:root {
  --bg: #f4f1e8;
  --bg-2: #edf3f2;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: #ffffff;
  --ink: #10202d;
  --muted: #5c6c7a;
  --muted-2: #7a8794;
  --border: rgba(16, 32, 45, 0.14);
  --border-strong: rgba(16, 32, 45, 0.22);
  --accent: #0f766e;
  --accent-2: #d97706;
  --accent-3: #2563eb;
  --danger: #b42318;
  --shadow: 0 24px 60px rgba(16, 32, 45, 0.11);
  --shadow-deep: 0 28px 80px rgba(16, 32, 45, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.09), transparent 24%),
    linear-gradient(180deg, #fbfaf6 0%, #f3efe4 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0) 40%),
    radial-gradient(circle at bottom right, rgba(217, 119, 6, 0.08), transparent 24%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(16, 32, 45, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 32, 45, 0.02) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.45;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 85%);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1360px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

.hero {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-topline {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--accent);
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: rgba(15, 118, 110, 0.08);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(16, 32, 45, 0.12);
  background: rgba(255, 255, 255, 0.68);
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 18px;
  margin-top: 18px;
  align-items: end;
}

.headline-block h1 {
  margin: 0;
  font-size: 3.2rem;
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.lede {
  max-width: 820px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.meta-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
}

.meta-card strong {
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.meta-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}

.editor-panel,
.summary-panel {
  display: grid;
  gap: 18px;
}

.summary-panel {
  position: sticky;
  top: 18px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.toolbar-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn,
.file-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.44) inset;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.btn:hover,
.file-trigger:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.72);
}

.btn.danger {
  color: #fff;
  border-color: rgba(180, 35, 24, 0.2);
  background: var(--danger);
}

.file-trigger {
  position: relative;
  overflow: hidden;
  gap: 8px;
  font-weight: 600;
}

.file-trigger input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.input-shell,
.section {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.input-shell {
  display: grid;
  gap: 14px;
  padding: 18px;
  min-height: 560px;
}

.input-shell-header,
.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.input-shell-header h2,
.section-head h2,
.special-column h3,
.info-block h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.input-shell-header p,
.section-head p,
.special-column p,
.info-block p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.source-label {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  color: var(--accent);
  background: rgba(15, 118, 110, 0.08);
  font-size: 0.9rem;
}

#textInput {
  width: 100%;
  flex: 1;
  min-height: 430px;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  resize: vertical;
  color: var(--ink);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 247, 241, 0.96));
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.98rem;
  line-height: 1.75;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

#textInput:focus {
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.08);
}

.input-shell.is-dragover {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08), var(--shadow);
}

.input-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted-2);
  font-size: 0.9rem;
}

.section {
  padding: 18px;
}

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

.metric {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.84);
}

.metric-label {
  color: var(--muted);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric strong {
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.metric-sub {
  color: var(--muted-2);
  font-size: 0.9rem;
  line-height: 1.5;
}

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

.warning-section {
  border-color: rgba(180, 35, 24, 0.18);
  background:
    radial-gradient(circle at top left, rgba(180, 35, 24, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(220, 38, 38, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(255, 248, 247, 0.98), rgba(255, 242, 240, 0.94));
  box-shadow: 0 28px 80px rgba(180, 35, 24, 0.13);
}

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

.warning-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(180, 35, 24, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 246, 244, 0.96));
  box-shadow: 0 20px 48px rgba(180, 35, 24, 0.13);
  position: relative;
}

.warning-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 18px;
  pointer-events: none;
  box-shadow:
    0 0 0 1px rgba(180, 35, 24, 0.08),
    0 16px 40px rgba(180, 35, 24, 0.18),
    0 0 24px rgba(239, 68, 68, 0.08);
}

.warning-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.warning-card-top h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.warning-card-top p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.warning-card-top strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  min-height: 54px;
  padding: 0 12px;
  border-radius: 16px;
  color: #8f1111;
  border: 1px solid rgba(180, 35, 24, 0.2);
  background: linear-gradient(180deg, rgba(255, 230, 228, 0.96), rgba(255, 243, 242, 0.98));
  box-shadow:
    0 0 0 4px rgba(180, 35, 24, 0.06),
    0 14px 26px rgba(180, 35, 24, 0.12);
  font-size: 1.5rem;
  line-height: 1;
}

.warning-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.warning-stats span {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(180, 35, 24, 0.16);
  background: rgba(255, 236, 234, 0.82);
  color: #7f1d1d;
  font-size: 0.88rem;
}

.warning-stats strong {
  color: #991b1b;
  font-size: 1rem;
}

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

.warning-item {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(180, 35, 24, 0.12);
  background: rgba(255, 255, 255, 0.92);
}

.warning-item-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.warning-item-title {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-weight: 700;
}

.warning-item-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  color: #8f1111;
  border: 1px solid rgba(180, 35, 24, 0.18);
  background: rgba(255, 235, 233, 0.9);
  font-size: 0.82rem;
}

.warning-item-text {
  margin: 0;
  color: var(--ink);
  line-height: 1.6;
}

.warning-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.warning-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #7f1d1d;
  border: 1px solid rgba(180, 35, 24, 0.14);
  background: rgba(255, 244, 243, 0.9);
  font-size: 0.82rem;
}

.info-block {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.84);
}

.mini-stats {
  display: grid;
  gap: 12px;
  margin: 0;
}

.mini-stats div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(16, 32, 45, 0.08);
}

.mini-stats div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.mini-stats dt {
  color: var(--muted);
}

.mini-stats dd {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--ink);
}

.special-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.special-column {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.84);
}

.item-list,
.top-words-list {
  display: grid;
  gap: 10px;
}

.item-row {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(16, 32, 45, 0.1);
  background: rgba(244, 247, 249, 0.72);
}

.item-row-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.item-row-title {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-weight: 700;
}

.glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
  padding: 0 10px;
  border-radius: 12px;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--accent);
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: rgba(15, 118, 110, 0.08);
}

.codepoint {
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
}

.item-row-note {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

.item-row-empty {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px dashed rgba(16, 32, 45, 0.14);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.48);
}

.word-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(16, 32, 45, 0.1);
  background: rgba(244, 247, 249, 0.72);
}

.word-row strong {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: -0.02em;
}

.word-row span {
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.empty-state {
  padding: 14px;
  border-radius: 14px;
  border: 1px dashed rgba(16, 32, 45, 0.14);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.52);
}

@media (max-width: 1120px) {
  .hero-copy,
  .workspace,
  .special-grid,
  .warning-grid {
    grid-template-columns: 1fr;
  }

  .summary-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 18px 12px 28px;
  }

  .hero {
    padding: 18px;
    border-radius: 22px;
  }

  .headline-block h1 {
    font-size: 2.35rem;
  }

  .hero-meta,
  .metric-grid,
  .analysis-grid,
  .warning-grid {
    grid-template-columns: 1fr;
  }

  .input-shell,
  .section {
    padding: 14px;
    border-radius: 20px;
  }

  #textInput {
    min-height: 340px;
    font-size: 0.94rem;
  }

  .toolbar {
    align-items: stretch;
  }

  .toolbar-group {
    width: 100%;
  }

  .toolbar-group .btn,
  .toolbar-group .file-trigger {
    flex: 1 1 auto;
  }
}