@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  /* Base palette — warm cream + soft sand */
  --bg: #f9f6f1;
  --panel: #ffffff;
  --panel-2: #f3ede4;
  --panel-soft: #fbf7f1;
  --border: #ebe3d4;
  --border-soft: #f2ebde;

  /* Text */
  --text: #3c3a36;
  --text-soft: #5a574f;
  --muted: #9a948a;

  /* Pastel accents */
  --accent: #7e8fc1;        /* soft lavender blue */
  --accent-strong: #6b7eb4;
  --accent-soft: #e4ebf6;
  --accent-tint: rgba(126, 143, 193, 0.10);

  --ok: #7eaf8b;            /* sage green */
  --ok-strong: #4d7a59;
  --ok-soft: #dceadf;
  --ok-tint: rgba(126, 175, 139, 0.12);

  --danger: #c9897f;        /* dusty rose */
  --danger-strong: #8a5048;
  --danger-soft: #f1d8d2;
  --danger-tint: rgba(201, 137, 127, 0.10);

  --warn: #c9a675;          /* warm apricot */
  --warn-strong: #8a6a3c;
  --warn-soft: #f1e0c5;
  --warn-tint: rgba(201, 166, 117, 0.12);

  /* Typography */
  --font-body: "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, "Cormorant Garamond", serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, monospace;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(60, 58, 54, 0.04);
  --shadow-md: 0 2px 10px rgba(60, 58, 54, 0.06);
  --shadow-lg: 0 10px 36px rgba(60, 58, 54, 0.10);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}

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

/* -------------------- Top bar -------------------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  background: var(--panel);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.brand-mark {
  width: 22px;
  height: 22px;
  color: var(--accent);
  filter: drop-shadow(0 1px 2px rgba(126, 143, 193, 0.30));
}
.topbar nav a {
  color: var(--text-soft);
  margin-left: 22px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}
.topbar nav a:hover { color: var(--accent); }
.topnav-user {
  margin-left: 22px;
  padding: 5px 10px;
  background: var(--panel-soft);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-soft);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
  vertical-align: middle;
}
.topnav-logout {
  margin-left: 10px !important;
  color: var(--danger-strong) !important;
  font-weight: 500;
}
.topnav-logout:hover { color: var(--danger) !important; }

.container { max-width: 1200px; margin: 32px auto; padding: 0 32px; }

/* -------------------- Project sub-nav (every project page) -------------------- */
.project-subnav {
  background: var(--panel);
  border-bottom: 1px solid var(--border-soft);
  padding: 12px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}
.subnav-title { display: flex; flex-direction: column; gap: 2px; min-width: 160px; }
.subnav-brand {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.subnav-brand:hover { color: var(--accent); text-decoration: none; }
.subnav-env code {
  background: transparent;
  padding: 0;
  font-size: 11px;
  color: var(--muted);
}
.subnav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.subnav-actions .btn.small { padding: 4px 10px; font-size: 11.5px; }
@media (max-width: 900px) {
  .project-subnav { padding: 10px 18px; position: static; }
  .subnav-actions { justify-content: flex-start; }
}

/* -------------------- Panels -------------------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.panel-head {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-soft);
}
.panel-head h1 { margin: 0; font-size: 22px; font-weight: 500; }
.panel-head h2 { margin: 0; font-size: 17px; font-weight: 500; }

.muted { color: var(--muted); margin-left: 8px; font-size: 13px; font-weight: 400; }

/* -------------------- Tables -------------------- */
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td {
  text-align: left;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 14px;
}
table.data th {
  background: var(--panel-soft);
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover td { background: var(--panel-soft); }
table.data td.empty { text-align: center; color: var(--muted); padding: 24px; }
table.events pre { margin: 0; font-size: 12px; max-height: 200px; overflow: auto; }

/* -------------------- Buttons -------------------- */
.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  transition: all 0.15s;
}
.btn:hover { background: var(--border-soft); transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: white; }
.btn.danger:hover { background: var(--danger-strong); border-color: var(--danger-strong); }
.btn.ghost { background: transparent; border-color: var(--border); color: var(--text-soft); }
.btn.ghost:hover { background: var(--panel-soft); color: var(--text); }
.btn.small { padding: 5px 12px; font-size: 12px; }

