:root {
  --bg: #f4efe7;
  --bg-deep: #dfd0bb;
  --surface: rgba(255, 252, 247, 0.7);
  --surface-strong: #fffaf2;
  --text: #1f1a17;
  --muted: #695d54;
  --line: rgba(31, 26, 23, 0.12);
  --accent: #ca4522;
  --accent-soft: #f3c8ad;
  --accent-alt: #1e5867;
  --shadow: 0 22px 55px rgba(75, 41, 11, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(202, 69, 34, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(30, 88, 103, 0.18), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, #efe4d4 45%, var(--bg-deep) 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(31, 26, 23, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 26, 23, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  content: "";
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
a {
  font: inherit;
}

code {
  padding: 0.15rem 0.35rem;
  border-radius: 999px;
  background: rgba(31, 26, 23, 0.08);
}

.hidden {
  display: none !important;
}

.page-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 40px;
}

.hero::after {
  position: absolute;
  right: -100px;
  top: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(202, 69, 34, 0.18), rgba(30, 88, 103, 0.22));
  content: "";
}

.eyebrow,
.section-label,
.slot-index {
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow,
.section-label {
  margin: 0 0 10px;
  color: var(--accent-alt);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero h1,
.panel h2,
.channel-card h3,
.meter-card h3 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.92;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 28px;
}

.primary-button,
.secondary-link,
.secondary-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.primary-button {
  border: none;
  background: var(--text);
  color: #fffaf2;
  font-weight: 700;
  cursor: pointer;
}

.primary-button:hover,
.primary-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible,
.secondary-link:hover,
.secondary-link:focus-visible {
  transform: translateY(-1px);
}

.primary-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.secondary-link {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 250, 242, 0.85);
}

.secondary-button {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 250, 242, 0.85);
  cursor: pointer;
}

main {
  margin-top: 24px;
}

.panel {
  padding: 28px;
}

.panel + .panel,
.results {
  margin-top: 20px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
  margin-bottom: 24px;
}

.panel h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1;
}

.channels-panel h2 {
  font-size: var(--channels-heading-size);
  white-space: nowrap;
}

.panel-note,
.message-text,
.summary-copy p,
.channel-reason,
.meter-card p,
.status-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.channel-slot {
  display: grid;
  gap: 8px;
}

.slot-index {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
}

.channel-input {
  width: 100%;
  min-height: 58px;
  padding: 16px 18px;
  border: 1px solid rgba(31, 26, 23, 0.14);
  border-radius: var(--radius-sm);
  background: rgba(255, 250, 242, 0.82);
  color: var(--text);
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.channel-input:focus {
  border-color: rgba(202, 69, 34, 0.55);
  box-shadow: 0 0 0 4px rgba(202, 69, 34, 0.12);
  transform: translateY(-1px);
}

.form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

.message-panel {
  background: rgba(255, 250, 242, 0.92);
}

.message-text {
  font-size: 1.02rem;
}

.save-debug {
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(30, 88, 103, 0.18);
  border-radius: 14px;
  background: rgba(255, 250, 242, 0.9);
}

.save-debug[data-variant="error"] {
  border-color: rgba(202, 69, 34, 0.35);
  background: rgba(81, 24, 18, 0.92);
}

.save-debug-status {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
}

.save-debug[data-variant="error"] .save-debug-status {
  color: #fff1eb;
}

.save-debug-detail {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: "Space Grotesk", "Consolas", monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.save-debug[data-variant="error"] .save-debug-detail {
  color: #ffddd1;
}

.error-panel {
  background: rgba(44, 18, 18, 0.92);
  border-color: rgba(202, 69, 34, 0.3);
}

.error-panel .section-label {
  color: #ffb8a0;
}

.error-text {
  margin: 0;
  color: #fff1eb;
  font-family: "Space Grotesk", "Consolas", monospace;
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

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

.summary-panel {
  overflow: hidden;
}

.channels-panel {
  --channels-heading-size: clamp(1.45rem, 2.2vw, 2.35rem);
  --channels-head-margin: 24px;
  --channels-grid-gap: 16px;
  --channels-card-radius: var(--radius-md);
  --channels-thumb-ratio: 1 / 1;
  --channels-card-copy-gap: 10px;
  --channels-card-copy-padding: 18px;
  --channels-title-size: 1.5rem;
  --channels-title-line: 1.05;
  --channels-meta-gap: 12px;
  --channels-meta-padding-top: 10px;
  --channels-dt-size: 0.78rem;
  --channels-dd-size: 1rem;
  --channels-note-size: 0.72rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--channels-grid-gap);
}

.channel-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--channels-card-radius);
  background: rgba(255, 250, 242, 0.85);
}

.channel-card img {
  width: 100%;
  aspect-ratio: var(--channels-thumb-ratio);
  object-fit: cover;
  background: linear-gradient(135deg, rgba(202, 69, 34, 0.18), rgba(30, 88, 103, 0.18));
}

.channel-card-copy {
  display: grid;
  gap: var(--channels-card-copy-gap);
  padding: var(--channels-card-copy-padding);
}

.channel-card h3 {
  font-size: var(--channels-title-size);
  line-height: var(--channels-title-line);
}

.channel-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--channels-meta-gap);
  margin: 6px 0 0;
}

.channel-meta div {
  padding-top: var(--channels-meta-padding-top);
  border-top: 1px solid var(--line);
}

.channel-meta dt {
  color: var(--muted);
  font-size: var(--channels-dt-size);
}

.channel-meta dd {
  margin: 4px 0 0;
  font-size: var(--channels-dd-size);
  font-weight: 700;
}

@media (max-width: 960px) {
  .channel-grid,
  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel-head,
  .form-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    padding: 18px 0 40px;
  }

  .hero,
  .panel {
    padding: 20px;
    border-radius: 22px;
  }

  .hero-actions,
  .form-footer {
    width: 100%;
  }

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

  .primary-button,
  .secondary-link {
    width: 100%;
  }

  .channel-grid,
  .result-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .channels-panel .result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .channels-panel .channel-card-copy {
    gap: 8px;
    padding: 12px;
  }

  .channels-panel .channel-card h3 {
    font-size: 1rem;
    line-height: 1.15;
  }

  .channels-panel .channel-meta {
    gap: 8px;
  }

  .channels-panel .channel-meta dt {
    font-size: 0.68rem;
  }

  .channels-panel .channel-meta dd {
    font-size: 0.95rem;
  }
}

@media (max-width: 640px) {
  .channels-panel {
    padding: 14px;
  }

  .channels-panel .panel-head {
    margin-bottom: var(--channels-head-margin);
  }

  .channels-panel h2 {
    font-size: 1.05rem;
    white-space: normal;
    line-height: 1.2;
  }

  .channels-panel .result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .channels-panel .channel-card {
    border-radius: 14px;
  }

  .channels-panel .channel-card-copy {
    gap: 6px;
    padding: 10px;
  }

  .channels-panel .channel-card h3 {
    font-size: 0.88rem;
    line-height: 1.15;
  }

  .channels-panel .channel-meta {
    gap: 6px;
  }

  .channels-panel .channel-meta dt {
    font-size: 0.6rem;
  }

  .channels-panel .channel-meta dd {
    font-size: 0.8rem;
  }
}