:root {
  color-scheme: dark;
  --bg: #050812;
  --bg-soft: #070b16;
  --panel: rgba(15, 23, 42, 0.75);
  --panel-strong: rgba(18, 26, 48, 0.9);
  --text: #f8fafc;
  --muted: #94a3b8;
  --subtle: #64748b;
  --line: rgba(148, 163, 184, 0.16);
  --line-strong: rgba(148, 163, 184, 0.24);
  --primary: #38bdf8;
  --primary-strong: #6366f1;
  --violet: #8b5cf6;
  --gold: #d8b66a;
  --danger: #ff6c7a;
  --ok: #6ee7b7;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 20px;
  --radius-sm: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -8%, rgba(75, 213, 255, 0.18), transparent 36rem),
    linear-gradient(180deg, #05070b 0%, var(--bg) 44%, #080a10 100%);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  width: min(100% - 28px, 980px);
  margin: 0 auto;
  padding: 18px 0 96px;
}

.app-shell.wide {
  width: min(100% - 32px, 1120px);
}

.hero,
.page-header {
  padding: 14px 0 18px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.brand,
.top-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand {
  font-weight: 800;
}

.desktop-links {
  display: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(75, 213, 255, 0.35);
  border-radius: var(--radius);
  color: #061018;
  background: linear-gradient(135deg, var(--primary), #f1dc9a);
}

.icon-link,
.usage-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  white-space: nowrap;
}

.usage-pill {
  color: var(--gold);
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 12px;
  font-size: clamp(34px, 8vw, 64px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 0;
  font-size: 21px;
  line-height: 1.2;
}

.hero p,
.page-header > p:last-child {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.main-grid {
  display: grid;
  gap: 16px;
}

.main-grid.single {
  max-width: 760px;
  margin: 0 auto;
}

.main-grid.two,
.admin-grid {
  grid-template-columns: 1fr;
}

.panel {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.auth-card {
  border-color: rgba(216, 182, 106, 0.35);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.diagnosis-panel .field-row {
  grid-template-columns: 1fr 1fr;
}

.compact-row {
  align-items: end;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 10px;
}

.inline-check input {
  width: 18px;
  min-width: 18px;
  height: 18px;
}

label span,
.reply-card span,
.result-grid span,
.profile-card span,
.metric-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

input,
select {
  height: 48px;
  padding: 0 13px;
}

textarea {
  resize: vertical;
  padding: 13px;
  line-height: 1.65;
}

select option {
  color: #101522;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(75, 213, 255, 0.14);
}

.large-input {
  margin: 12px 0;
}

#conversation-input {
  height: 156px;
  min-height: 156px;
}

.large-input.small {
  margin-top: 0;
}

.soft-details {
  margin: 12px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.soft-details.after-cta {
  margin-top: 10px;
}

.soft-details summary {
  padding: 13px;
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
}

.soft-details textarea,
.soft-details p {
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
  background: rgba(0, 0, 0, 0.12);
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.scenario-card,
.list-card,
.history-card,
.admin-user-card {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  text-align: left;
}

.scenario-card {
  min-height: 76px;
  padding: 12px;
}

.scenario-card strong,
.scenario-card span {
  display: block;
}

.scenario-card span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}

.scenario-card.active {
  border-color: rgba(75, 213, 255, 0.65);
  background: linear-gradient(180deg, rgba(75, 213, 255, 0.16), rgba(255, 255, 255, 0.045));
}

.primary-button,
.ghost-button,
.danger-button,
.copy-button,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 16px;
  border-radius: var(--radius);
  font-weight: 800;
}

.primary-button,
.primary-link {
  width: 100%;
  border: 0;
  color: #031018;
  background: linear-gradient(135deg, var(--primary), #f0d78a);
}

.primary-button.cta {
  min-height: 54px;
  margin-top: 12px;
  font-size: 17px;
}

.ghost-button,
.danger-button,
.copy-button {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.ghost-button.full {
  width: 100%;
}

.danger-button {
  color: var(--danger);
}

.copy-button {
  width: 100%;
  color: #061018;
  background: var(--primary);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.stack-form {
  display: grid;
  gap: 13px;
}

.compact-login {
  gap: 10px;
}

.form-message {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.form-message.error {
  color: var(--danger);
}