/* -------------------- Settings form -------------------- */
.settings-form .setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-soft);
  gap: 16px;
}
.settings-form .setting-row:last-child { border-bottom: none; }
.settings-form .setting-meta code {
  display: block;
  color: var(--accent-strong);
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 500;
  background: transparent;
  padding: 0;
}
.settings-form .setting-meta .muted { display: block; margin: 4px 0 0; }
.settings-form .setting-value { display: flex; gap: 8px; align-items: center; }
.settings-form input[type=text], .settings-form input[type=password], .settings-form select {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  width: 240px;
  font-family: inherit;
  font-size: 13px;
}
.settings-form input:focus, .settings-form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.section-title {
  padding: 18px 24px 8px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* -------------------- Dialog -------------------- */
dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  min-width: 440px;
  box-shadow: var(--shadow-lg);
}
dialog::backdrop { background: rgba(60, 58, 54, 0.35); backdrop-filter: blur(4px); }
dialog form { display: flex; flex-direction: column; gap: 12px; }
dialog label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-soft); font-weight: 500; }
dialog input, dialog select {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit;
}
dialog input:focus, dialog select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
dialog label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 10px; }

/* -------------------- Project Dashboard -------------------- */
.status-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.badge {
  display: inline-block;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
  background: var(--panel-2);
  color: var(--text-soft);
  border: 1px solid var(--border);
  font-weight: 500;
}
.badge.ok     { background: var(--ok-soft);     color: var(--ok-strong);     border-color: transparent; }
.badge.warn   { background: var(--warn-soft);   color: var(--warn-strong);   border-color: transparent; }
.badge.danger { background: var(--danger-soft); color: var(--danger-strong); border-color: transparent; }
.badge.ghost  { background: transparent; }

/* Alerts */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  border-left: 3px solid;
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}
.alert.error { background: #fdf3f0; border-color: var(--danger); }
.alert.warn  { background: #fbf3e1; border-color: var(--warn); }
.alert.info  { background: #eef2fb; border-color: var(--accent); }
.alert-title { font-weight: 600; margin-bottom: 4px; color: var(--text); }
.alert-detail { color: var(--text-soft); font-size: 13px; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card-label {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}
.card-value {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 500;
  margin-top: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  letter-spacing: -0.02em;
}
.card-sparkline {
  display: block;
  width: 100%;
  height: 32px;
  margin-top: 10px;
  opacity: 0.9;
}

/* Pipeline */
.pipeline { display: flex; align-items: stretch; gap: 0; padding: 24px; }
.pipe-node {
  flex: 1;
  background: var(--panel-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  transition: all 0.3s;
}
.pipe-node.active { border-color: var(--accent); background: var(--accent-soft); }
.pipe-node.error  { border-color: var(--danger); background: var(--danger-soft); }
.pipe-node.idle   { opacity: 0.55; }
.pipe-name { font-weight: 600; font-size: 13px; margin-bottom: 6px; color: var(--text); }
.pipe-summary { font-size: 13px; color: var(--text-soft); line-height: 1.45; min-height: 38px; }
.pipe-ts { font-size: 11px; margin-top: 8px; color: var(--muted); }
.pipe-arrow { display: flex; align-items: center; justify-content: center; padding: 0 14px; color: var(--muted); font-size: 20px; }

/* Chart */
.chart { display: flex; align-items: flex-end; gap: 3px; height: 130px; padding: 18px 24px 10px; }
.bar { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-soft) 100%);
  border-radius: 3px 3px 0 0;
  min-height: 2px;
  transition: height 0.4s;
}
.bar-label { font-size: 9px; color: var(--muted); margin-top: 4px; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 24px; }
.grid-2 > .panel { margin-bottom: 0; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 8px 0; max-height: 480px; overflow-y: auto; }
.event {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 14px;
}
.event:last-child { border-bottom: none; }
.event-icon { font-size: 18px; text-align: center; }
.event-message { line-height: 1.45; color: var(--text-soft); }
.event-time { font-size: 11px; white-space: nowrap; color: var(--muted); }
.event.event-error           { background: var(--danger-tint); }
.event.event-guardrail-alert { background: var(--warn-tint); }
.event.event-decide          { color: var(--text); }
.event.event-execute         { background: var(--ok-tint); }
.event.event-execute-dry     { color: var(--muted); }
.event.event-closed          { opacity: 0.55; }
.event.empty                 { color: var(--muted); padding: 24px; text-align: center; }

