HVU_QA/frontend/style.css

:root {
  --bg: #f6f4fb;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-soft: rgba(250, 248, 255, 0.92);
  --line: rgba(92, 85, 168, 0.12);
  --line-strong: rgba(92, 85, 168, 0.22);
  --text: #232343;
  --text-soft: #66648a;
  --text-muted: #9793b5;
  --accent: #5c63e7;
  --accent-strong: #434dc7;
  --accent-soft: rgba(92, 99, 231, 0.09);
  --warm: #e0607c;
  --gold: #f0b558;
  --shadow-main: 0 28px 64px rgba(70, 62, 132, 0.12);
  --shadow-soft: 0 12px 28px rgba(97, 88, 171, 0.08);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, rgba(92, 99, 231, 0.08), transparent 22%),
    radial-gradient(circle at 85% 85%, rgba(224, 96, 124, 0.1), transparent 18%),
    linear-gradient(180deg, #f8f6fc 0%, #f2eef9 100%);
}

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

.page-shell {
  --sidebar-width: 96px;
  width: min(1420px, calc(100vw - 32px));
  min-height: calc(100vh - 32px);
  margin: 16px auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(246, 241, 255, 0.82));
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 28px;
  box-shadow: var(--shadow-main);
  overflow: hidden;
  backdrop-filter: blur(18px);
  transition: grid-template-columns 0.28s ease;
}

body.sidebar-open .page-shell {
  --sidebar-width: 360px;
}

.sidebar {
  padding: 18px;
  background: linear-gradient(180deg, rgba(247, 244, 255, 0.98), rgba(239, 244, 255, 0.96));
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-top {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle {
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  display: inline-grid;
  place-content: center;
  gap: 5px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.menu-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(97, 88, 171, 0.12);
}

.menu-toggle span {
  width: 24px;
  height: 3px;
  border-radius: 999px;
  background: #5d5a8c;
  transition: transform 0.24s ease, opacity 0.24s ease;
}

body.sidebar-open .menu-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

body.sidebar-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

body.sidebar-open .menu-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.sidebar-content {
  display: grid;
  gap: 14px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.22s ease, transform 0.22s ease, max-height 0.28s ease;
}

body.sidebar-open .sidebar-content {
  opacity: 1;
  max-height: 2000px;
  pointer-events: auto;
  transform: translateY(0);
}

.side-card,
.author-card,
.result-card,
.composer {
  border: 1px solid rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.side-card {
  padding: 14px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(242, 245, 255, 0.98), rgba(252, 252, 255, 0.94));
  border-color: rgba(151, 161, 240, 0.16);
}

.side-label {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.select-shell {
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
}

.select-icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  display: inline-flex;
}

.select-shell select {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: #585480;
  font-weight: 500;
}

.status-card {
  display: grid;
  gap: 8px;
}

.status-chip {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-chip p,
.status-note {
  margin: 0;
}

.status-chip p {
  font-size: 0.92rem;
  font-weight: 600;
  color: #57527d;
}

.status-note {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--warm), var(--accent));
  box-shadow: 0 0 0 5px rgba(92, 99, 231, 0.1);
}

.history-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.history-header .side-label {
  margin: 0;
}

.history-header button {
  border: 0;
  background: transparent;
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
}

.history-list {
  display: grid;
  gap: 10px;
  max-height: 100%;
  overflow: auto;
  padding-right: 4px;
}

.history-list::-webkit-scrollbar {
  width: 8px;
}

.history-list::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(92, 99, 231, 0.2);
}

.history-item {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  padding: 12px 14px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  text-align: left;
  color: inherit;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.history-item:hover,
.history-item.is-active {
  transform: translateY(-1px);
  border-color: rgba(92, 99, 231, 0.18);
  box-shadow: 0 12px 24px rgba(92, 99, 231, 0.1);
}

.history-icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
  display: inline-grid;
  place-items: center;
  margin-top: 3px;
}

