/* Drydock console — refined, minimal UI. Light + dark via prefers-color-scheme.
   Aesthetic: lots of whitespace, near-monochrome with one accent, subtle borders,
   soft shadows, smooth micro-interactions, careful focus states. */

:root {
  --bg: #fbfbfa;
  --bg-elev: #ffffff;
  --bg-elev-2: #f4f4f3;
  --fg: #18181b;
  --fg-muted: #71717a;
  --fg-faint: #a1a1aa;
  --border: #eaeae8;
  --border-strong: #dcdcda;
  --primary-bg: #18181b;
  --primary-fg: #ffffff;
  --primary-bg-hover: #2a2a2e;
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.10);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.10);
  --ring: rgba(79, 70, 229, 0.35);

  --green: #16a34a;  --green-soft: rgba(22,163,74,.12);
  --amber: #b45309;  --amber-soft: rgba(180,83,9,.12);
  --violet: #7c3aed; --violet-soft: rgba(124,58,237,.12);
  --blue: #2563eb;   --blue-soft: rgba(37,99,235,.12);
  --gray-soft: rgba(113,113,122,.12);

  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(24, 24, 27, 0.04), 0 1px 3px rgba(24, 24, 27, 0.05);
  --shadow: 0 4px 16px -4px rgba(24, 24, 27, 0.10);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0b;
    --bg-elev: #141416;
    --bg-elev-2: #1c1c1f;
    --fg: #f4f4f5;
    --fg-muted: #a1a1aa;
    --fg-faint: #6b6b73;
    --border: #242427;
    --border-strong: #323237;
    --primary-bg: #fafafa;
    --primary-fg: #0a0a0b;
    --primary-bg-hover: #e4e4e7;
    --accent: #818cf8;
    --accent-soft: rgba(129, 140, 248, 0.14);
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.14);
    --ring: rgba(129, 140, 248, 0.40);
    --green:#4ade80; --green-soft:rgba(74,222,128,.14);
    --amber:#fbbf24; --amber-soft:rgba(251,191,36,.14);
    --violet:#a78bfa; --violet-soft:rgba(167,139,250,.14);
    --blue:#60a5fa; --blue-soft:rgba(96,165,250,.14);
    --gray-soft: rgba(161,161,170,.13);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow: 0 8px 30px -8px rgba(0,0,0,0.6);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.005em;
}

::selection { background: var(--accent-soft); }

a { color: var(--fg); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.05rem; color: var(--fg); margin: 0 0 .6rem; }
h3 { font-size: .95rem; }
p { margin: 0 0 .6rem; }

.mono, code { font-family: var(--mono); font-size: .86em; }
code { background: var(--bg-elev-2); padding: .12em .4em; border-radius: 5px; border: 1px solid var(--border); }
.muted { color: var(--fg-muted); }
.faint { color: var(--fg-faint); }

.mt-0 { margin-top: 0 !important; }
.mt-16 { margin-top: 1.75rem; }
.mb-0 { margin-bottom: 0 !important; }
.flex { display: flex; }
.gap-8 { gap: .5rem; }
.items-center { align-items: center; }

/* ---------- Layout ---------- */
.container { max-width: 920px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.container-auth { min-height: 100dvh; display: grid; place-items: center; padding: 1.5rem; }

.page-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem;
}

/* ---------- App shell (sidebar + top bar) ---------- */
.app-shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100dvh; }

.sidebar {
  position: sticky; top: 0; align-self: start; height: 100dvh; z-index: 30;
  display: flex; flex-direction: column; gap: .15rem;
  padding: 1rem .85rem; border-right: 1px solid var(--border); background: var(--bg-elev);
}
.sidebar-head { padding: .5rem .6rem 1rem; }
.brand { font-weight: 600; letter-spacing: -0.02em; font-size: 1.05rem; }
.brand:hover { color: var(--fg); opacity: .75; }
.side-nav { display: flex; flex-direction: column; gap: .15rem; }
.side-nav a {
  color: var(--fg-muted); font-size: .9rem; font-weight: 500;
  padding: .5rem .65rem; border-radius: var(--radius-sm);
  transition: color .15s var(--ease), background-color .15s var(--ease);
}
.side-nav a:hover { color: var(--fg); background: var(--bg-elev-2); }
.side-nav a.active { color: var(--fg); background: var(--bg-elev-2); font-weight: 600; }

.app-content { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  height: 56px; display: flex; align-items: center; gap: .9rem; padding: 0 1.5rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
}
.page-title { font-weight: 600; font-size: .95rem; letter-spacing: -0.01em; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: .7rem; }
.nav-username { color: var(--fg-muted); font-size: .85rem; }
.logout-form { margin: 0; }