.pl-pos { color: var(--ok-strong); font-weight: 600; }
.pl-neg { color: var(--danger-strong); font-weight: 600; }

@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .pipeline { flex-direction: column; }
  .pipe-arrow { transform: rotate(90deg); padding: 8px 0; }
  .container { padding: 0 18px; }
}

/* -------------------- Floating AI chat -------------------- */
.chat-fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, background 0.15s;
}
.chat-fab svg { width: 24px; height: 24px; }
.chat-fab:hover { transform: scale(1.06); background: var(--accent-strong); }

.chat-panel {
  position: fixed;
  right: 28px;
  bottom: 96px;
  width: 420px;
  height: 560px;
  max-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  overflow: hidden;
}
.chat-panel[hidden] { display: none; }

.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: var(--panel-soft);
  border-bottom: 1px solid var(--border-soft);
}
.chat-head strong { font-family: var(--font-display); font-size: 15px; font-weight: 500; }

.chat-body { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; background: var(--bg); }
.chat-msg {
  padding: 11px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.5;
  max-width: 88%;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.chat-msg.user      { background: var(--accent); color: white; align-self: flex-end; border-bottom-right-radius: 3px; }
.chat-msg.assistant { background: var(--panel); border: 1px solid var(--border-soft); align-self: flex-start; border-bottom-left-radius: 3px; box-shadow: var(--shadow-sm); }
.chat-msg.system    { background: transparent; color: var(--muted); font-style: italic; font-size: 12px; align-self: center; text-align: center; }
.chat-msg.error     { background: var(--danger-soft); color: var(--danger-strong); align-self: flex-start; }
.chat-msg.typing    { background: var(--panel); border: 1px solid var(--border-soft); align-self: flex-start; opacity: 0.7; }

.chat-form {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border-soft);
  background: var(--panel-soft);
}
.chat-form textarea {
  flex: 1;
  resize: none;
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-family: inherit;
  font-size: 13px;
}
.chat-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }

/* -------------------- Logs viewer -------------------- */
.logs-filters { display: flex; flex-wrap: wrap; gap: 12px; padding: 18px 24px; align-items: end; }
.logs-filters label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--text-soft); font-weight: 500; }
.logs-filters input[type=text], .logs-filters select {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 11px;
  font: inherit;
  font-size: 13px;
  min-width: 140px;
}
.logs-filters input[type=text] { min-width: 240px; }
.logs-filters input:focus, .logs-filters select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }

.logs-list { list-style: none; margin: 0; padding: 0; }
.logs-empty { color: var(--muted); padding: 24px; text-align: center; }
.log-entry { border-bottom: 1px solid var(--border-soft); }
.log-entry:last-child { border-bottom: none; }
.log-header { display: grid; grid-template-columns: 28px auto 1fr auto auto; align-items: center; gap: 14px; padding: 12px 24px; }
.log-icon { font-size: 18px; text-align: center; }
.log-message { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.log-time { font-size: 11px; white-space: nowrap; color: var(--muted); }
.log-detail { background: var(--panel-soft); padding: 14px 24px 18px; border-top: 1px solid var(--border-soft); }
.log-narrative {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin: 0 0 12px;
  font-size: 13px;
  white-space: pre-wrap;
  line-height: 1.5;
  color: var(--text-soft);
}
.log-raw summary { cursor: pointer; font-size: 12px; padding: 4px 0; color: var(--text-soft); }
.log-raw pre {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  max-height: 320px;
  overflow: auto;
  color: var(--text-soft);
  font-family: var(--font-mono);
}
.log-entry.log-error           .log-icon { color: var(--danger); }
.log-entry.log-guardrail-alert .log-icon { color: var(--warn); }
.log-entry.log-execute         .log-icon { color: var(--ok); }
.logs-more { padding: 14px 24px; text-align: center; }

