/* Porta workspace — local assets, no external fonts or UI dependencies. */
:root {
  color-scheme: light;
  --canvas: #fcfbf8;
  --sidebar: #f1f0eb;
  --surface: #fff;
  --ink: #282d29;
  --muted: #70766f;
  --line: #e2e4db;
  --accent: #3f604b;
  --accent-soft: #e6ecdf;
  --danger: #a33c36;
  --warning: #805a17;
  font: 14px/1.55 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--canvas);
  color: var(--ink);
}
* { box-sizing: border-box; }
[hidden]{display:none!important}
html, body { margin: 0; height: 100%; }
body { overflow: hidden; }
button, select, textarea, input { font: inherit; }
button, summary { cursor: pointer; }
button { transition: background .16s, border-color .16s, color .16s; }
button:disabled { opacity: .45; cursor: not-allowed; }
button:focus-visible, a:focus-visible, summary:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
button, select, textarea, input { color: inherit; }
.app-shell { display: grid; grid-template-columns: 252px minmax(0, 1fr); height:100dvh; overflow: hidden; }
.sidebar { display: flex; flex-direction: column; min-height: 0; padding: 30px 18px 20px; background: var(--sidebar); border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 9px; padding: 0 10px; color: var(--ink); text-decoration: none; font-size: 26px; font-weight: 650; letter-spacing: -1.2px; }
.brand-symbol { display: grid; place-items: center; width: 29px; height: 33px; border-radius: 10px 10px 10px 2px; background: var(--accent); color: #fff; font: italic 29px Georgia, serif; }
.brand-edition { margin-left: auto; font: 9px ui-monospace, monospace; letter-spacing: 1px; color: var(--muted); }
.node-context { display: grid; gap: 7px; margin: 34px 10px 22px; }
.node-context > span, .sidebar-label { font-size: 10px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); }
.node-context select { width: 100%; padding: 8px 10px; border: 1px solid #d7dcd0; border-radius: 7px; background: transparent; }
.new-session-button { display: flex; gap: 10px; align-items: center; width: 100%; padding: 11px 13px; border: 1px solid var(--accent); border-radius: 8px; color: #fff; background: var(--accent); font-weight: 550; }
.new-session-button:hover, .primary:hover { background: #304d3a; }
.button-arrow { margin-left: auto; opacity: .7; }
.sidebar-label { margin: 30px 12px 10px; }
.session-tabs { display: flex; flex-direction: column; gap: 4px; min-height: 0; flex: 1; overflow-y:auto; }
.session-tab { display: grid; gap: 4px; flex: none; width: 100%; padding: 12px; border: 1px solid transparent; border-radius: 8px; text-align: left; background: transparent; }
.session-tab:hover { background: #e8e9e1; }
.session-tab.active { background: #fff; border-color: var(--line); box-shadow: 0 2px 3px #27332204; }
.session-tab-title { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 13px; font-weight: 550; }
.session-tab-meta { font-size: 11px; color: var(--muted); }
.session-tab.active .session-tab-meta { color: var(--accent); }
.sidebar-footer { display: grid; gap: 5px; margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line); }
.text-action { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; border-radius: 7px; padding: 8px 12px; background: transparent; color: var(--muted); text-align: left; font-size: 12px; }
.text-action:hover { color: var(--ink); background: #e6e8df; }
.sidebar-caption { padding: 12px 12px 0; font-size: 10px; color: var(--muted); }
.workspace { display: grid; grid-template-rows:auto minmax(0,1fr) auto; min-width: 0; min-height: 0; overflow: hidden; outline: none; }
.session-header { padding: 25px 36px 18px; border-bottom: 1px solid var(--line); }
.session-heading { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.session-heading > div { min-width: 0; }
.kicker, .eyebrow { font-size: 10px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); font-weight: 550; }
.kicker span { padding: 0 9px; color: #a7aca0; }
.session-heading h1 { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin: 7px 0 2px; font-size: 18px; line-height: 1.5; font-weight: 600; letter-spacing: -.35px; }
.subtle { margin: 0; color: var(--muted); font-size: 12px; }
#session-subtitle { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; max-width: 65vw; }
.session-context { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.session-context label { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
.session-context-value { display: flex; align-items: center; gap: 7px; padding: 4px 9px; border: 1px solid var(--line); border-radius: 6px; font-size: 11px; color: var(--muted); }
.session-context-value strong { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); font-weight: 550; }
.session-context select { max-width: 225px; padding: 4px 7px; font-size: 11px; border: 1px solid var(--line); border-radius: 6px; background: transparent; }
.status-chip, .attention-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: 6px; background: #efefe9; color: var(--muted); font-size: 10px; font-weight: 550; }
.status-chip::before { content: ""; width: 5px; height: 5px; background: currentColor; border-radius: 50%; }
