:root {
  --paper: #eef6fc;
  --paper-strong: #dbeaf7;
  --ink: #17324a;
  --muted: #5f7990;
  --muted-strong: #415a70;
  --line: rgba(47, 116, 181, 0.16);
  --accent: #2096dd;
  --accent-strong: #1876b2;
  --sky: #7dc7f3;
  --forest: #5ba34f;
  --forest-strong: #3b7f38;
  --sun: #e7c327;
  --fire: #d6652f;
  --panel: rgba(248, 252, 255, 0.95);
  --panel-strong: rgba(240, 248, 254, 0.99);
  --shadow: 0 24px 72px rgba(27, 82, 126, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

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

body {
  color: var(--ink);
  font-family: "Trebuchet MS", "Gill Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 0 10%, rgba(32, 150, 221, 0.22), transparent 24%),
    radial-gradient(circle at 100% 10%, rgba(125, 199, 243, 0.24), transparent 24%),
    linear-gradient(180deg, #cfe8f8 0%, #eef7fd 18%, #f5fbff 62%, #e4f1fb 100%);
}

.page-shell {
  width: min(1380px, calc(100% - 32px));
  margin: 14px auto 28px;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr minmax(260px, 360px);
  gap: 18px;
  margin-bottom: 12px;
}

.hero-centered {
  grid-template-columns: 1fr;
}

.hero-copy,
.hero-panel,
.tool-card,
.chat-card,
.console-card {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(232, 245, 254, 0.42)),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-copy {
  padding: 34px;
}

.hero-copy-single {
  padding: 18px 28px 16px;
  text-align: center;
  background:
    radial-gradient(circle at 10% 100%, rgba(32, 150, 221, 0.12), transparent 18%),
    radial-gradient(circle at 90% 0, rgba(125, 199, 243, 0.12), transparent 16%),
    linear-gradient(180deg, rgba(251, 254, 255, 0.98), rgba(237, 247, 254, 0.96));
}

.hero-copy::after,
.hero-panel::after,
.tool-card::after,
.chat-card::after,
.console-card::after {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(47, 116, 181, 0.16), transparent 70%);
  pointer-events: none;
}

.hero-copy::before,
.console-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 8px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--sky) 58%, rgba(91, 163, 79, 0.75) 82%, rgba(231, 195, 39, 0.85) 100%);
  opacity: 1;
}

.hero-panel {
  padding: 28px;
  align-self: stretch;
  background: linear-gradient(180deg, rgba(50, 71, 57, 0.95), rgba(38, 54, 43, 0.93));
  color: #f6f0e6;
}

.eyebrow,
.tool-kicker,
.panel-label {
  margin: 0 0 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
}

.panel-label {
  color: #dfc59f;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.2rem, 4.6vw, 4.2rem);
  line-height: 0.92;
  max-width: 12ch;
  text-wrap: balance;
}

.hero-copy-single h1 {
  max-width: 16ch;
  margin-inline: auto;
}

h2 {
  font-size: clamp(1.4rem, 1.8vw, 2rem);
  line-height: 1.05;
}

.hero-text {
  max-width: 68ch;
  margin: 10px 0 10px;
  color: var(--muted-strong);
  font-size: 0.94rem;
  line-height: 1.44;
}

.hero-copy-single .hero-text {
  margin-inline: auto;
}

.hero-text-compact {
  margin-top: 0;
  max-width: 60ch;
}

.catalog-scope {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 2px auto 0;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(32, 150, 221, 0.2);
  background: linear-gradient(180deg, rgba(239, 248, 255, 0.98), rgba(228, 243, 252, 0.98));
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.catalog-scope strong {
  color: var(--ink);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.hero-copy-single .hero-meta {
  justify-content: center;
  gap: 8px;
}

.meta-chip,
.meta-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(32, 150, 221, 0.18);
  background: linear-gradient(180deg, rgba(242, 249, 255, 0.98), rgba(233, 245, 253, 0.98));
  color: var(--ink);
  text-decoration: none;
  font-size: 0.88rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.meta-link {
  background: rgba(50, 71, 57, 0.1);
}