.history-main strong,
.history-main span {
  display: block;
}

.history-main strong {
  font-size: 0.95rem;
  line-height: 1.45;
  font-weight: 600;
  color: #4a466e;
}

.history-main span {
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.history-empty {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-muted);
  line-height: 1.6;
}

.author-card {
  border-radius: 22px;
  padding: 16px;
  display: grid;
  gap: 12px;
  background: linear-gradient(180deg, rgba(255, 243, 247, 0.98), rgba(247, 242, 255, 0.96));
  border-color: rgba(236, 158, 182, 0.18);
}

.author-toggle {
  min-width: 0;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  cursor: pointer;
}

.author-toggle:focus-visible {
  outline: 2px solid rgba(92, 99, 231, 0.24);
  outline-offset: 4px;
  border-radius: 18px;
}

.author-header {
  min-width: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.author-header > :last-child {
  min-width: 0;
}

.author-toggle-icon {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.8);
  color: #7b75a6;
  display: inline-grid;
  place-items: center;
  flex: none;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.author-toggle-icon svg {
  width: 18px;
  height: 18px;
}

.author-toggle.is-open .author-toggle-icon {
  transform: rotate(180deg);
  background: rgba(240, 234, 255, 0.98);
  color: var(--accent-strong);
}

.author-header-icon {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(240, 228, 255, 0.98), rgba(255, 240, 246, 0.98));
  color: var(--accent);
  display: inline-grid;
  place-items: center;
  box-shadow: 0 10px 20px rgba(123, 117, 166, 0.08);
}

.author-header-icon svg {
  width: 20px;
  height: 20px;
}

.author-title,
.author-footer p,
.author-person-summary,
.author-person-meta-label,
.author-person-meta-value {
  margin: 0;
}

.author-title {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #7b75a6;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.author-grid {
  min-width: 0;
  display: grid;
  gap: 10px;
}

.author-content {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.author-content[hidden] {
  display: none;
}

.author-person {
  min-width: 0;
  width: 100%;
  border: 1px solid rgba(184, 167, 224, 0.24);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  display: grid;
  overflow: hidden;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.author-person:hover,
.author-person.is-active {
  transform: translateY(-1px);
  border-color: rgba(92, 99, 231, 0.22);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 24px rgba(92, 99, 231, 0.1);
}

.author-person-trigger {
  min-width: 0;
  width: 100%;
  padding: 14px;
  border: 0;
  background: transparent;
  text-align: left;
  color: inherit;
  display: grid;
  gap: 8px;
  cursor: pointer;
}

.author-person-trigger > * {
  min-width: 0;
}

.author-person-trigger:focus-visible {
  outline: 2px solid rgba(92, 99, 231, 0.28);
  outline-offset: 2px;
}

.author-person-top {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.author-person-role {
  min-width: 0;
  flex: 1 1 auto;
  padding: 0;
  color: var(--accent-strong);
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.author-person-chevron {
  width: 18px;
  height: 18px;
  color: #7b75a6;
  display: inline-grid;
  place-items: center;
  flex: none;
  transition: transform 0.18s ease, color 0.18s ease;
}

.author-person-chevron svg {
  width: 16px;
  height: 16px;
}

.author-person.is-active .author-person-chevron {
  transform: rotate(180deg);
  color: var(--accent-strong);
}

.author-person strong {
  display: block;
  font-size: 1rem;
  line-height: 1.35;
  color: #403a67;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.author-person-summary {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #6f6996;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.author-person-body {
  min-width: 0;
  margin: 0 14px 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(187, 171, 227, 0.2);
  display: grid;
  gap: 8px;
}

.author-person-body > * {
  min-width: 0;
}

.author-person-meta {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.author-person-meta-row {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  align-items: start;
}

.author-person-meta-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #8a84b2;
  white-space: normal;
}

.author-person-meta-value {
  min-width: 0;
  font-size: 0.88rem;
  line-height: 1.4;
  font-weight: 700;
  color: #4e4878;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.author-footer {
  padding-top: 2px;
}