.form-message.ok {
  color: var(--ok);
}

.notice {
  margin: 0 0 14px;
  padding: 14px;
  border: 1px solid rgba(216, 182, 106, 0.28);
  border-radius: var(--radius);
  color: #ead7a3;
  background: rgba(216, 182, 106, 0.08);
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

.result-panel {
  border-color: rgba(75, 213, 255, 0.32);
}

.reply-card {
  padding: 18px;
  border: 1px solid rgba(75, 213, 255, 0.3);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(75, 213, 255, 0.13), rgba(255, 255, 255, 0.05));
}

.reply-card p {
  margin: 10px 0 16px;
  font-size: 20px;
  line-height: 1.65;
}

.result-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.result-grid article,
.metric-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.result-grid p {
  margin: 8px 0 0;
  color: var(--text);
  line-height: 1.65;
}

.preline {
  margin: 0;
  padding: 14px;
  white-space: pre-line;
  line-height: 1.7;
}

.list-stack,
.history-stack,
.admin-user-list {
  display: grid;
  gap: 10px;
}

.list-card,
.admin-user-card {
  padding: 14px;
}

.admin-user-card {
  display: grid;
  gap: 12px;
}

.project-assignment {
  display: grid;
  gap: 10px;
}

.list-card.active {
  border-color: var(--primary);
  background: rgba(75, 213, 255, 0.1);
}

.list-card strong,
.admin-user-card strong {
  display: block;
  margin-bottom: 6px;
}

.list-card p,
.admin-user-card p,
.history-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.detail-panel {
  align-self: start;
}

.history-card {
  padding: 16px;
}

.history-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.history-card h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.history-card time {
  color: var(--subtle);
  font-size: 12px;
}

.history-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.admin-module-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.admin-portal {
  min-height: 100vh;
  padding: 18px;
  background:
    radial-gradient(circle at 18% 12%, rgba(99, 102, 241, 0.22), transparent 30rem),
    radial-gradient(circle at 86% 18%, rgba(56, 189, 248, 0.14), transparent 32rem),
    linear-gradient(180deg, #030712 0%, #050812 54%, #070b16 100%);
}

.admin-login-view {
  display: grid;
  gap: 18px;
  align-content: center;
  width: min(100%, 1080px);
  min-height: calc(100vh - 36px);
  margin: 0 auto;
}

.admin-login-copy h1 {
  margin-bottom: 12px;
  font-size: 36px;
}

.admin-login-copy p:last-child {
  max-width: 520px;
  color: var(--muted);
  line-height: 1.7;
}

.admin-login-card {
  width: min(100%, 420px);
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.72));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

.admin-app-view {
  display: grid;
  gap: 14px;
  width: min(100%, 1360px);
  min-height: calc(100vh - 36px);
  margin: 0 auto;
}

.admin-sidebar,
.admin-workspace .panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.68));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 22px 70px rgba(0, 0, 0, 0.38);
}

.admin-sidebar {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 18px;
  border-radius: 24px;
}

.admin-nav {
  display: grid;
  gap: 8px;
}

.admin-nav button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--muted);
  background: transparent;
  text-align: left;
  font-weight: 800;
}

.admin-nav button.active {
  border-color: rgba(99, 102, 241, 0.45);
  color: var(--text);
  background: rgba(99, 102, 241, 0.18);
}

.admin-workspace {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(2, 6, 23, 0.5);
}

.admin-topbar h1 {
  margin: 0;
  font-size: 26px;
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
}

.admin-grid {
  display: grid;
  gap: 14px;
}

.admin-workspace .panel {
  padding: 18px;
  border-radius: 24px;
}

.admin-workspace input,
.admin-workspace select,
.admin-workspace textarea {
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.34);
}

.admin-workspace input,
.admin-workspace select {
  height: 44px;
}

.admin-workspace .inline-check input {
  width: 18px;
  min-width: 18px;
  height: 18px;
}

@media (min-width: 768px) {
  .admin-login-view {
    grid-template-columns: minmax(0, 1fr) 420px;
    align-items: center;
  }

  .admin-login-card {
    justify-self: end;
  }

  .admin-app-view {
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .admin-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  }
}