.panel-list {
  margin: 12px 0 0;
  padding-left: 18px;
  line-height: 1.8;
  color: var(--muted-strong);
}

.service-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.proof-card {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(32, 150, 221, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.52), rgba(229, 244, 254, 0.24)),
    linear-gradient(180deg, rgba(243, 250, 255, 0.98), rgba(222, 238, 249, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.proof-card:nth-child(1) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.48), rgba(225, 241, 253, 0.24)),
    linear-gradient(180deg, rgba(241, 249, 255, 0.99), rgba(204, 229, 248, 0.99));
}

.proof-card:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.44), rgba(225, 245, 254, 0.22)),
    linear-gradient(180deg, rgba(238, 250, 255, 0.99), rgba(193, 229, 247, 0.99));
}

.proof-card:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(230, 244, 254, 0.22)),
    linear-gradient(180deg, rgba(240, 249, 255, 0.99), rgba(210, 233, 248, 0.99));
}

.proof-number {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(1.1rem, 1.5vw, 1.6rem);
  font-weight: 700;
  color: var(--accent-strong);
}

.proof-label {
  color: var(--muted-strong);
  font-size: 0.88rem;
}

.hero-panel .panel-list {
  color: rgba(246, 240, 230, 0.88);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.workspace-single {
  grid-template-columns: 1fr;
  width: 100%;
  max-width: none;
  margin: 0;
}

.tool-column,
.chat-column {
  display: grid;
  gap: 18px;
}

.tool-card,
.chat-card {
  padding: 24px;
}

.console-card {
  padding: 24px;
}

.advisor-shell {
  margin-top: 0;
}

.advisor-card {
  padding: 24px 26px;
  background:
    radial-gradient(circle at 100% 0, rgba(32, 150, 221, 0.14), transparent 22%),
    radial-gradient(circle at 0 100%, rgba(125, 199, 243, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(243, 250, 255, 0.99), rgba(230, 243, 252, 0.99));
}

.advisor-head {
  text-align: center;
}

.scope-note {
  margin: 8px 0 0;
  color: var(--accent-strong);
  font-size: 0.94rem;
  font-weight: 700;
}

.advisor-lead {
  max-width: 58ch;
  margin: 10px auto 0;
  color: var(--muted-strong);
  font-size: 0.98rem;
  line-height: 1.55;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0 14px;
}

.capability-card {
  padding: 12px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(32, 150, 221, 0.14);
  background: linear-gradient(180deg, rgba(236, 247, 255, 0.98), rgba(246, 252, 255, 0.98));
  text-align: left;
}

.capability-title,
.capability-text {
  margin: 0;
}

.capability-title {
  color: var(--accent-strong);
  font-weight: 700;
}

.capability-text {
  margin-top: 6px;
  color: var(--muted-strong);
  line-height: 1.45;
}

.tool-head {
  margin-bottom: 12px;
}

.tool-form {
  display: grid;
  gap: 14px;
}

.advisor-form {
  gap: 14px;
}

.mode-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.mode-pill {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(50, 71, 57, 0.14);
  background: rgba(255, 253, 248, 0.78);
  color: var(--forest);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.mode-pill:hover {
  transform: translateY(-1px);
}

.mode-pill.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff7ef;
  border-color: transparent;
}

.mode-intro {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.76);
  border: 1px solid rgba(56, 40, 20, 0.08);
  color: var(--muted-strong);
  line-height: 1.55;
}

.mode-panel {
  display: none;
  gap: 14px;
}

.mode-panel.is-active {
  display: grid;
}

.output-stack {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.output-block {
  display: none;
}

.output-block.is-visible {
  display: block;
}

.field {
  display: grid;
  gap: 8px;
}

.field-large span {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--forest);
}