.content { width: 100%; max-width: 1040px; margin: 0 auto; padding: 2rem 1.75rem 4rem; }

.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 18px; height: 1.5px; background: var(--fg); border-radius: 2px; }
.sidebar-backdrop { display: none; }

@media (max-width: 880px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; top: 0; left: 0; width: 248px;
    transform: translateX(-100%); transition: transform .2s var(--ease); box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .sidebar-backdrop.open { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 25; }
  .content { padding: 1.5rem 1.1rem 3rem; }
  .nav-username { display: none; }
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.4rem;
  box-shadow: var(--shadow-sm); margin-bottom: 1rem;
}
.card h3:first-child, .card h2:first-child { margin-top: 0; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1.1rem; }
.row .muted { font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: .15rem; }
.stack { display: flex; flex-direction: column; gap: .9rem; }

/* ---------- Auth ---------- */
.auth-card { width: 100%; max-width: 360px; margin: 0; padding: 1.75rem; box-shadow: var(--shadow); }
.auth-title { margin: 0 0 1.25rem; font-size: 1.3rem; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: .4rem; }
.field > span { font-size: .82rem; font-weight: 500; color: var(--fg-muted); }
input, textarea, select {
  width: 100%; font: inherit; color: var(--fg); background: var(--bg);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: .55rem .7rem;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
textarea { resize: vertical; min-height: 88px; line-height: 1.55; }
input::placeholder, textarea::placeholder { color: var(--fg-faint); }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .65rem center; padding-right: 2rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  font: inherit; font-weight: 500; font-size: .88rem; padding: .5rem .9rem;
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--bg-elev); color: var(--fg); cursor: pointer; white-space: nowrap;
  transition: background-color .15s var(--ease), border-color .15s var(--ease),
              color .15s var(--ease), box-shadow .15s var(--ease), transform .08s var(--ease);
}
.btn:hover { background: var(--bg-elev-2); }
.btn:active { transform: translateY(0.5px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ring); }
.btn-primary { background: var(--primary-bg); color: var(--primary-fg); border-color: var(--primary-bg); }
.btn-primary:hover { background: var(--primary-bg-hover); border-color: var(--primary-bg-hover); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--fg-muted); }
.btn-ghost:hover { background: var(--bg-elev-2); color: var(--fg); }
.btn-danger { color: var(--danger); border-color: var(--border-strong); background: var(--bg-elev); }
.btn-danger:hover { background: var(--danger-soft); border-color: var(--danger); }
.btn-sm { padding: .34rem .65rem; font-size: .82rem; }
.btn-block { width: 100%; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: -0.25rem -0.4rem; padding: 0 .4rem; }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th {
  text-align: left; font-weight: 500; font-size: .74rem; text-transform: uppercase;
  letter-spacing: .05em; color: var(--fg-faint); padding: .5rem .6rem; border-bottom: 1px solid var(--border);
}
table.data td { padding: .65rem .6rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background-color .12s var(--ease); }
table.data tbody tr:hover { background: var(--bg-elev-2); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; font-size: .72rem; font-weight: 500; line-height: 1;
  padding: .28em .55em; border-radius: 999px; background: var(--gray-soft); color: var(--fg-muted); border: 1px solid transparent;
}
.badge-open, .badge-blue { background: var(--blue-soft); color: var(--blue); }
.badge-in_progress, .badge-amber, .badge-medium, .badge-scaffolding { background: var(--amber-soft); color: var(--amber); }
.badge-needs_review, .badge-violet { background: var(--violet-soft); color: var(--violet); }
.badge-resolved, .badge-ready, .badge-online, .badge-green, .badge-active { background: var(--green-soft); color: var(--green); }
.badge-error, .badge-high, .badge-danger { background: var(--danger-soft); color: var(--danger); }

/* ---------- Alerts ---------- */
.alert { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .7rem .9rem; font-size: .88rem; margin-bottom: 1rem; display: flex; gap: .5rem; }
.alert-info { background: var(--blue-soft); border-color: transparent; color: var(--fg); }
.alert-success { background: var(--green-soft); border-color: transparent; color: var(--fg); }
.alert-error { background: var(--danger-soft); border-color: transparent; color: var(--fg); }