@media (min-width: 1280px) {
  .admin-login-copy h1 {
    font-size: 56px;
  }
}

.profile-card {
  display: grid;
  gap: 12px;
}

.profile-card strong {
  font-size: 28px;
}

.profile-card p {
  color: var(--muted);
}

.metric-card strong {
  display: block;
  margin-top: 6px;
  font-size: 34px;
}

.divider {
  height: 1px;
  margin: 22px 0;
  background: var(--line);
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 12px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(calc(100% - 18px), 460px);
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 17, 25, 0.94);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.bottom-nav a {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 9px 2px;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

.bottom-nav span {
  font-size: 16px;
  line-height: 1;
}

.bottom-nav a.active {
  color: var(--primary);
}

@media (min-width: 760px) {
  .app-shell {
    padding-top: 28px;
  }

  .panel {
    padding: 24px;
  }

  .field-row {
    grid-template-columns: 1fr 1fr;
  }

  .compact-row {
    grid-template-columns: 1fr auto;
  }

  .main-grid.two {
    grid-template-columns: minmax(260px, 0.8fr) minmax(380px, 1.2fr);
  }

  .admin-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .button-row {
    grid-template-columns: 1fr auto;
  }

  .copy-button {
    width: auto;
  }

  .bottom-nav {
    display: none;
  }

  .desktop-links {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
  }

  .desktop-links a {
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 13px;
  }

  .desktop-links a.active {
    color: #061018;
    background: var(--primary);
  }
}

@media (max-width: 390px) {
  .app-shell {
    width: calc(100% - 20px);
  }

  .panel {
    padding: 15px;
  }

  .scenario-grid {
    gap: 8px;
  }

  .scenario-card {
    min-height: 72px;
    padding: 10px;
  }

  h1 {
    font-size: 30px;
  }

  .hero p,
  .page-header > p:last-child {
    font-size: 14px;
  }
}

/* PR #14 premium product shell */
body[data-page="diagnosis"] {
  background:
    radial-gradient(circle at 22% 0%, rgba(99, 102, 241, 0.18), transparent 28rem),
    radial-gradient(circle at 84% 12%, rgba(56, 189, 248, 0.12), transparent 30rem),
    linear-gradient(180deg, #030712 0%, #050812 48%, #070b16 100%);
}

.app-shell-product {
  width: min(100% - 24px, 430px);
  min-height: 100vh;
  padding: 14px 0 112px;
}

.side-rail {
  display: none;
}

.mobile-product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.mobile-brand,
.side-brand {
  display: block;
  font-weight: 900;
  gap: 0;
  letter-spacing: 0;
  white-space: nowrap;
}

.mobile-brand span,
.side-brand span {
  color: var(--violet);
}

.mobile-product-top .top-actions {
  gap: 7px;
}

.mobile-product-top .usage-pill,
.mobile-product-top .icon-link {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 12px;
  font-size: 12px;
}

.diagnosis-layout {
  display: grid;
  gap: 14px;
}

.product-page-layout {
  display: grid;
  gap: 14px;
}

.diagnosis-layout .panel {
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.68));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 22px 70px rgba(0, 0, 0, 0.38);
}

.product-page-layout .panel {
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.68));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 22px 70px rgba(0, 0, 0, 0.38);
}

.section-title {
  margin-bottom: 14px;
}

.section-title h1 {
  max-width: 100%;
  margin-bottom: 7px;
  font-size: 25px;
  line-height: 1.18;
}

.section-title p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.compact-title h2 {
  margin-bottom: 6px;
  font-size: 21px;
}

.diagnosis-panel {
  padding: 16px;
}

.product-list-panel,
.product-detail-panel {
  padding: 16px;
}

.diagnosis-panel .field-row {
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.product-page-layout .field-row {
  grid-template-columns: 1fr;
  gap: 10px;
}

.product-panel-head {
  align-items: center;
  margin-bottom: 14px;
}

.product-panel-head h2 {
  font-size: 20px;
}

.product-page-layout .stack-form {
  gap: 12px;
}

.product-page-layout input,
.product-page-layout select {
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.34);
}

.product-page-layout textarea {
  min-height: 96px;
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.34);
}

.product-page-layout .list-stack,
.product-page-layout .history-stack {
  display: grid;
  gap: 10px;
}

.product-page-layout .list-card,
.product-page-layout .history-card {
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.34);
}