.field span {
  font-size: 0.9rem;
  color: var(--muted-strong);
}

.field-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

input,
select,
textarea,
.action-button {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 40, 20, 0.15);
  font: inherit;
}

input,
select,
textarea {
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(252, 254, 255, 0.99), rgba(239, 248, 255, 0.99));
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 132px;
}

.advisor-form textarea {
  min-height: 144px;
  padding: 16px 18px;
  font-size: 1rem;
  line-height: 1.55;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(47, 116, 181, 0.18);
  border-color: rgba(47, 116, 181, 0.45);
  box-shadow: 0 0 0 6px rgba(47, 116, 181, 0.07);
}

.action-button {
  min-height: 50px;
  padding: 0 18px;
  border: 0;
  background: linear-gradient(135deg, #3b83c6 0%, var(--accent-strong) 72%, #194a78 100%);
  color: #fff7ef;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
  box-shadow: 0 16px 32px rgba(33, 92, 144, 0.24);
}

.action-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(33, 92, 144, 0.3);
}

.action-button-large {
  min-height: 54px;
  font-size: 1rem;
}

.prompt-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.prompt-chip {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(32, 150, 221, 0.18);
  background: linear-gradient(180deg, rgba(244, 251, 255, 0.99), rgba(232, 245, 254, 0.99));
  color: var(--accent-strong);
  font: inherit;
  font-size: 0.93rem;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.prompt-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(47, 116, 181, 0.3);
  background: linear-gradient(180deg, rgba(236, 248, 255, 0.99), rgba(220, 239, 252, 0.99));
}

.status-line,
.guidance,
.chat-answer {
  margin: 14px 0 0;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(246, 251, 255, 0.96), rgba(236, 247, 255, 0.99));
  border: 1px solid rgba(56, 40, 20, 0.08);
  padding: 13px 14px;
}

.status-line:empty,
.guidance:empty {
  display: none;
}

.progress-line {
  display: none;
  position: relative;
  height: 6px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(32, 150, 221, 0.14);
}

.progress-line.is-visible {
  display: block;
}

.progress-line-bar {
  position: absolute;
  inset: 0 auto 0 -35%;
  width: 35%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(32, 150, 221, 0.08), var(--accent), rgba(125, 199, 243, 0.42));
  animation: loading-sweep 1.15s ease-in-out infinite;
}

.guidance,
.chat-answer,
.status-line {
  line-height: 1.55;
  color: var(--muted-strong);
}

.chat-answer {
  color: var(--ink);
}

.chat-answer p,
.chat-answer ul {
  margin: 0;
}

.chat-answer h2,
.chat-answer h3,
.chat-answer h4 {
  margin: 0;
  color: var(--ink);
  line-height: 1.2;
}

.chat-answer p + p,
.chat-answer p + ul,
.chat-answer ul + p,
.chat-answer ul + ul,
.chat-answer h2 + p,
.chat-answer h3 + p,
.chat-answer h4 + p,
.chat-answer p + blockquote,
.chat-answer ul + blockquote,
.chat-answer blockquote + p {
  margin-top: 12px;
}

.chat-answer ul {
  padding-left: 20px;
}

.chat-answer blockquote {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid rgba(50, 71, 57, 0.2);
  color: var(--muted-strong);
}

.chat-answer li + li {
  margin-top: 6px;
}

.guidance strong,
.chat-answer strong {
  color: var(--ink);
  font-weight: 800;
}

.guidance em,
.chat-answer em {
  font-style: italic;
}

.chat-answer code {
  font-family: "IBM Plex Mono", "Fira Code", monospace;
  font-size: 0.92em;
  padding: 0.08rem 0.32rem;
  border-radius: 0.35rem;
  background: rgba(186, 95, 58, 0.12);
  color: var(--accent-strong);
}

.chat-answer a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.12rem;
}

.answer-label {
  margin: 18px 0 8px;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--forest);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.book-card {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(32, 150, 221, 0.14);
  background:
    radial-gradient(circle at 100% 0, rgba(32, 150, 221, 0.08), transparent 18%),
    radial-gradient(circle at 0 100%, rgba(125, 199, 243, 0.08), transparent 20%),
    linear-gradient(180deg, rgba(251, 254, 255, 0.99), rgba(228, 243, 252, 0.97));
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.book-card:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 116, 181, 0.24);
  box-shadow: 0 16px 34px rgba(33, 92, 144, 0.12);
}

.cover-wrap {
  aspect-ratio: 2 / 3;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(180deg, #b8d9ef, #7dc7f3);
  box-shadow: 0 14px 30px rgba(33, 92, 144, 0.18);
}

.cover-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-body {
  display: grid;
  gap: 9px;
}

.book-topline,
.book-price-row,
.book-footer,
.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
}

.book-category,
.book-score,
.book-meta span,
.book-discount {
  margin: 0;
  font-size: 0.76rem;
  color: var(--forest-strong);
  letter-spacing: 0.04em;
}

.book-category,
.book-meta span,
.book-discount {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(32, 150, 221, 0.1);
}

.book-category {
  background: rgba(47, 116, 181, 0.14);
  color: var(--accent-strong);
  font-weight: 700;
}

.book-score {
  color: var(--accent);
  font-weight: 700;
}

.book-title {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: 1.42rem;
  line-height: 1.04;
  color: #2f2319;
}

.book-subtitle,
.book-author,
.book-publisher,
.book-reason,
.book-excerpt,
.book-reader-comment,
.book-availability {
  margin: 0;
}

.book-subtitle {
  color: var(--muted-strong);
  font-style: italic;
  font-size: 0.96rem;
}

.book-credit-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: center;
}

.book-author,
.book-publisher {
  color: var(--forest);
  font-size: 0.88rem;
}

.book-author {
  font-weight: 700;
}

.book-publisher {
  color: var(--muted);
}

.book-reason {
  font-weight: 700;
  color: var(--accent-strong);
  font-size: 0.95rem;
}

.book-editorial {
  display: grid;
  gap: 8px;
}

.book-excerpt {
  color: var(--muted-strong);
  line-height: 1.55;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 245, 231, 0.84);
  border: 1px solid rgba(108, 82, 56, 0.08);
}

.book-reader-comment {
  color: var(--forest-strong);
  line-height: 1.55;
  font-style: italic;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(32, 150, 221, 0.1);
  border-left: 3px solid rgba(32, 150, 221, 0.34);
}

.book-bottom {
  display: grid;
  gap: 10px;
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px solid rgba(108, 82, 56, 0.08);
}

.book-price {
  font-size: 1.14rem;
  font-weight: 800;
  color: var(--accent-strong);
}

.book-list-price {
  color: var(--muted-strong);
  text-decoration: line-through;
  font-size: 0.92rem;
}

.book-link {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #3b83c6 0%, var(--accent-strong) 100%);
  color: #fff7ef;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 18px rgba(33, 92, 144, 0.22);
}

.book-availability {
  color: var(--forest-strong);
  font-size: 0.88rem;
  font-weight: 700;
}

.is-loading::after {
  content: " ...";
  animation: dots 1s infinite steps(4, end);
}

@keyframes dots {
  0% {
    content: " .";
  }
  25% {
    content: " ..";
  }
  50% {
    content: " ...";
  }
  75% {
    content: " ....";
  }
  100% {
    content: " .";
  }
}

@keyframes loading-sweep {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(390%);
  }
}

@media (max-width: 1080px) {
  .hero,
  .workspace {
    grid-template-columns: 1fr;
  }

  .service-proof,
  .capability-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 18px, 100%);
    margin: 10px auto 24px;
  }

  .hero-copy,
  .hero-panel,
  .tool-card,
  .chat-card,
  .console-card {
    padding: 18px;
  }

  .hero-copy-single,
  .advisor-card {
    padding: 18px;
  }

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

  .cover-wrap {
    width: 120px;
  }
}