.status-chip.working, .status-chip.completed { color: var(--accent); background: var(--accent-soft); }
.status-chip.waiting, .attention-chip { color: var(--warning); background: #f9efdb; }
.status-chip.failed, .status-chip.cancelled { color: var(--danger); background: #faeae6; }
.session-menu { position: relative; flex: none; }
.session-menu summary { list-style: none; border-radius: 8px; width: 32px; height: 32px; text-align: center; font-size: 22px; color: var(--muted); }
.session-menu summary::-webkit-details-marker { display: none; }
.session-menu summary:hover { background: var(--sidebar); }
.menu-panel { position: absolute; right: 0; z-index: 5; display: grid; width: 160px; padding: 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: 0 8px 30px #28302612; }
.menu-panel button { background: transparent; border: 0; border-radius: 5px; padding: 9px; font-size: 12px; text-align: left; }
.menu-panel button:hover { background: var(--sidebar); }
.menu-panel .destructive { color: var(--danger); }
.activity { min-height: 0; overflow-y:auto; padding: 36px max(36px, calc((100% - 780px) / 2)); scrollbar-gutter: stable; }
.activity-entry { margin-bottom: 30px; overflow-wrap: anywhere; }
.activity-label { margin-bottom: 10px; color: var(--muted); font-size: 10px; letter-spacing: .7px; font-weight: 650; text-transform: uppercase; }
.activity-content { white-space: pre-wrap; line-height: 1.8; }
.activity-entry.user { width: fit-content; max-width: 88%; margin-left: auto; padding: 16px 20px; border: 1px solid var(--line); border-radius: 16px 16px 3px 16px; background: #f0f1e9; }
.activity-entry.user .activity-label { margin-bottom: 5px; }
.activity-entry.assistant .activity-label { display: flex; align-items: center; gap: 8px; color: var(--accent); }
.activity-entry.assistant .activity-label::before { content: "p"; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 6px 6px 6px 1px; background: var(--accent); color: #fff; font: italic 20px Georgia, serif; text-transform: none; }
.activity-entry.assistant.streaming .activity-content::after { content: "▍"; color: var(--accent); animation: porta-cursor 1s steps(1, end) infinite; }
@keyframes porta-cursor { 50% { opacity: 0; } }
.activity-entry.note { padding: 10px 15px; border-left: 2px solid var(--line); margin-bottom: 14px; font: 12px/1.6 ui-monospace, monospace; color: var(--muted); }
.activity-entry.note .activity-label { font: 10px/1.5 ui-sans-serif, sans-serif; margin-bottom: 2px; }
.activity-entry.error { color: var(--danger); border-color: #dcb4a8; }
.activity-empty { display: grid; place-items: center; min-height: 100%; text-align: center; color: var(--muted); }
.activity-empty strong { display: block; margin-top: 16px; color: var(--ink); font: 32px/1.2 Georgia, serif; letter-spacing: -.8px; font-weight: 400; }
.activity-empty p { max-width: 320px; margin: 13px auto; font-size: 13px; }
.composer { width: min(780px, calc(100% - 72px)); margin: 0 auto 25px; padding: 14px 16px 10px; border: 1px solid #d9ddd1; border-radius: 16px; background: var(--surface); box-shadow: 0 4px 24px #28302606; }
.composer:focus-within { border-color: #8f9e82; box-shadow: 0 0 0 3px #45643a09; }
.composer textarea { width: 100%; min-height: 44px; max-height: 160px; resize: none; border: 0; background: transparent; padding: 3px; outline: none; line-height: 1.6; }
.composer textarea::placeholder { color: #898e82; }
.composer-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.composer-footer .subtle { font-size: 10px; }
.primary, .secondary, .task-actions button, .approval-actions button { padding: 10px 16px; border: 1px solid var(--accent); border-radius: 8px; background: var(--accent); color: #fff; font-weight: 550; font-size: 12px; }
.secondary, .task-actions button, .approval-actions button { border-color: var(--line); color: var(--ink); background: var(--surface); }
.secondary:hover { background: var(--sidebar); }
.send-button { width: 34px; height: 34px; padding: 0; border-radius: 9px; font-size: 23px; }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 0; overflow-y: auto; padding: 45px 30px; text-align: center; }
.empty-state h1 { margin: 18px 0 20px; font: 64px/1.06 Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -2.6px; }
.empty-state .eyebrow { margin: 22px 0 0; color: var(--accent); }
.welcome-description { margin: 0 0 28px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.empty-state .primary { display: flex; gap: 30px; padding: 12px 20px; }
.welcome-art { position: relative; width: 90px; height: 75px; }
.welcome-art span { position: absolute; width: 48px; height: 64px; border: 1px solid #789075; border-radius: 28px 28px 5px 5px; background: #e7ecdf; transform: rotate(-24deg); left: 6px; top: 8px; }
.welcome-art span:nth-child(2) { transform: rotate(0deg); left: 24px; top: 0; background: #d9e2ce; }
.welcome-art span:nth-child(3) { transform: rotate(24deg); left: 40px; top: 8px; background: #bac9ac; }
.welcome-features { display: flex; gap: 30px; margin-top: 65px; padding-top: 22px; border-top: 1px solid var(--line); font: 10px ui-monospace, monospace; color: #929a89; }