.product-page-layout .list-card.active {
  border-color: rgba(99, 102, 241, 0.82);
  background:
    radial-gradient(circle at 18% 12%, rgba(99, 102, 241, 0.28), transparent 70%),
    rgba(15, 23, 42, 0.78);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.08), 0 0 24px rgba(99, 102, 241, 0.22);
}

.product-page-layout .button-row {
  gap: 10px;
}

.product-page-layout .primary-button,
.product-page-layout .primary-link {
  min-height: 48px;
  border-radius: var(--radius-sm);
  color: #f8fbff;
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 48%, #2563eb 100%);
  box-shadow: 0 12px 38px rgba(79, 70, 229, 0.28);
}

.product-page-layout .ghost-button,
.product-page-layout .danger-button {
  min-height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.32);
}

.select-field {
  position: relative;
  gap: 7px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.34);
}

.select-field select {
  height: 32px;
  padding: 0 22px 0 0;
  border: 0;
  background: transparent;
  color: var(--text);
}

.select-field small {
  color: var(--subtle);
  font-size: 11px;
  line-height: 1.35;
}

.chat-box {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.34);
}

.chat-box textarea {
  height: 124px;
  min-height: 124px;
  margin-top: 8px;
  border-color: rgba(148, 163, 184, 0.12);
  background: rgba(2, 6, 23, 0.28);
}

.chat-box small {
  display: block;
  margin-top: 6px;
  color: var(--subtle);
  font-size: 11px;
  text-align: right;
}

.diagnosis-panel .soft-details {
  margin: 10px 0;
  border-radius: var(--radius-sm);
}

.diagnosis-panel .soft-details summary {
  min-height: 44px;
  padding: 12px;
  font-size: 13px;
}

.scenario-label {
  margin: 14px 0 9px;
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.diagnosis-panel .scenario-grid {
  gap: 9px;
  margin-top: 0;
}

.scenario-card {
  border-radius: var(--radius-sm);
}

.diagnosis-panel .scenario-card {
  min-height: 84px;
  padding: 11px;
  background: rgba(2, 6, 23, 0.34);
}

.scenario-icon {
  display: grid !important;
  width: 25px;
  height: 25px;
  place-items: center;
  margin-bottom: 8px;
  border-radius: 999px;
  color: #dbeafe !important;
  background: rgba(99, 102, 241, 0.24);
  font-size: 12px !important;
}

.scenario-card em {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.diagnosis-panel .scenario-card.active {
  border-color: rgba(99, 102, 241, 0.82);
  background:
    radial-gradient(circle at 18% 12%, rgba(99, 102, 241, 0.34), transparent 70%),
    rgba(15, 23, 42, 0.78);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.08), 0 0 28px rgba(99, 102, 241, 0.28);
}

.primary-button.cta {
  min-height: 52px;
  margin-top: 12px;
  border-radius: var(--radius-sm);
  color: #f8fbff;
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 48%, #2563eb 100%);
  box-shadow: 0 12px 38px rgba(79, 70, 229, 0.36);
}

.refresh-link {
  display: block;
  width: 100%;
  min-height: 32px;
  margin-top: 8px;
  border: 0;
  color: var(--subtle);
  background: transparent;
  font-size: 12px;
}

.notice {
  border-color: rgba(56, 189, 248, 0.18);
  color: var(--muted);
  background: rgba(14, 165, 233, 0.07);
}

.notice span {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 800;
}

.notice p {
  margin: 0;
}

.notice-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.notice-actions a {
  min-height: 34px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.08);
  font-size: 12px;
  font-weight: 800;
}

.auth-card {
  border-color: rgba(99, 102, 241, 0.26);
}

.result-panel {
  padding: 16px;
  border-color: rgba(99, 102, 241, 0.22);
}

.result-panel .panel-head {
  margin-bottom: 14px;
}

.result-panel .status-pill {
  min-height: 30px;
  border-radius: 10px;
  color: #c4b5fd;
}

.result-panel .result-grid {
  grid-template-columns: 1fr;
  gap: 10px;
}

.result-panel .result-grid article {
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.32);
}

.reply-card {
  margin: 12px 0;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(180deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.84));
}

.reply-card p {
  font-size: 15px;
}

.copy-button {
  min-height: 44px;
  border: 0;
  border-radius: 14px;
  color: #f8fbff;
  background: linear-gradient(135deg, #4f46e5, #2563eb);
}