/* -------------------- Notification bell -------------------- */
.bell-wrap { margin-left: 22px; position: relative; }
.bell-btn {
  background: transparent;
  border: none;
  color: var(--text-soft);
  cursor: pointer;
  position: relative;
  padding: 4px 8px;
  transition: color 0.15s;
  display: inline-flex;
  align-items: center;
}
.bell-btn svg { width: 20px; height: 20px; }
.bell-btn:hover { color: var(--accent); }
.bell-btn.has-unread { color: var(--accent); }
.bell-count {
  position: absolute; top: -2px; right: -2px;
  background: var(--danger); color: white;
  font-size: 10px; padding: 2px 6px; border-radius: 999px;
  min-width: 16px; text-align: center; font-weight: 600;
}
.bell-panel {
  position: absolute; right: 0; top: 38px;
  width: 360px; max-height: 480px; overflow: hidden;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  z-index: 1100; display: flex; flex-direction: column;
}
.bell-panel[hidden] { display: none !important; }
.bell-head {
  padding: 12px 16px; display: flex; justify-content: space-between;
  align-items: center; border-bottom: 1px solid var(--border-soft);
  background: var(--panel-soft);
}
.bell-list { list-style: none; margin: 0; padding: 0; flex: 1; overflow-y: auto; max-height: 380px; }
.bell-item { padding: 12px 16px; border-bottom: 1px solid var(--border-soft); font-size: 13px; }
.bell-item:last-child { border-bottom: none; }
.bell-item.unread { background: var(--accent-tint); }
.bell-item.bell-bad { border-left: 3px solid var(--danger); }
.bell-title { font-weight: 600; margin-bottom: 4px; color: var(--text); }
.bell-meta { font-size: 11px; color: var(--muted); }
.bell-foot { padding: 10px 16px; text-align: center; border-top: 1px solid var(--border-soft); background: var(--panel-soft); }
.bell-foot a { color: var(--accent-strong); text-decoration: none; font-size: 12px; font-weight: 500; }

/* -------------------- Performance & Analysis -------------------- */
.card-sub { font-size: 11px; margin-top: 6px; color: var(--muted); }
.attr-row {
  display: grid;
  grid-template-columns: 200px 1fr 240px;
  gap: 16px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13px;
}
.attr-row:last-child { border-bottom: none; }
.attr-label { font-weight: 500; color: var(--text); }
.attr-bar {
  background: var(--panel-soft);
  height: 18px;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
}
.attr-bar-fill { height: 100%; border-radius: 999px; transition: width 0.4s; }
.attr-bar-fill.attr-pos { background: var(--ok); }
.attr-bar-fill.attr-neg { background: var(--danger); }
.attr-stats { font-size: 12px; text-align: right; color: var(--text-soft); }

/* -------------------- Inline code & pre -------------------- */
code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--panel-soft);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-strong);
}
pre {
  background: var(--panel-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-soft);
}
pre code { background: transparent; padding: 0; color: inherit; }

/* -------------------- Empty state (no projects yet) -------------------- */
.empty-state-panel { background: var(--panel); }
.empty-state {
  text-align: center;
  padding: 56px 32px 48px;
  max-width: 640px;
  margin: 0 auto;
}
.empty-icon {
  width: 72px;
  height: 72px;
  color: var(--accent);
  margin-bottom: 18px;
  filter: drop-shadow(0 4px 10px rgba(126, 143, 193, 0.22));
}
.empty-state h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.empty-state > p {
  color: var(--text-soft);
  font-size: 15px;
  margin: 6px 0;
  line-height: 1.55;
}
.empty-state .muted { font-size: 13px; }
.empty-cta { margin-top: 22px; padding: 12px 22px; font-size: 15px; }
.empty-tips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 36px;
  text-align: left;
}
.empty-tip {
  padding: 16px 18px;
  background: var(--panel-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}
.empty-tip strong {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}
.empty-tip span {
  font-size: 12px;
  color: var(--text-soft);
  line-height: 1.4;
}