.author-footer p {
  font-size: 0.9rem;
  color: #6b648d;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.workspace {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background:
    radial-gradient(circle at 50% 24%, rgba(92, 99, 231, 0.12), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 244, 255, 0.9));
}

.topbar {
  min-height: auto;
  padding: 42px 34px 10px;
  display: flex;
  justify-content: center;
  text-align: center;
  background: transparent;
}

.identity {
  display: grid;
  justify-items: center;
  gap: 16px;
}

.logo {
  width: clamp(88px, 10vw, 110px);
  height: clamp(88px, 10vw, 110px);
  object-fit: contain;
  flex: none;
  filter: drop-shadow(0 12px 24px rgba(92, 99, 231, 0.12));
}

.identity-copy {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.identity-copy h1,
.identity-copy p,
.hero-copy h2,
.button-label {
  margin: 0;
}

.identity-copy h1 {
  max-width: none;
  font-size: clamp(1.55rem, 2.45vw, 2.55rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #22203d;
  white-space: nowrap;
}

.identity-copy p {
  font-size: clamp(1.08rem, 1.38vw, 1.42rem);
  line-height: 1.2;
  font-weight: 700;
  color: #4d466f;
  text-wrap: balance;
}

.hero-panel {
  padding: 0 34px 18px;
  display: grid;
  justify-items: center;
  gap: 10px;
  text-align: center;
}

.hero-copy {
  width: min(100%, 1180px);
  display: grid;
  justify-items: center;
}

.hero-copy h2 {
  max-width: none;
  min-height: auto;
  font-size: clamp(1.65rem, 3vw, 2.9rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--accent-strong);
  white-space: nowrap;
}

.typewriter-text {
  position: relative;
  display: inline-block;
  padding: 0.04em 0.08em 0.08em;
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  filter: blur(10px);
  transition:
    opacity 0.75s ease,
    transform 0.75s cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 0.75s ease;
  overflow: hidden;
}

.typewriter-text::before {
  content: "";
  position: absolute;
  inset: -8% -5%;
  background: linear-gradient(
    112deg,
    transparent 0%,
    rgba(255, 255, 255, 0) 38%,
    rgba(255, 255, 255, 0.78) 49%,
    rgba(255, 255, 255, 0.18) 56%,
    transparent 66%
  );
  transform: translateX(-135%) skewX(-18deg);
  opacity: 0;
  pointer-events: none;
}

.typewriter-text.is-ready {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  text-shadow: 0 16px 28px rgba(92, 99, 231, 0.12);
}

.typewriter-text.is-ready::before {
  opacity: 1;
  animation: title-sheen 1.45s cubic-bezier(0.22, 1, 0.36, 1) 0.12s both;
}

.result-card {
  margin: 6px 34px 18px;
  padding: 0;
  min-height: 0;
  position: relative;
  background: transparent;
  border: 0;
  box-shadow: none;
  overflow: visible;
}

.result-card.is-visible {
  animation: result-card-in 0.3s ease;
}

.result-card.is-updating {
  box-shadow: none;
}

.result-feed {
  display: grid;
  gap: 16px;
}

.result-thread-item {
  padding: 22px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(132, 141, 231, 0.14);
  box-shadow: 0 14px 28px rgba(92, 99, 231, 0.06);
}

.result-thread-item:nth-child(even) {
  background: rgba(255, 253, 249, 0.96);
  border-color: rgba(240, 191, 143, 0.18);
}

.atom-loader {
  --atom-size: 58px;
  --atom-border: rgba(92, 99, 231, 0.26);
  --atom-glow: rgba(92, 99, 231, 0.2);
  position: relative;
  width: var(--atom-size);
  height: var(--atom-size);
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  filter: drop-shadow(0 10px 22px var(--atom-glow));
}

.atom-loader-sm {
  --atom-size: 30px;
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.atom-loader-inline {
  --atom-size: 42px;
}