.product-footer {
  display: none;
}

@media (max-width: 430px) {
  .app-shell-product {
    padding-top: 12px;
  }

  .mobile-product-top {
    margin-bottom: 10px;
  }

  .diagnosis-layout {
    gap: 12px;
  }

  .product-page-layout {
    gap: 12px;
  }

  .diagnosis-panel {
    padding: 14px;
  }

  .product-list-panel,
  .product-detail-panel {
    padding: 14px;
  }

  .section-title {
    margin-bottom: 10px;
  }

  .section-title .eyebrow {
    margin-bottom: 5px;
    font-size: 11px;
  }

  .section-title h1 {
    margin-bottom: 5px;
    font-size: 22px;
    line-height: 1.15;
  }

  .section-title p:last-child {
    font-size: 13px;
    line-height: 1.45;
  }

  .product-panel-head h2,
  .compact-title h2 {
    font-size: 19px;
  }

  .product-page-layout textarea {
    min-height: 88px;
  }

  .chat-box {
    padding: 10px;
  }

  .chat-box textarea {
    height: 92px;
    min-height: 92px;
    margin-top: 6px;
  }

  .diagnosis-panel .soft-details {
    margin: 8px 0;
  }

  .diagnosis-panel .soft-details summary {
    min-height: 38px;
    padding: 9px 11px;
  }

  .diagnosis-panel .field-row {
    gap: 8px;
    margin-top: 8px;
  }

  .select-field {
    gap: 4px;
    padding: 9px 10px;
  }

  .select-field select {
    height: 28px;
    font-size: 13px;
  }

  .scenario-label {
    margin: 10px 0 7px;
  }

  .diagnosis-panel .scenario-grid {
    gap: 7px;
  }

  .diagnosis-panel .scenario-card {
    min-height: 60px;
    padding: 8px;
  }

  .scenario-icon {
    width: 20px;
    height: 20px;
    margin-bottom: 5px;
  }

  .scenario-card strong {
    font-size: 14px;
  }

  .scenario-card em {
    margin-top: 3px;
    font-size: 11px;
  }

  .primary-button.cta {
    min-height: 44px;
    margin-top: 7px;
  }

  .bottom-nav {
    bottom: 4px;
    width: min(calc(100% - 22px), 410px);
    border-radius: 22px;
  }

  .bottom-nav a {
    min-height: 58px;
    padding-top: 9px;
  }
}

@media (max-width: 390px) {
  .app-shell-product {
    padding-top: 10px;
  }

  .mobile-product-top {
    margin-bottom: 8px;
  }

  .section-title {
    margin-bottom: 8px;
  }

  .section-title p:last-child {
    line-height: 1.35;
  }

  .chat-box textarea {
    height: 64px;
    min-height: 64px;
  }

  .diagnosis-panel .soft-details {
    margin: 7px 0;
  }

  .diagnosis-panel .soft-details summary {
    min-height: 34px;
    padding: 8px 10px;
  }

  .select-field {
    padding: 8px 9px;
  }

  .scenario-label {
    margin: 8px 0 6px;
  }

  .diagnosis-panel .scenario-card {
    min-height: 56px;
    padding: 7px;
  }
}

@media (max-width: 374px) {
  .app-shell-product {
    width: min(100% - 18px, 430px);
  }

  .section-title h1 {
    font-size: 22px;
  }

  .chat-box textarea {
    height: 64px;
    min-height: 64px;
  }

  .diagnosis-panel .scenario-card {
    min-height: 56px;
    padding: 7px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .app-shell-product {
    width: min(100% - 36px, 920px);
  }

  .diagnosis-layout,
  .product-page-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    align-items: start;
  }

  .auth-card {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .app-shell-product {
    display: grid;
    grid-template-columns: 204px minmax(0, 1fr);
    gap: 0;
    width: min(100% - 44px, 1360px);
    min-height: min(820px, calc(100vh - 40px));
    margin: 20px auto;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(3, 7, 18, 0.72);
    box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5);
  }

  .side-rail {
    display: flex;
    flex-direction: column;
    gap: 26px;
    padding: 32px 20px 22px;
    border-right: 1px solid var(--line);
    background: rgba(2, 6, 23, 0.58);
  }

