:root {
  --bg: #fffaf1;
  --panel: #fffdf8;
  --ink: #18130f;
  --ink-soft: #4d4035;
  --line: #e6d8c9;
  --brand: #e7581a;
  --brand-dark: #b94410;
  --accent: #008a81;
  --accent-soft: #d9f6f4;
  --shadow: 0 14px 34px rgba(40, 22, 8, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Bricolage Grotesque", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 10%, #ffe6c7 0%, rgba(255, 230, 199, 0) 34%),
    radial-gradient(circle at 8% 88%, #d6f8f3 0%, rgba(214, 248, 243, 0) 28%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.45;
}

.ambient-shape {
  position: fixed;
  border-radius: 999px;
  filter: blur(32px);
  opacity: 0.4;
  pointer-events: none;
  z-index: -1;
}

.ambient-one {
  width: 220px;
  height: 220px;
  top: 14vh;
  right: 5vw;
  background: #ffa866;
  animation: drift-one 9s ease-in-out infinite;
}

.ambient-two {
  width: 280px;
  height: 280px;
  bottom: 8vh;
  left: 3vw;
  background: #76d9cf;
  animation: drift-two 11s ease-in-out infinite;
}

.topbar {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.18rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-logo {
  width: 350px;
  height: auto;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-copy {
  display: block;
}

.brand-mark {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(0.78rem, 1.2vw, 0.98rem);
  line-height: 1;
  color: #1b120d;
}

.brand-sub {
  display: block;
  font-size: 0.5rem;
  color: #897665;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.15;
  text-transform: uppercase;
}

.top-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-pill {
  color: #4e4034;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid #dbc7b7;
  background: rgba(255, 255, 255, 0.84);
  border-radius: 999px;
  padding: 0.42rem 0.82rem;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.nav-pill:hover {
  background: #fff2e5;
  border-color: #f0b485;
  transform: translateY(-1px);
}

.nav-pill-cta {
  color: #fff;
  border-color: #d64c10;
  background: linear-gradient(135deg, #f56624, #de3f00);
}

.nav-pill-cta:hover {
  background: linear-gradient(135deg, #e35a1d, #bf3600);
  border-color: #bf3600;
}

main {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.5rem 1.1rem 4rem;
}

.hero {
  padding: 0.65rem 0.2rem 1.05rem;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  padding: 0.28rem 0.72rem;
  border-radius: 999px;
  background: #ffe8d5;
  color: #8e3a15;
  font-weight: 700;
  font-size: 0.84rem;
}

.hero h1 {
  margin: 0.62rem 0 0;
  max-width: 14ch;
  font-size: clamp(2rem, 6vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 64ch;
  color: var(--ink-soft);
  margin-top: 0.7rem;
}

.panel {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 253, 248, 0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-top: 0.9rem;
}

.panel h2 {
  margin: 0;
}

.panel h3 {
  margin-top: 0;
}

.panel-head p {
  margin: 0.6rem 0 0;
  color: var(--ink-soft);
}

.controls-grid {
  margin-top: 1.15rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  font-weight: 600;
  color: #3c3228;
  min-width: 0;
}

select,
textarea,
input,
button {
  font-family: "IBM Plex Mono", monospace;
}

select,
textarea,
input {
  border: 1px solid #ccb9a8;
  border-radius: 12px;
  background: #fff;
  color: #241d17;
  padding: 0.72rem;
  font-size: 0.95rem;
  max-width: 100%;
}

textarea {
  resize: vertical;
  min-height: 300px;
}

.score-pill {
  min-width: 0;
  align-items: flex-start;
  justify-content: center;
  background: #fff3e6;
  border: 1px dashed #f0b07f;
  border-radius: 12px;
  padding: 0.7rem;
  overflow-wrap: anywhere;
}

.score-pill strong {
  display: block;
  margin-top: 0.2rem;
  line-height: 1.3;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.textareas-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.95rem;
}

.textareas-grid article {
  min-width: 0;
}

#sqlInput,
#sqlOutput {
  width: 100%;
}

#sqlInput {
  min-height: 210px;
}

#sqlOutput {
  min-height: 210px;
}

.action-row {
  margin-top: 0.95rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 0.67rem 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, #f56624, #de3f00);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e35a1d, #bf3600);
}

.btn-secondary {
  background: #e6fbf8;
  color: #025f59;
  border: 1px solid #8ed8cf;
}

.btn-ghost {
  background: transparent;
  border: 1px solid #c8b6a6;
  color: #5a4b3f;
}

.analysis-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0.9rem;
}

.lab-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.lab-page .lab-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.lab-card {
  margin-top: 0;
}

.page-intro h1 {
  max-width: 20ch;
}

.workspace-panel textarea {
  min-height: 220px;
}

.workspace-panel .controls-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.workspace-panel .score-pill {
  width: 100%;
}

.action-row .btn {
  max-width: 100%;
  white-space: normal;
  text-align: center;
}

.lab-copy {
  margin-top: 0.5rem;
  color: #5d4f43;
}

.guide-list {
  margin-top: 0.6rem;
  border: 1px solid #ecdccc;
  border-radius: 10px;
  background: #fffaf4;
  padding: 0.55rem;
}

.guide-list p {
  margin: 0.3rem 0;
  color: #514337;
}

.detail-grid {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.step-card {
  border-radius: 12px;
  border: 1px solid #e7d9cc;
  background: #fff;
  padding: 0.8rem;
}

.step-card h3 {
  margin: 0;
}

.step-card p {
  margin: 0.48rem 0 0;
  color: #4f4237;
}

.step-card .why {
  font-weight: 600;
}

.metrics-grid {
  margin-top: 0.65rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.55rem;
}

.metric-item {
  border: 1px solid #e7d9cc;
  border-radius: 10px;
  background: #fffaf4;
  padding: 0.5rem;
}

.metric-item strong {
  display: block;
  font-size: 1.1rem;
  color: #7b4d2f;
}

.metric-item span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.82rem;
  color: #5a4c40;
}

.builder-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.builder-card {
  margin-top: 0;
}

.builder-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.option-block {
  margin-top: 0.9rem;
  border: 1px solid #e8dacc;
  border-radius: 12px;
  background: #fff;
  padding: 0.75rem;
}

.option-block h4 {
  margin: 0 0 0.55rem;
}

.option-subblock {
  margin-top: 0.8rem;
}

.option-subblock h5 {
  margin: 0 0 0.5rem;
}

.compact-guide {
  margin-bottom: 0.55rem;
}

.hidden {
  display: none;
}

.stack-list {
  display: grid;
  gap: 0.6rem;
}

.inline-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
}

.condition-row {
  grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 1fr) auto auto;
}

#builderOutput {
  min-height: 130px;
}

.join-row {
  grid-template-columns: auto minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr) auto;
}

.order-row {
  grid-template-columns: minmax(0, 1.4fr) auto auto;
}

.builder-status {
  margin-top: 0.9rem;
}

#errorSqlInput,
#indexSqlInput,
#errorFixedOutput,
#formattedSqlOutput {
  min-height: 170px;
}

#customCompareTarget {
  min-height: 130px;
}

.tool-result-list {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.7rem;
}

.tool-card {
  border-radius: 12px;
  border: 1px solid #e4d6c7;
  padding: 0.75rem;
  background: #fff;
}

.tool-card h4 {
  margin: 0;
}

.tool-card p {
  margin: 0.45rem 0 0;
  color: #514337;
}

.tool-meta {
  margin-top: 0.55rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.83rem;
  border-radius: 8px;
  border: 1px solid #f0dfce;
  background: #fff8f0;
  padding: 0.5rem;
}

.chip-row {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.function-chip {
  padding: 0.42rem 0.72rem;
}

.equivalent-grid {
  margin-top: 0.65rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.equivalent-item {
  border: 1px solid #e7d9cc;
  border-radius: 10px;
  background: #fff;
  padding: 0.55rem;
}

.equivalent-item strong {
  display: block;
  color: #7b4d2f;
}

.equivalent-item span {
  display: block;
  margin-top: 0.3rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
}

.profile-panel ul {
  margin: 0.2rem 0 0;
  padding-left: 1.05rem;
}

.profile-panel li {
  margin-top: 0.4rem;
  color: var(--ink-soft);
}

.change-list {
  display: grid;
  gap: 0.75rem;
}

.change-card,
.warning-card {
  border-radius: 12px;
  border: 1px solid #e4d6c7;
  padding: 0.75rem;
  background: #fff;
}

.change-card h4,
.warning-card h4 {
  margin: 0;
}

.change-card p,
.warning-card p {
  margin: 0.44rem 0 0;
  color: #4e3f34;
}

.sample-diff {
  margin-top: 0.5rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  background: #fff8f0;
  border: 1px solid #f0dfce;
  border-radius: 8px;
  padding: 0.5rem;
}

.warning-card {
  border-color: #edbe80;
  background: #fff7e6;
}

.lint-card {
  border-width: 1px;
}

.lint-card-critical {
  border-color: #e58f8f;
  background: #fff5f5;
}

.lint-card-warning {
  border-color: #edbe80;
  background: #fff9ec;
}

.lint-card-info {
  border-color: #b8d9ee;
  background: #f3faff;
}

.severity-badge {
  display: inline-block;
  padding: 0.08rem 0.44rem;
  border-radius: 999px;
  font-size: 0.73rem;
  letter-spacing: 0.03em;
  margin-right: 0.3rem;
}

.severity-critical {
  color: #6d1414;
  background: #ffd8d8;
}

.severity-warning {
  color: #7e4d03;
  background: #ffe7bd;
}

.severity-info {
  color: #0d4f76;
  background: #d9ecf8;
}

.diff-block {
  margin-top: 0.75rem;
  border-radius: 12px;
  border: 1px solid #e4d6c7;
  background: #fff;
  padding: 0.75rem;
  line-height: 1.9;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
  word-break: break-word;
}

.diff-same {
  color: #4e3f34;
}

.diff-add {
  background: #ddf6de;
  color: #155a1d;
  border-radius: 4px;
  padding: 0.05rem 0.2rem;
}

.diff-remove {
  background: #ffdede;
  color: #8b1f1f;
  border-radius: 4px;
  padding: 0.05rem 0.2rem;
  text-decoration: line-through;
}

.empty-state {
  color: #756557;
}

.feature-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.feature-grid article {
  border-radius: 12px;
  padding: 0.9rem;
  border: 1px solid #e8dbcf;
  background: #fff;
}

.feature-grid p {
  margin: 0.42rem 0 0;
  color: #4c4035;
}

.feature-grid .why {
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 0.8rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid #e3d4c5;
  padding: 0.65rem;
}

th {
  color: #7b4d2f;
  background: #fff3e8;
}

footer {
  max-width: 1140px;
  margin: 1rem auto 2.4rem;
  padding: 0 1.1rem;
  color: #6e6052;
}

footer p {
  margin: 0.36rem 0;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-weight: 600;
}

.legal-links a {
  color: #7b4d2f;
  text-decoration: none;
}

.legal-links a:hover,
.legal-links a:focus-visible {
  text-decoration: underline;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

@keyframes drift-one {
  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-22px);
  }
}

@keyframes drift-two {
  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(20px);
  }
}

@media (max-width: 980px) {
  .controls-grid,
  .feature-grid,
  .lab-grid,
  .detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .builder-grid,
  .builder-form-grid,
  .inline-row,
  .condition-row {
    grid-template-columns: 1fr;
  }

  .analysis-grid,
  .textareas-grid,
  .equivalent-grid {
    grid-template-columns: 1fr;
  }

  .workspace-panel .controls-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .brand-logo {
    width: 136px;
    height: auto;
  }

  .controls-grid,
  .feature-grid,
  .lab-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .builder-grid,
  .builder-form-grid,
  .inline-row,
  .condition-row {
    grid-template-columns: 1fr;
  }

  .action-row .btn {
    width: 100%;
  }

  .hero h1 {
    max-width: 100%;
  }

  .panel {
    padding: 1rem;
  }
}