.welcome-features strong { display: block; margin-top: 7px; font: 11px ui-sans-serif, sans-serif; color: var(--muted); }
.approval { padding: 20px; margin-bottom: 25px; border: 1px solid #e5d1a5; border-radius: 12px; background: #fffbf2; }
.approval h3 { margin: 0; color: var(--warning); font-size: 13px; }
.approval pre { max-height: 180px; overflow: auto; white-space: pre-wrap; font-size: 11px; }
.approval-actions, .task-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.approval-actions .approve { background: var(--accent); color: white; }
.task-actions { margin-top: 12px; }
.attention-button { padding: 9px; border: 1px solid #e5d1a5; border-radius: 7px; background: #fffbf2; color: var(--warning); }
.attention-popover { position: fixed; z-index: 10; left: 24px; bottom: 160px; width: min(340px, calc(100% - 48px)); padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: 0 12px 40px #28302618; }
.attention-item { width: 100%; border: 0; border-radius: 6px; background: transparent; padding: 12px; text-align: left; }
.attention-item:hover { background: var(--sidebar); }
.dialog { width: min(460px, calc(100% - 32px)); max-height: calc(100dvh - 40px); padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--canvas); color: var(--ink); box-shadow: 0 30px 100px #20282024; }
.dialog::backdrop { background: #28302655; backdrop-filter: blur(5px); }
.dialog-header { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 24px; }
.dialog h2 { margin: 6px 0 0; font: 30px/1.2 Georgia, serif; letter-spacing: -.5px; }
.close-button { width: 30px; height: 30px; border: 0; border-radius: 50%; background: var(--sidebar); color: var(--muted); font-size: 20px; }
.dialog label { display: grid; gap: 8px; margin: 18px 0; color: var(--muted); font-size: 12px; }
.dialog select, .dialog input, .dialog textarea { width: 100%; padding: 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.dialog-actions { display: flex; gap: 8px; justify-content: end; margin-top: 28px; }
.form-error { color: var(--danger); font-size: 12px; }
.settings-dialog { width: min(640px, calc(100% - 32px)); }
.settings-content > details { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 14px; }
.settings-content summary { font-weight: 550; font-size: 13px; }
.settings-list, .settings-form { display: grid; gap: 10px; margin: 14px 0; }
.provider-card { display: grid; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.provider-card a { width: fit-content; }
.provider-card code { width: fit-content; }
.settings-row { padding: 10px 0; color: var(--muted); font-size: 12px; border-bottom: 1px solid var(--line); }
.git-credential-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.git-credential-row strong { color: var(--ink); font-weight: 550; }
.git-credential-row .text-action { width: auto; flex: none; }
.settings-actions { display: flex; gap: 8px; margin-top: 8px; }
.system-info { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 220px; overflow: auto; font-size: 11px; }
#auth-gate { height: 100dvh; display: grid; place-items: center; }
.auth-card { max-width: 420px; padding: 40px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.auth-card h1 { font: 32px Georgia, serif; }
.hidden { display: none !important; }
@media(max-width:900px) {
  .app-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .sidebar { padding: 24px 12px 16px; }
  .brand-edition { display: none; }
  .session-header { padding: 22px; }
  .activity { padding: 25px 22px; }
  .composer { width: calc(100% - 44px); }
  .empty-state h1 { font-size: 52px; }
  .welcome-features { gap: 18px; }
}
@media(max-width:600px) {
  .app-shell { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  .sidebar { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 12px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { font-size: 22px; padding: 0; }
  .node-context { margin: 0; }
  .node-context > span, .sidebar-label, .sidebar-caption { display: none; }
  .node-context select { max-width: 150px; }
  .new-session-button { grid-column: 1; width: fit-content; padding: 7px 10px; font-size: 11px; }
  .session-tabs { grid-column: 1 / -1; grid-row: 3; flex-direction: row; overflow-x: auto; max-height: 65px; }
  .session-tab { width: 155px; padding: 7px 10px; }
  .sidebar-footer { grid-column: 2; grid-row: 2; display: flex; margin: 0; padding: 0; border: 0; }
  .text-action { font-size: 11px; padding: 7px; }
  .session-header { padding: 14px 18px; }
  .session-heading h1 { font-size: 16px; }
  #session-subtitle { max-width: 78vw; }
  .session-context { gap: 7px; margin-top: 10px; }
  .session-context label > span { display: none; }
  .session-context select { max-width: 150px; }
  .activity { padding: 22px 18px; }
  .composer { width: calc(100% - 24px); margin-bottom: max(12px, env(safe-area-inset-bottom)); padding: 12px; }
  .empty-state { padding: 25px 20px; }
  .empty-state h1 { font-size: 46px; }
  .welcome-features { margin-top: 30px; }
  .welcome-art { transform: scale(.8); }
}
@media(prefers-reduced-motion:reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }