:root {
  --bg: #0b0b0c;
  --bg-elevated: #151517;
  --text: #f2f2f0;
  --text-muted: #9a9a95;
  --border: #242426;
  --accent: #6ea8fe;
  --accent-text: #0b0b0c;
  --error: #ff8a80;
  --ok: #8adf9e;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.topbar-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-muted);
}

.chat-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 0 0 40px;
}

.empty-state {
  max-width: 640px;
  margin: 14vh auto 0;
  padding: 0 24px;
  text-align: center;
}

.empty-state h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}

.message-list {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.msg { line-height: 1.6; font-size: 15px; white-space: pre-wrap; }
.msg-role {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.msg.user .msg-role { color: var(--accent); }
.msg.error { color: var(--error); }

.tool-trace {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 10px;
}
.tool-trace div { margin-bottom: 3px; }

/* ---------- Proposed order card ---------- */
.order-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elevated);
  padding: 18px 20px;
  margin-top: 8px;
}

.order-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.order-card-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.order-card label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.order-card input, .order-card textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 7px 9px;
  font-size: 13px;
  font-family: inherit;
}

.order-card .field-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 14px;
}

.order-card .field-grid {
  overflow-x: auto;
}

.order-card table {
  display: block;
  overflow-x: auto;
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
}

.order-card th, .order-card td {
  text-align: left;
  font-size: 12px;
  padding: 5px 4px;
  border-bottom: 1px solid var(--border);
}

.order-card th { color: var(--text-muted); font-weight: 500; }

.order-card-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.order-card-result {
  margin-top: 12px;
  font-size: 13px;
}
.order-card-result.ok { color: var(--ok); }
.order-card-result.error { color: var(--error); }

/* ---------- Composer ---------- */
.composer {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 720px;
  width: 100%;
  margin: 0 auto 24px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.composer-input, #composer-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 15px;
  padding: 8px 0;
}

#composer-input::placeholder { color: var(--text-muted); }

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 6px;
  border-radius: 8px;
}

.icon-btn.voice-active {
  color: var(--accent);
  background: rgba(110, 168, 254, 0.12);
}

.icon-btn.recording {
  color: var(--error);
  animation: pulse 1.1s ease-in-out infinite;
}

.icon-btn.speaking {
  color: var(--ok);
  animation: pulse 0.7s ease-in-out infinite;
}

.icon-btn.thinking {
  color: var(--accent);
  animation: pulse 0.5s linear infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.icon-btn:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.attached-filename {
  font-size: 12px;
  color: var(--accent);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.send-btn {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.send-btn:disabled { opacity: 0.5; cursor: default; }

button {
  font-family: inherit;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 7px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ---------- Sign-in ---------- */
.session-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: 10vh 16px 40px;
  background: var(--bg);
}

.login-screen[hidden] { display: none; }

.login-form {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-form h1 {
  font-size: 28px;
  margin: 0;
}

.login-note,
.login-detected {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
}

.login-detected { overflow-wrap: anywhere; }

.login-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.login-form label[hidden] { display: none; }

.login-form input {
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  font-size: 15px;
}

.login-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.login-error {
  margin: 0;
  font-size: 14px;
  color: var(--error);
}

.login-form .send-btn { align-self: flex-start; }

/* ---------- Confirmation card ---------- */
.msg.confirm {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--bg-elevated);
}

.confirm-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ---------- Assistant text (markdown) ---------- */
.msg.assistant { white-space: normal; }
.md p { margin: 0 0 10px; }
.md p:last-child { margin-bottom: 0; }
.md ul, .md ol { margin: 0 0 10px; padding-left: 22px; }
.md li { margin: 3px 0; }
.md h4 { margin: 4px 0 8px; font-size: 15px; }
.md code { font-size: 13px; padding: 1px 5px; border-radius: 4px; background: var(--bg-elevated); border: 1px solid var(--border); }
.md strong { color: var(--text); }