/* -------------------- Auth pages (login + signup) -------------------- */
.auth-body {
  margin: 0;
  background:
    radial-gradient(ellipse at top left,
      rgba(126, 143, 193, 0.10), transparent 60%),
    radial-gradient(ellipse at bottom right,
      rgba(126, 175, 139, 0.08), transparent 55%),
    var(--bg);
  min-height: 100vh;
}
.auth-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 32px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  min-height: 100vh;
}
.auth-hero { padding: 12px 0; }
.auth-hero-mark {
  font-size: 44px;
  line-height: 1;
  display: inline-block;
  margin-bottom: 18px;
  filter: drop-shadow(0 4px 12px rgba(126, 143, 193, 0.30));
}
.auth-hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 40px;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 14px;
}
.auth-hero-tag {
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.55;
  margin-bottom: 28px;
  max-width: 460px;
}
.auth-hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
}
.auth-hero-points li {
  padding: 10px 0 10px 28px;
  position: relative;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.55;
  border-top: 1px solid var(--border-soft);
}
.auth-hero-points li:first-child { border-top: none; }
.auth-hero-points li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.auth-panel {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 36px 36px 32px;
}
.auth-panel-head { margin-bottom: 24px; }
.auth-panel-head h1 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}
.auth-panel-head .muted { font-size: 14px; margin: 0; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form .alert { margin: 0; }
.auth-label { display: flex; flex-direction: column; gap: 6px; }
.auth-label > span {
  font-size: 13px;
  color: var(--text-soft);
  font-weight: 500;
}
.auth-label input {
  width: 100%;
  padding: 11px 14px;
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.auth-label input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.auth-label small {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.auth-submit {
  width: 100%;
  padding: 12px 18px;
  font-size: 15px;
  margin-top: 6px;
}
.auth-foot {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}
.auth-foot a {
  color: var(--accent-strong);
  font-weight: 500;
}

@media (max-width: 880px) {
  .auth-shell {
    grid-template-columns: 1fr;
    padding: 28px 20px;
    gap: 24px;
    min-height: auto;
  }
  .auth-hero { order: 2; }
  .auth-panel { order: 1; }
  .auth-hero-title { font-size: 28px; }
  .auth-hero-tag { font-size: 15px; }
}

/* -------------------- Toasts -------------------- */
#toast-container {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2000;
  pointer-events: none;
}
.toast {
  min-width: 260px;
  max-width: 520px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 14px;
  line-height: 1.45;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: auto;
  cursor: pointer;
}
.toast.toast-show { opacity: 1; transform: translateY(0); }
.toast-ok    { border-left-color: var(--ok); }
.toast-error { border-left-color: var(--danger); }
.toast-warn  { border-left-color: var(--warn); }
.toast-info  { border-left-color: var(--accent); }

/* -------------------- Help page -------------------- */
.help-hero .panel-head { padding: 22px 28px; }
.help-hero h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.02em;
}
.help-hero .muted { display: block; margin: 4px 0 0; font-size: 13px; }
#help-search {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 14px;
  border-radius: 999px;
  width: 280px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#help-search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }

.help-toc {
  padding: 20px 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.toc-group { }
.toc-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-soft);
}
.toc-group ul { list-style: none; margin: 0; padding: 0; }
.toc-group li { margin: 0; }
.toc-group a {
  display: block;
  padding: 6px 0;
  color: var(--text-soft);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.12s, transform 0.12s;
}
.toc-group a:hover {
  color: var(--accent-strong);
  transform: translateX(2px);
}

.help-section { scroll-margin-top: 80px; }
.help-section .panel-head h2 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.help-body { padding: 8px 28px 22px; }
.help-feature {
  padding: 18px 0;
  border-bottom: 1px solid var(--border-soft);
}
.help-feature:last-child { border-bottom: none; }
.help-feature h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  margin: 0 0 6px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.help-feature p {
  margin: 6px 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
}
.help-feature ul { margin: 8px 0; padding-left: 20px; color: var(--text-soft); font-size: 14px; }
.help-feature li { margin: 4px 0; line-height: 1.55; }
.help-feature code {
  font-size: 0.88em;
  background: var(--panel-soft);
  color: var(--accent-strong);
  padding: 1px 6px;
  border-radius: 4px;
}