  .side-brand {
    font-size: 20px;
  }

  .side-nav {
    display: grid;
    gap: 10px;
  }

  .side-nav a,
  .side-admin {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    padding: 0 13px;
    border-radius: 14px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
  }

  .side-nav a.active {
    color: #e0e7ff;
    background: rgba(99, 102, 241, 0.22);
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.24);
  }

  .side-nav span,
  .side-admin span {
    width: 20px;
    color: #a5b4fc;
  }

  .side-admin {
    margin-top: 10px;
    border: 1px solid var(--line);
    background: rgba(15, 23, 42, 0.6);
  }

  .upgrade-card {
    margin-top: auto;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background:
      radial-gradient(circle at 90% 0%, rgba(99, 102, 241, 0.2), transparent 55%),
      rgba(15, 23, 42, 0.72);
  }

  .upgrade-card strong {
    display: block;
    margin-bottom: 8px;
  }

  .upgrade-card p {
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 12px;
  }

  .upgrade-card a {
    color: #dbeafe;
    font-size: 13px;
    font-weight: 800;
  }

  .product-workspace {
    display: grid;
    grid-template-rows: 74px 1fr 44px;
    min-width: 0;
  }

  .mobile-product-top {
    height: 74px;
    margin: 0;
    padding: 0 28px;
    border-bottom: 1px solid var(--line);
  }

  .mobile-brand {
    display: none;
  }

  .mobile-product-top::before {
    content: "";
  }

  .mobile-product-top .top-actions {
    margin-left: auto;
  }

  .diagnosis-layout {
    grid-template-columns: minmax(540px, 640px) minmax(320px, 380px);
    justify-content: center;
    align-items: start;
    gap: 20px;
    padding: 38px 28px 24px;
  }

  .product-page-layout {
    grid-template-columns: minmax(340px, 430px) minmax(520px, 660px);
    justify-content: center;
    align-items: start;
    gap: 20px;
    min-width: 0;
    padding: 38px 28px 24px;
    overflow-y: auto;
  }

  .history-page-layout,
  .account-page-layout {
    grid-template-columns: minmax(340px, 430px) minmax(520px, 660px);
  }

  .single-message-layout {
    grid-template-columns: minmax(420px, 720px);
  }

  .diagnosis-panel {
    padding: 22px;
  }

  .product-list-panel,
  .product-detail-panel {
    padding: 22px;
  }

  .section-title {
    margin-bottom: 18px;
  }

  .section-title h1 {
    font-size: 31px;
  }

  .section-title p:last-child {
    font-size: 15px;
  }

  .product-page-layout .field-row.compact-row {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .chat-box textarea {
    height: 112px;
    min-height: 112px;
  }

  .diagnosis-panel .scenario-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .diagnosis-panel .scenario-card {
    min-height: 92px;
    padding: 14px 10px;
    text-align: center;
  }

  .scenario-icon {
    margin: 0 auto 10px;
  }

  .result-panel {
    position: sticky;
    top: 24px;
    padding: 22px;
  }

  .product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    border-top: 1px solid var(--line);
    color: var(--subtle);
    font-size: 12px;
  }
}

@media (min-width: 1280px) {
  .app-shell-product {
    grid-template-columns: 220px minmax(0, 1fr);
    width: min(100% - 52px, 1400px);
  }

  .diagnosis-layout {
    grid-template-columns: minmax(600px, 680px) minmax(340px, 380px);
    gap: 24px;
    padding-inline: 36px;
  }

  .product-page-layout {
    grid-template-columns: minmax(360px, 440px) minmax(560px, 720px);
    gap: 24px;
    padding-inline: 36px;
  }

  .single-message-layout {
    grid-template-columns: minmax(480px, 760px);
  }
}

@media (min-width: 1440px) {
  .app-shell-product {
    width: min(100% - 64px, 1440px);
  }
}

body[data-page="diagnosis"] #conversation-input {
  height: 124px;
  min-height: 124px;
}

@media (max-width: 430px) {
  body[data-page="diagnosis"] #conversation-input {
    height: 92px;
    min-height: 92px;
  }
}

@media (max-width: 390px) {
  body[data-page="diagnosis"] #conversation-input {
    height: 64px;
    min-height: 64px;
  }
}

@media (min-width: 1024px) {
  body[data-page="diagnosis"] #conversation-input {
    height: 112px;
    min-height: 112px;
  }
}