:root {
  --bg: #0d1320;
  --panel: rgba(18, 24, 39, 0.82);
  --panel-strong: #111827;
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #f8fafc;
  --muted: #97a2b8;
  --warm: #ffd23f;
  --sky: #6ab7ff;
  --rose: #ff8ab9;
  --good: #10b981;
  --warn: #eab308;
  --fix: #f43f5e;
  --accent: #7c5cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family:
    "Avenir Next",
    "Segoe UI",
    "Helvetica Neue",
    Arial,
    sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 210, 63, 0.12), transparent 22%),
    radial-gradient(circle at top right, rgba(106, 183, 255, 0.14), transparent 26%),
    radial-gradient(circle at center top, rgba(255, 138, 185, 0.08), transparent 30%),
    linear-gradient(180deg, #172135 0%, #0c121d 100%);
}

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

button,
textarea,
input {
  font: inherit;
}

.demo-shell {
  min-height: 100vh;
  padding: 24px;
}

.demo-topbar,
.hero-card,
.workspace-shell,
.panel-card,
.match-summary-card,
.guided-card {
  border: 1px solid var(--panel-border);
  background: rgba(17, 24, 39, 0.84);
  backdrop-filter: blur(16px);
  box-shadow:
    0 22px 64px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.demo-topbar {
  max-width: 1200px;
  margin: 0 auto 24px;
  padding: 18px 22px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 9999px;
  border: 2px solid #080b12;
  background: linear-gradient(180deg, #ffc93a 0%, #ffbd2f 52%, #f3a80a 100%);
  color: #080b12;
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 245, 198, 0.38);
}

.brand-mark svg {
  width: 30px;
  height: 30px;
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-wordmark {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(100deg, #ffd23f 0%, #f6cf71 18%, #ffcf5a 32%, #9bd3ff 66%, #67b6ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-subtitle,
.topbar-links {
  color: var(--muted);
}

.app-frame {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.hero-card,
.workspace-shell {
  border-radius: 32px;
  padding: 28px;
}

.hero-card h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.hero-copy {
  max-width: 46rem;
  margin: 16px 0 0;
  color: #c8d2e4;
  font-size: 1.05rem;
  line-height: 1.8;
}

.eyebrow {
  margin: 0 0 12px;
  color: #9fb5d6;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow.small {
  margin-bottom: 6px;
  font-size: 0.72rem;
}

.note-grid,
.review-grid {
  display: grid;
  gap: 16px;
}

.note-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.note-card {
  border-radius: 22px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.note-card h2 {
  margin: 0 0 8px;
  font-size: 0.9rem;
  color: #dbe8ff;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.note-card p {
  margin: 0;
  color: #c8d2e4;
  line-height: 1.7;
}

.input-mode,
.tab-row,
.preset-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.input-mode {
  margin-bottom: 18px;
}

.mode-button,
.tab-button,
.preset-pill,
.ghost-button {
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #dce6f7;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 10px 14px;
  cursor: pointer;
  transition: 160ms ease;
}

.mode-button.active,
.tab-button.active {
  background: white;
  color: #111827;
}

.workspace-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.workspace-header h2,
.panel-head h3,
.guided-header h3,
.match-summary-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.workspace-header p,
.muted-copy {
  margin: 6px 0 0;
  color: #c8d2e4;
  line-height: 1.7;
}

.tab-row {
  margin-bottom: 18px;
}

.workspace-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.workspace-note {
  border-radius: 20px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.workspace-note p:last-child {
  margin: 0;
  color: #c8d2e4;
  line-height: 1.7;
}

.tab-panel {
  display: none;
}

.tab-panel.active,
.upload-view {
  display: block;
}

.hidden {
  display: none !important;
}

.panel-card,
.match-summary-card,
.guided-card {
  border-radius: 26px;
  padding: 20px;
}

.field-label {
  display: block;
  margin-bottom: 10px;
  color: #e4ebfb;
  font-size: 0.95rem;
  font-weight: 600;
}

.upload-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 180px;
  border-radius: 22px;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  text-align: center;
  padding: 20px;
}

.file-name {
  font-size: 1rem;
  font-weight: 600;
  color: #f8fafc;
}

.file-help {
  color: var(--muted);
  line-height: 1.6;
}

.text-area,
.editor-textarea {
  width: 100%;
  border: 0;
  outline: none;
  resize: vertical;
  border-radius: 18px;
  padding: 16px 18px;
  color: #0f1728;
  background: #fdfdfd;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.text-area {
  min-height: 160px;
}