.atom-core {
  width: calc(var(--atom-size) * 0.28);
  height: calc(var(--atom-size) * 0.28);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #ffe4eb 28%, #9ba9ff 68%, #5c63e7 100%);
  box-shadow:
    0 0 0 calc(var(--atom-size) * 0.085) rgba(255, 255, 255, 0.28),
    0 0 calc(var(--atom-size) * 0.34) rgba(92, 99, 231, 0.24);
  position: relative;
  z-index: 2;
}

.atom-orbit {
  position: absolute;
  inset: 6%;
  border: 1.5px solid var(--atom-border);
  border-radius: 50%;
  will-change: transform;
}

.atom-orbit-a {
  transform: rotate(10deg);
}

.atom-orbit-b {
  inset: 14%;
  transform: rotate(72deg);
}

.atom-orbit-c {
  inset: 14%;
  transform: rotate(-58deg);
}

.atom-electron {
  position: absolute;
  width: calc(var(--atom-size) * 0.12);
  height: calc(var(--atom-size) * 0.12);
  border-radius: 50%;
  box-shadow: 0 0 calc(var(--atom-size) * 0.18) rgba(255, 255, 255, 0.34);
}

.atom-orbit-a .atom-electron {
  top: calc(var(--atom-size) * -0.045);
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #ffd7df 38%, #ff8ba7 100%);
}

.atom-orbit-b .atom-electron {
  bottom: calc(var(--atom-size) * -0.05);
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #dbe2ff 42%, #7e90ff 100%);
}

.atom-orbit-c .atom-electron {
  top: 50%;
  right: calc(var(--atom-size) * -0.05);
  transform: translateY(-50%);
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #ffe6b9 40%, #f0b558 100%);
}

body.is-generating .result-card:not(.has-entry) .atom-orbit-a,
.generate-button.is-loading .atom-orbit-a {
  animation: atom-orbit-a-spin 1.75s linear infinite;
}

body.is-generating .result-card:not(.has-entry) .atom-orbit-b,
.generate-button.is-loading .atom-orbit-b {
  animation: atom-orbit-b-spin 1.2s linear infinite;
}

body.is-generating .result-card:not(.has-entry) .atom-orbit-c,
.generate-button.is-loading .atom-orbit-c {
  animation: atom-orbit-c-spin 2.25s linear infinite;
}

body.is-generating .result-card:not(.has-entry) .atom-core,
.generate-button.is-loading .atom-core {
  animation: atom-core-pulse 1s ease-in-out infinite alternate;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.result-meta span {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(235, 238, 255, 0.9);
  color: var(--accent-strong);
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
}

.result-meta span:nth-child(4n + 2) {
  background: rgba(255, 235, 240, 0.9);
  color: #b44c70;
}

.result-meta span:nth-child(4n + 3) {
  background: rgba(255, 243, 223, 0.95);
  color: #9f6e19;
}

.result-meta span:nth-child(4n + 4) {
  background: rgba(234, 246, 255, 0.95);
  color: #356c97;
}

.result-meta span + span::before {
  content: none;
}

.result-section {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.result-section + .result-section {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(132, 141, 231, 0.14);
}

.result-source-title,
.result-questions-title {
  margin: 0;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.result-source-title {
  background: rgba(236, 238, 255, 0.92);
  color: var(--accent-strong);
}

.result-questions-title {
  background: rgba(255, 244, 225, 0.96);
  color: #9f6e19;
}

.result-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.copy-button {
  width: auto;
  height: auto;
  padding: 4px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #68639a;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.copy-button:hover {
  background: rgba(235, 238, 255, 0.78);
  color: var(--accent-strong);
}

.copy-button.is-copied {
  background: rgba(226, 244, 233, 0.92);
  color: #2f8a54;
}

.copy-button svg {
  width: 17px;
  height: 17px;
}

.result-source,
.result-note,
.result-message {
  margin: 0;
  padding: 0;
  line-height: 1.8;
}

