:root {
  --page-bg: #f3efe6;
  --page-ink: #1b2430;
  --muted-ink: #596579;
  --panel-bg: rgba(255, 252, 247, 0.92);
  --panel-border: rgba(73, 87, 108, 0.14);
  --panel-shadow: 0 28px 70px rgba(31, 43, 62, 0.12);
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --accent-warm: #b45309;
  --warning-bg: #fff4db;
  --warning-border: rgba(180, 83, 9, 0.24);
  --error-bg: #ffe1dd;
  --error-border: rgba(190, 24, 93, 0.22);
  --idle-bg: rgba(15, 118, 110, 0.08);
  --loading-bg: rgba(14, 116, 144, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--page-ink);
  background:
    radial-gradient(circle at top left, rgba(180, 83, 9, 0.12), transparent 28%),
    radial-gradient(circle at right 20%, rgba(15, 118, 110, 0.12), transparent 24%),
    linear-gradient(180deg, #fbf8f3 0%, #f3efe6 58%, #ece5da 100%);
  font-family: "Avenir Next", "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(27, 36, 48, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 36, 48, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.3), transparent 88%);
}

.dashboard-shell {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
  display: grid;
  gap: 20px;
}

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  border-radius: 30px;
  background: var(--panel-bg);
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(12px);
  animation: panel-in 420ms ease both;
}

.panel::after {
  content: "";
  position: absolute;
  inset: auto -34px -42px auto;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.08), rgba(15, 118, 110, 0.08));
}

.hero,
.control-panel,
.summary-panel,
.output-panel {
  padding: 28px;
}

.hero-copy,
.hero-highlights,
.workspace-grid,
.results-stack,
.metric-grid {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  gap: 20px;
}

.eyebrow,
.panel-kicker,
.metric-card span,
button,
label span,
.advanced-controls summary {
  font-family: "IBM Plex Sans KR", "Avenir Next", "Apple SD Gothic Neo", sans-serif;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  color: var(--accent);
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-family: "Avenir Next Condensed", "Avenir Next", "Apple SD Gothic Neo", sans-serif;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
}

h2 {
  font-size: 1.45rem;
  line-height: 1.1;
}

h3,
h4 {
  font-size: 1rem;
}

.lede,
.panel-copy,
.hint,
.input-examples,
.advanced-copy,
.status,
.status-banner {
  color: var(--muted-ink);
  line-height: 1.6;
}

.hero-highlights {
  display: grid;
  gap: 12px;
}

.highlight-card,
.analysis-item,
.metric-card {
  border-radius: 22px;
  border: 1px solid rgba(73, 87, 108, 0.1);
  background: rgba(255, 255, 255, 0.62);
}

.highlight-card {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
}

.highlight-card span {
  font-size: 0.84rem;
  color: var(--muted-ink);
}

.highlight-card strong {
  font-size: 1rem;
}

.workspace-grid {
  display: grid;
  gap: 20px;
}

.results-stack,
.dashboard-sections {
  display: grid;
  gap: 18px;
}

.panel-heading {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.field-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

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

.field-primary input {
  min-height: 64px;
  font-size: 1.08rem;
}

.input-examples {
  margin-top: 10px;
  font-size: 0.92rem;
}

.input-examples code {
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-strong);
}

.field-textarea {
  margin-top: 16px;
}

input,
select,
textarea,
button {
  border-radius: 18px;
  border: 1px solid rgba(73, 87, 108, 0.16);
  padding: 14px 16px;
  font: inherit;
  color: var(--page-ink);
  background: rgba(255, 251, 246, 0.92);
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

input:focus,
select:focus,
textarea:focus,
button:focus,
.advanced-controls summary:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.46);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

textarea,
pre {
  width: 100%;
  resize: vertical;
}

.form-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

button {
  border: none;
  min-width: 190px;
  cursor: pointer;
  font-weight: 700;
  color: #f8fffe;
  background: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent) 100%);
  box-shadow: 0 18px 32px rgba(15, 118, 110, 0.2);
}

button:hover {
  transform: translateY(-1px);
}

.advanced-controls,
.advanced-output-panels {
  margin-top: 18px;
  padding: 16px;
  border-radius: 24px;
  border: 1px solid rgba(73, 87, 108, 0.12);
  background: rgba(255, 249, 240, 0.76);
}

.advanced-controls summary,
.advanced-output-panels summary {
  cursor: pointer;
  font-weight: 700;
}

.advanced-controls[open] summary,
.advanced-output-panels[open] summary {
  margin-bottom: 16px;
}

.advanced-copy {
  margin: 0 0 16px;
  max-width: 60ch;
}

.metric-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: 16px;
}

.metric-card {
  padding: 18px;
  display: grid;
  gap: 10px;
}

.metric-card strong {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.1;
}

.metric-card.accent {
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.12), rgba(255, 255, 255, 0.92));
}

.status-banner,
.status {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid transparent;
  white-space: pre-wrap;
}

.status-banner {
  margin-top: 0;
  background: var(--idle-bg);
}

.status-banner.is-loading {
  background: var(--loading-bg);
  color: #0f766e;
}

.status-banner.is-success {
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
}

.status-banner.is-error {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: #9f1239;
}

.warnings {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: #9a3412;
}

.error {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: #9f1239;
}

.detail-block {
  display: grid;
  gap: 12px;
}

.detail-heading {
  position: relative;
  z-index: 1;
}

.analysis-list,
pre {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(73, 87, 108, 0.1);
  background: rgba(255, 255, 255, 0.68);
  color: var(--page-ink);
  overflow: auto;
}

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

.analysis-group {
  display: grid;
  gap: 10px;
}

.analysis-item {
  padding: 14px 16px;
  display: grid;
  gap: 8px;
}

.analysis-item span {
  font-size: 0.82rem;
  color: var(--muted-ink);
}

.analysis-item strong {
  font-size: 0.98rem;
  line-height: 1.45;
}

.analysis-item.is-empty strong {
  font-weight: 500;
}

.advanced-output-panels {
  margin-top: 0;
}

.advanced-output-panels section + section {
  margin-top: 14px;
}

@media (min-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.9fr);
    align-items: end;
  }

  .workspace-grid {
    grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
  }
}

@media (max-width: 640px) {
  .dashboard-shell {
    width: min(100%, calc(100% - 20px));
    padding: 18px 0 32px;
  }

  .hero,
  .control-panel,
  .summary-panel,
  .output-panel,
  .advanced-output-panels {
    padding: 20px;
  }

  .form-actions {
    align-items: stretch;
  }

  button {
    width: 100%;
  }
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

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