/* ---------- Markdown ---------- */
.markdown { font-size: .92rem; line-height: 1.65; }
.markdown :first-child { margin-top: 0; }
.markdown :last-child { margin-bottom: 0; }
.markdown h1, .markdown h2, .markdown h3 { margin: 1.1em 0 .5em; }
.markdown p { margin: 0 0 .7em; }
.markdown ul, .markdown ol { margin: 0 0 .7em; padding-left: 1.3em; }
.markdown li { margin: .2em 0; }
.markdown pre { background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .8rem 1rem; overflow-x: auto; font-size: .82rem; }
.markdown pre code { background: none; border: none; padding: 0; }
.markdown a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Image preview ---------- */
.img-preview { margin-top: .5rem; display: none; }
.img-preview img { max-width: 100%; max-height: 220px; border-radius: var(--radius-sm); border: 1px solid var(--border); }

ul { padding-left: 1.2rem; }
li { margin: .25rem 0; }

/* ---------- Realtime activity ---------- */
.working-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); vertical-align: middle;
  animation: working-pulse 1.3s var(--ease) infinite;
}
@keyframes working-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .3; transform: scale(.6); }
}

/* Top-bar "agent working" indicator */
.agent-status {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .8rem; color: var(--fg-muted);
  background: var(--bg-elev-2); border: 1px solid var(--border);
  padding: .25rem .6rem; border-radius: 999px;
  max-width: 280px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.agent-status:hover { color: var(--fg); border-color: var(--border-strong); }
.agent-status[hidden] { display: none; }
@media (max-width: 640px) { .agent-status { display: none; } }

/* Task-detail activity panel */
.activity-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .55rem; }
.activity-state { font-size: .8rem; color: var(--fg-muted); display: inline-flex; align-items: center; gap: .35rem; }
.activity-state.done { color: var(--green); }
.activity-panel {
  max-height: 48vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: .05rem;
  font-family: var(--mono); font-size: .82rem; line-height: 1.5;
  background: var(--bg-elev-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .6rem .75rem;
}
.activity-item { display: flex; gap: .4rem; padding: .12rem 0; align-items: baseline; }
.activity-item::before {
  content: "•"; flex: 0 0 auto; width: 1.1em; text-align: center; color: var(--fg-faint);
}
.activity-item .ai-summary { white-space: pre-wrap; word-break: break-word; }
.ai-tool_use::before { content: "▸"; color: var(--blue); }
.ai-tool_result::before { content: ""; }            /* summary already carries ✓ / ✗ */
.ai-text::before { content: "…"; }
.ai-result::before { content: "✓"; color: var(--green); }
.ai-error::before { content: "✗"; color: var(--danger); }
.ai-cancelled::before { content: "⊘"; color: var(--amber); }
.ai-text .ai-summary { color: var(--fg-muted); }
.activity-item.error .ai-summary { color: var(--danger); }
.activity-empty { font-style: italic; }

/* Chat live "typing" / working line */
.chat-activity {
  display: flex; align-items: center; gap: .4rem; margin-top: .65rem;
  font-size: .82rem; color: var(--fg-muted); font-style: italic;
}
.chat-activity[hidden] { display: none; }
.chat-typing-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }

/* ---------- Toasts ---------- */
.toast-container {
  position: fixed; top: 1rem; right: 1rem; z-index: 1000;
  display: flex; flex-direction: column; gap: .55rem; max-width: min(360px, calc(100vw - 2rem));
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: flex; align-items: flex-start; gap: .55rem;
  background: var(--bg-elev); color: var(--fg);
  border: 1px solid var(--border-strong); border-left-width: 3px;
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
  padding: .7rem .85rem; font-size: .88rem; line-height: 1.45;
  opacity: 0; transform: translateX(12px);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast.hide { opacity: 0; transform: translateX(12px); }
.toast::before { content: ""; flex: 0 0 auto; }
.toast-success { border-left-color: var(--green); }
.toast-error { border-left-color: var(--danger); }
.toast-info { border-left-color: var(--blue); }
.toast-msg { flex: 1 1 auto; word-break: break-word; }
.toast-close {
  flex: 0 0 auto; background: none; border: none; color: var(--fg-faint); cursor: pointer;
  font-size: 1.1rem; line-height: 1; padding: 0 .1rem;
}
.toast-close:hover { color: var(--fg); }

/* ---------- Diff viewer ---------- */
.diff {
  margin: 0; overflow-x: auto; max-height: 60vh; overflow-y: auto;
  background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .6rem .75rem; font-family: var(--mono); font-size: .8rem; line-height: 1.5;
}
.diff-line { display: block; white-space: pre; padding: 0 .25rem; }
.diff-add { background: var(--green-soft); color: var(--green); }
.diff-del { background: var(--danger-soft); color: var(--danger); }
.diff-hunk { color: var(--violet); }
.diff-meta { color: var(--fg-faint); }
.diff-truncated { color: var(--fg-muted); font-style: italic; }