc-radio { border-color: var(--brand-1); background: radial-gradient(circle at center, var(--brand-1) 0 5px, transparent 6px); }

.mini-toggle { display: inline-flex; gap: 4px; padding: 4px; border-radius: var(--r-pill); border: 1px solid var(--border); background: var(--bg-glass); }
.mini-toggle button { border: 0; background: transparent; color: var(--text-muted); padding: 7px 16px; border-radius: var(--r-pill); cursor: pointer; font: inherit; font-size: 13px; transition: all var(--t-fast); }
.mini-toggle button.active { background: var(--brand-grad); color: #fff; }

.conn-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); vertical-align: middle; }
.conn-dot.ok { background: var(--success); box-shadow: 0 0 8px var(--success); }

/* ---- Command palette ---- */
.cmdk-wrap { position: fixed; inset: 0; z-index: var(--z-command); display: none; align-items: flex-start; justify-content: center; padding-top: 14vh; background: rgba(0,0,0,.5); backdrop-filter: blur(4px); }
.cmdk-wrap.open { display: flex; animation: fadein .15s; }
.cmdk { width: 100%; max-width: 560px; background: var(--bg-elev); border: 1px solid var(--border-strong); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.cmdk input { width: 100%; height: 52px; border: 0; background: transparent; color: var(--text); font: inherit; font-size: 16px; padding: 0 18px; border-bottom: 1px solid var(--border); }
.cmdk input:focus { outline: none; }
.cmdk .results { max-height: 320px; overflow-y: auto; padding: 8px; }
.cmdk .res { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: var(--r-md); cursor: pointer; font-size: 14px; }
.cmdk .res:hover, .cmdk .res.sel { background: var(--bg-hover); }
.cmdk .res .ico { width: 20px; text-align: center; }
.cmdk .res .cite { margin-left: auto; }

/* ---- Toast ---- */
.toast-wrap { position: fixed; bottom: 24px; right: 24px; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 12px 16px; border-radius: var(--r-md); background: var(--bg-elev-2); border: 1px solid var(--border-strong); box-shadow: var(--shadow-md); font-size: 14px; display: flex; align-items: center; gap: 10px; animation: slideup .2s var(--ease-out); }
@keyframes slideup { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; } }