.text-area.tall {
  min-height: 240px;
}

.text-area.compact {
  min-height: 90px;
  color: #0f1728;
}

.editor-textarea {
  min-height: 520px;
  font-size: 0.97rem;
  line-height: 1.8;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 14px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.toolbar-button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  color: #f8fafc;
  cursor: pointer;
  transition: 160ms ease;
}

.toolbar-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

.actions-row,
.guided-controls {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.actions-row {
  margin-top: 18px;
}

.primary-button,
.wide-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  border: 0;
  border-radius: 16px;
  padding: 0 18px;
  font-weight: 600;
  color: white;
  background: linear-gradient(102deg, var(--warm), var(--rose), var(--accent));
  box-shadow: 0 16px 30px rgba(124, 92, 255, 0.26);
  cursor: pointer;
}

.wide-button {
  width: 100%;
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.match-summary-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.tone-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
}

.tone-good {
  background: rgba(16, 185, 129, 0.18);
  color: #bff9df;
}

.tone-medium {
  background: rgba(234, 179, 8, 0.16);
  color: #fde68a;
}

.tone-low {
  background: rgba(244, 63, 94, 0.16);
  color: #fecdd3;
}

.guided-card {
  margin-top: 16px;
}

.guided-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.guided-controls {
  align-items: stretch;
}

.guided-controls .primary-button {
  min-width: 152px;
}

.guided-result {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.guided-block,
.change-card,
.review-card,
.keyword-chip {
  border-radius: 20px;
}

.guided-block,
.change-card,
.review-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
}

.change-grid {
  display: grid;
  gap: 12px;
}

.review-grid {
  grid-template-columns: 1.35fr 0.65fr;
  margin-top: 16px;
}

.review-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.review-card.good {
  border-color: rgba(16, 185, 129, 0.26);
  background: rgba(16, 185, 129, 0.08);
}

.review-card.warn {
  border-color: rgba(234, 179, 8, 0.24);
  background: rgba(234, 179, 8, 0.08);
}

.review-card.fix {
  border-color: rgba(244, 63, 94, 0.26);
  background: rgba(244, 63, 94, 0.08);
}

.review-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.review-type-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.review-type-pill.good {
  background: rgba(16, 185, 129, 0.18);
  color: #bff9df;
}

.review-type-pill.warn {
  background: rgba(234, 179, 8, 0.18);
  color: #fde68a;
}

.review-type-pill.fix {
  background: rgba(244, 63, 94, 0.18);
  color: #fecdd3;
}

.review-line {
  margin: 12px 0 0;
  font-weight: 600;
  line-height: 1.65;
}

.review-reason,
.review-suggestion,
.change-card p,
.guided-block p {
  margin: 10px 0 0;
  color: #d4ddee;
  line-height: 1.7;
}

.review-suggestion strong,
.change-card strong,
.guided-block strong {
  color: #f8fafc;
}

.review-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.inline-button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  color: #f8fafc;
  cursor: pointer;
}

.inline-button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.keyword-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  color: #d7e2f5;
}

.preview-paper {
  border-radius: 24px;
  background: #ffffff;
  padding: 28px;
  min-height: 520px;
}

.preview-text {
  margin: 0;
  color: #0f1728;
  font-family:
    "Avenir Next",
    "Segoe UI",
    "Helvetica Neue",
    Arial,
    sans-serif;
  line-height: 1.75;
}

.preview-text p {
  margin: 0 0 1rem;
}

.preview-text p:last-child {
  margin-bottom: 0;
}

.preview-centered {
  text-align: center;
}

.preview-text ul {
  margin: 0 0 1rem 1.3rem;
  padding: 0;
}

.preview-text li {
  margin: 0.25rem 0;
}

.legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.legend-dot.good {
  background: var(--good);
}

.legend-dot.warn {
  background: var(--warn);
}

.legend-dot.fix {
  background: var(--fix);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.error-message {
  margin-top: 12px;
  color: #fecdd3;
}

@media (max-width: 980px) {
  .note-grid,
  .review-grid,
  .workspace-note-grid,
  .guided-header,
  .guided-controls,
  .workspace-header {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  .demo-shell {
    padding: 16px;
  }

  .demo-topbar,
  .hero-card,
  .workspace-shell {
    padding: 20px;
    border-radius: 24px;
  }

  .hero-card h1 {
    font-size: 2.2rem;
  }

  .brand-wordmark {
    font-size: 1.4rem;
  }
}