.result-source {
  background: transparent;
  border: 0;
  white-space: pre-wrap;
}

.result-questions {
  display: grid;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: question;
}

.result-questions li {
  position: relative;
  padding: 12px 0 12px 32px;
  background: transparent;
  border: 0;
  line-height: 1.75;
  counter-increment: question;
}

.result-questions li + li {
  border-top: 1px solid rgba(132, 141, 231, 0.12);
}

.result-questions li::before {
  content: counter(question) ".";
  position: absolute;
  left: 0;
  top: 12px;
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent;
  color: var(--accent-strong);
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
}

.result-note {
  color: #726c9a;
}

.result-pending {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 4px 0;
  background: transparent;
}

.result-pending .result-note {
  padding: 0;
  background: transparent;
}

.result-pending .atom-orbit-a {
  animation: atom-orbit-a-spin 1.75s linear infinite;
}

.result-pending .atom-orbit-b {
  animation: atom-orbit-b-spin 1.2s linear infinite;
}

.result-pending .atom-orbit-c {
  animation: atom-orbit-c-spin 2.25s linear infinite;
}

.result-pending .atom-core {
  animation: atom-core-pulse 1s ease-in-out infinite alternate;
}

.result-message {
  color: #9f3d61;
}

.result-message-inline {
  margin: 0 0 14px;
}

.landing-panel {
  margin: 0 18px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(280px, 0.95fr);
  gap: 16px;
}

.landing-card {
  padding: 20px 20px 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(250, 249, 255, 0.98), rgba(255, 255, 255, 0.94));
  border: 1px solid rgba(143, 154, 238, 0.16);
  box-shadow: 0 14px 28px rgba(92, 99, 231, 0.06);
  display: grid;
  gap: 14px;
}

.landing-card-head {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(146, 156, 239, 0.14);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.landing-kicker,
.landing-card-note,
.landing-guide-list {
  margin: 0;
}

.landing-kicker {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #7b75a6;
  flex: none;
}

.landing-card-note {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #807aa8;
  flex: 1 1 220px;
  min-width: 0;
}

.landing-samples .landing-card-head {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 8px;
}

.landing-samples .landing-kicker {
  white-space: nowrap;
}

.landing-samples .landing-card-note {
  white-space: normal;
}

.landing-samples .landing-card-note {
  font-size: 0.84rem;
  line-height: 1.4;
}

.landing-guide-list {
  padding: 0;
  list-style: none;
  counter-reset: landing-step;
  display: grid;
  gap: 10px;
  color: #4f4a79;
  line-height: 1.65;
}

.landing-guide-list li {
  position: relative;
  padding: 14px 16px 14px 50px;
  border-radius: 18px;
  border: 1px solid rgba(146, 156, 239, 0.14);
  background: rgba(255, 255, 255, 0.78);
  counter-increment: landing-step;
}

.landing-guide-list li::before {
  content: counter(landing-step);
  position: absolute;
  left: 16px;
  top: 14px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(92, 99, 231, 0.12);
  color: var(--accent-strong);
  display: inline-grid;
  place-items: center;
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1;
}

.landing-guide-list strong {
  color: var(--accent-strong);
}

.landing-sample-grid {
  display: grid;
  gap: 12px;
}

.sample-card {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(146, 156, 239, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.84);
  color: inherit;
  display: grid;
  gap: 6px;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.sample-card:hover {
  transform: translateY(-1px);
  border-color: rgba(92, 99, 231, 0.24);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 22px rgba(92, 99, 231, 0.08);
}

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

.sample-card strong {
  font-size: 0.95rem;
  color: #474271;
}

.sample-card span {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #7d78a6;
}

.landing-runtime-badge {
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  flex: none;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.landing-runtime-badge.is-ready {
  background: rgba(227, 244, 233, 0.92);
  color: #2f8a54;
}

.landing-runtime-badge.is-pending {
  background: rgba(236, 238, 255, 0.92);
  color: var(--accent-strong);
}