/* ---------- Visuals (tables, charts, stats, order cards) ---------- */
.vz {
  --good: #8adf9e; --good-bg: rgba(138, 223, 158, 0.12);
  --warning: #f6c177; --warning-bg: rgba(246, 193, 119, 0.13);
  --bad: #ff8a80; --bad-bg: rgba(255, 138, 128, 0.13);
  --neutral-bg: rgba(154, 154, 149, 0.14);
  margin: 14px 0 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-elevated);
  overflow: hidden;
  font-size: 14px;
}
.vz-head { padding: 14px 16px 10px; }
.vz-title { font-weight: 600; font-size: 15px; color: var(--text); }
.vz-subtitle { margin-top: 2px; font-size: 13px; color: var(--text-muted); }
.vz-error { padding: 14px 16px; color: var(--text-muted); }

.vz-scroll { overflow-x: auto; }
.vz table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.vz th {
  text-align: left; font-weight: 500; font-size: 12px; letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--text-muted); padding: 10px 16px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.vz td { padding: 10px 16px; border-bottom: 1px solid var(--border); vertical-align: top; color: var(--text); }
.vz tbody tr:last-child td { border-bottom: none; }
.vz tbody tr:hover td { background: rgba(255, 255, 255, 0.025); }
.vz .num { text-align: right; white-space: nowrap; }
.vz-empty { color: var(--text-muted); text-align: center; }
.vz-head + .vz-scroll th { border-top: 1px solid var(--border); }

.vz-pill {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  white-space: nowrap; background: var(--neutral-bg); color: var(--text);
}
.vz-pill.tone-good { background: var(--good-bg); color: var(--good); }
.vz-pill.tone-warning { background: var(--warning-bg); color: var(--warning); }
.vz-pill.tone-bad { background: var(--bad-bg); color: var(--bad); }

.vz-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1px; background: var(--border); }
.vz-head + .vz-stat-grid { border-top: 1px solid var(--border); }
.vz-stat { padding: 14px 16px; background: var(--bg-elevated); }
.vz-stat-label { font-size: 12.5px; color: var(--text-muted); }
.vz-stat-value { margin-top: 4px; font-size: 26px; font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.vz-stat-detail { margin-top: 2px; font-size: 12.5px; color: var(--text-muted); }
.vz-stat.tone-good .vz-stat-value { color: var(--good); }
.vz-stat.tone-warning .vz-stat-value { color: var(--warning); }
.vz-stat.tone-bad .vz-stat-value { color: var(--bad); }

.vz-chart-box { position: relative; height: 260px; padding: 4px 12px 12px; }

.vz-order-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 16px 16px 12px; }
.vz-order-number { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.vz-order-title { margin-top: 2px; color: var(--text); }
.vz-order-customer { margin-top: 2px; font-size: 13px; color: var(--text-muted); }
.vz-order-head .vz-pill { font-size: 13px; padding: 4px 12px; margin-top: 2px; }

.vz-steps { display: flex; list-style: none; margin: 0; padding: 4px 16px 16px; gap: 0; overflow-x: auto; }
.vz-step { flex: 1 1 0; min-width: 84px; position: relative; padding-top: 18px; font-size: 12.5px; color: var(--text-muted); text-align: center; }
.vz-step::before { content: ''; position: absolute; top: 6px; left: 0; right: 0; height: 2px; background: var(--border); }
.vz-step:first-child::before { left: 50%; }
.vz-step:last-child::before { right: 50%; }
.vz-step.is-done::before, .vz-step.is-current::before { background: var(--accent); }
.vz-step-dot {
  position: absolute; top: 0; left: 50%; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%;
  background: var(--bg-elevated); border: 2px solid var(--border); box-sizing: border-box;
}
.vz-step.is-done .vz-step-dot { background: var(--accent); border-color: var(--accent); }
.vz-step.is-current .vz-step-dot { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(110, 168, 254, 0.2); }
.vz-step.is-current { color: var(--text); font-weight: 600; }
.vz-step-name { display: block; margin-top: 6px; padding: 0 4px; }

.vz-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; margin: 0; background: var(--border); border-top: 1px solid var(--border); }
.vz-facts > div { padding: 10px 16px; background: var(--bg-elevated); }
.vz-facts dt { font-size: 12px; color: var(--text-muted); }
.vz-facts dd { margin: 2px 0 0; color: var(--text); }
.vz-order > .vz { margin: 0; border: none; border-top: 1px solid var(--border); border-radius: 0; }

@media (max-width: 560px) {
  .vz th, .vz td { padding: 8px 10px; }
  .vz-stat-value { font-size: 22px; }
}