.landing-runtime-badge.is-error {
  background: rgba(255, 235, 240, 0.92);
  color: #b44c70;
}

.landing-system > .landing-card-note {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(146, 156, 239, 0.14);
  background: rgba(255, 255, 255, 0.78);
}

.landing-system-list {
  display: grid;
  gap: 10px;
}

.landing-system-row {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid rgba(146, 156, 239, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
}

.landing-system-row:first-child {
  padding-top: 14px;
}

.landing-system-row span,
.landing-system-row strong {
  display: block;
}

.landing-system-row span {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #8b86b2;
}

.landing-system-row strong {
  font-size: 0.96rem;
  line-height: 1.45;
  color: #474271;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.composer {
  margin: 0 18px 18px;
  padding: 20px 22px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(247, 248, 255, 0.96), rgba(255, 255, 255, 0.94));
  border-color: rgba(143, 154, 238, 0.22);
}

.input-shell {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 18px;
  min-height: 128px;
  padding: 0;
  border: 0;
  background: transparent;
  transition:
    min-height 0.22s ease,
    padding 0.22s ease;
}

.input-shell.is-expanded {
  min-height: 172px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.input-shell textarea {
  width: 100%;
  min-height: 30px;
  max-height: 240px;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  color: #4b4670;
  line-height: 1.72;
  padding: 0;
  transition: height 0.18s ease;
}

.input-shell textarea::placeholder {
  color: #8e88b6;
}

.voice-status {
  min-height: 0;
  font-size: 0.82rem;
  color: #7f7aa8;
  line-height: 1.5;
  max-width: min(100%, 420px);
  text-align: right;
}

.voice-status.is-empty {
  display: none;
}

.voice-status.is-active {
  color: var(--accent-strong);
}

.voice-status.is-error {
  color: #b44c70;
}

.voice-button {
  width: 42px;
  min-width: 42px;
  min-height: 42px;
  padding: 0;
  border: 1px solid rgba(128, 138, 235, 0.2);
  border-radius: 999px;
  background: rgba(240, 242, 255, 0.82);
  color: #5f5aa0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

.voice-button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(92, 99, 231, 0.3);
  background: rgba(235, 238, 255, 0.94);
  box-shadow: 0 10px 20px rgba(92, 99, 231, 0.08);
}

.voice-button.is-listening {
  border-color: rgba(224, 96, 124, 0.28);
  background: rgba(255, 235, 240, 0.92);
  color: #b44c70;
  box-shadow: 0 0 0 6px rgba(224, 96, 124, 0.08);
}

.voice-button:disabled,
.voice-button.is-unsupported {
  opacity: 0.56;
  cursor: not-allowed;
  box-shadow: none;
}

.voice-button-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
}

.voice-button-icon svg {
  width: 100%;
  height: 100%;
}

.composer-actions {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(132, 141, 231, 0.12);
}

.action-cluster {
  min-width: 0;
  margin-left: auto;
  display: grid;
  justify-items: end;
  gap: 10px;
}

.action-buttons {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.count-shell {
  min-height: 0;
  padding: 0;
  display: inline-grid;
  gap: 8px;
  color: #6a6493;
  white-space: nowrap;
}

.count-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: #7a75a6;
}

.count-stepper {
  display: inline-grid;
  grid-template-columns: 42px minmax(62px, auto) 42px;
  align-items: center;
  gap: 8px;
}

.count-button {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(231, 235, 255, 0.98), rgba(246, 244, 255, 0.96));
  color: var(--accent-strong);
  display: inline-grid;
  place-items: center;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.count-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(92, 99, 231, 0.14);
}

.count-button:disabled {
  opacity: 0.42;
  cursor: default;
}

.count-button span {
  font-size: 1.3rem;
  line-height: 1;
}

.count-value {
  min-width: 62px;
  min-height: 42px;
  border-radius: 12px;
  background: rgba(240, 242, 255, 0.7);
  color: #4f4a7a;
  display: inline-grid;
  place-items: center;
  font-weight: 800;
}

.generate-button {
  min-width: 214px;
  min-height: 58px;
  padding: 0 20px 0 62px;
  border-radius: 16px;
  border: 0;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  box-shadow: 0 14px 30px rgba(93, 99, 190, 0.22);
  color: #fff;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.generate-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(93, 99, 190, 0.26);
}

.generate-button:disabled {
  cursor: wait;
}

.generate-button::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 48%, rgba(255, 255, 255, 0.1));
}

.generate-button .atom-loader {
  --atom-border: rgba(255, 255, 255, 0.34);
  --atom-glow: rgba(255, 255, 255, 0.28);
  opacity: 0.94;
  transition: transform 0.24s ease, opacity 0.24s ease, filter 0.24s ease;
}

.generate-button .atom-core {
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #ffe7ed 30%, #ffc9d4 58%, #ffffff 100%);
  box-shadow:
    0 0 0 calc(var(--atom-size) * 0.085) rgba(255, 255, 255, 0.16),
    0 0 calc(var(--atom-size) * 0.26) rgba(255, 255, 255, 0.22);
}

.generate-button.is-loading .atom-loader {
  opacity: 1;
  filter: drop-shadow(0 0 14px rgba(255, 255, 255, 0.32));
}

.button-label {
  font-size: 0.96rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

@keyframes result-card-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes atom-core-pulse {
  from {
    transform: scale(0.92);
  }

  to {
    transform: scale(1.1);
  }
}

@keyframes atom-orbit-a-spin {
  from {
    transform: rotate(10deg);
  }

  to {
    transform: rotate(370deg);
  }
}

@keyframes atom-orbit-b-spin {
  from {
    transform: rotate(72deg);
  }

  to {
    transform: rotate(-288deg);
  }
}

@keyframes atom-orbit-c-spin {
  from {
    transform: rotate(-58deg);
  }

  to {
    transform: rotate(302deg);
  }
}

@keyframes title-sheen {
  0% {
    transform: translateX(-135%) skewX(-18deg);
  }

  100% {
    transform: translateX(135%) skewX(-18deg);
  }
}

@media (max-width: 1180px) {
  .landing-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .landing-system {
    grid-column: 1 / -1;
  }

  .composer-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .action-cluster {
    width: 100%;
    justify-items: stretch;
  }

  .action-buttons {
    width: 100%;
    justify-content: flex-start;
  }

  .voice-status {
    max-width: none;
    text-align: left;
  }

  .count-shell {
    width: 100%;
  }

  .action-buttons .generate-button {
    width: auto;
    min-width: 0;
    flex: 1 1 auto;
  }
}

@media (max-width: 900px) {
  .page-shell {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    border-radius: 0;
    grid-template-columns: 1fr;
  }

  body.sidebar-open .page-shell,
  .page-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .topbar,
  .hero-panel {
    padding-left: 20px;
    padding-right: 20px;
  }

  .result-card {
    margin-left: 20px;
    margin-right: 20px;
  }

  .landing-panel {
    margin-left: 12px;
    margin-right: 12px;
    grid-template-columns: 1fr;
  }

  .landing-system {
    grid-column: auto;
  }

  .landing-samples .landing-card-head {
    grid-template-columns: 1fr;
  }

  .landing-samples .landing-kicker,
  .landing-samples .landing-card-note {
    white-space: normal;
  }

  .composer {
    margin-left: 12px;
    margin-right: 12px;
  }
}

@media (max-width: 760px) {
  .identity-copy h1,
  .hero-copy h2 {
    white-space: normal;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding-top: 30px;
  }

  .logo {
    width: 68px;
    height: 68px;
  }

  .hero-copy h2 {
    font-size: clamp(1.35rem, 7.4vw, 2.1rem);
    min-height: auto;
  }

  .result-card {
    min-height: 180px;
    padding: 0;
  }

  .generate-button {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}