:root {
  --bg: #f4efe5;
  --bg-accent: #dce9ec;
  --panel: rgba(255, 250, 241, 0.82);
  --panel-strong: rgba(255, 248, 235, 0.94);
  --ink: #182231;
  --muted: #57677b;
  --line: rgba(24, 34, 49, 0.14);
  --brand: #c4572c;
  --brand-deep: #8d3410;
  --cool: #0a7f92;
  --ok: #146c43;
  --warn: #b35612;
  --danger: #8e2331;
  --shadow: 0 24px 80px rgba(24, 34, 49, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --mono: "IBM Plex Mono", monospace;
  --display: "Bricolage Grotesque", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--display);
  background:
    radial-gradient(circle at 0% 0%, rgba(196, 87, 44, 0.24), transparent 34%),
    radial-gradient(circle at 100% 10%, rgba(10, 127, 146, 0.2), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(255, 189, 120, 0.2), transparent 24%),
    linear-gradient(180deg, var(--bg-accent), var(--bg));
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
}

.page-shell {
  width: min(1200px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-meta,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chip,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 0.8rem;
  border: 1px solid rgba(24, 34, 49, 0.08);
  background: rgba(255, 255, 255, 0.58);
}

.chip-muted {
  color: var(--muted);
}

.hero,
.workspace,
.notes {
  display: grid;
  gap: 20px;
}

.hero {
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.9fr);
  margin-bottom: 24px;
}

.hero-copy,
.hero-panel,
.panel,
.note-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  animation: rise-in 480ms ease both;
}

.hero-copy {
  padding: 34px;
}

.hero-copy::after,
.hero-panel::after,
.panel::after,
.note-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.32), transparent 46%);
  pointer-events: none;
}

.hero-panel {
  padding: 28px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 10px;
  color: var(--brand-deep);
  font-family: var(--mono);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 16px;
  max-width: 12ch;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.98;
}

.hero-text,
.hero-panel p,
.note-card p,
.summary-card,
.release-list,
.summary-list {
  color: var(--muted);
}

.hero-text {
  max-width: 60ch;
  margin: 0 0 24px;
  font-size: 1.04rem;
  line-height: 1.6;
}

.release-list,
.summary-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.6;
}

.release-list li + li,
.summary-list li + li {
  margin-top: 8px;
}

.action-button,
.file-picker span,
.dropzone {
  border: 0;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.action-button {
  padding: 13px 18px;
  background: var(--brand);
  color: white;
  box-shadow: 0 16px 34px rgba(196, 87, 44, 0.22);
}

.action-button:hover,
.file-picker span:hover,
.dropzone:hover {
  transform: translateY(-1px);
}

.action-button-secondary {
  background: var(--cool);
  box-shadow: 0 16px 34px rgba(10, 127, 146, 0.2);
}

.action-button-ghost {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  box-shadow: none;
}

.workspace {
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  margin-bottom: 24px;
}

.panel {
  padding: 24px;
}

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

.panel-head h2,
.note-card h3 {
  margin: 0;
  font-size: 1.5rem;
}

.file-picker {
  position: relative;
}

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

.file-picker span {
  display: inline-flex;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.dropzone {
  display: grid;
  width: 100%;
  padding: 28px 22px;
  margin-bottom: 18px;
  text-align: left;
  border: 1px dashed rgba(24, 34, 49, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 250, 241, 0.94)),
    linear-gradient(135deg, rgba(10, 127, 146, 0.08), rgba(196, 87, 44, 0.08));
}

.dropzone.drag-active {
  border-color: rgba(10, 127, 146, 0.5);
  background:
    linear-gradient(135deg, rgba(217, 244, 247, 0.92), rgba(255, 247, 235, 0.94)),
    linear-gradient(135deg, rgba(10, 127, 146, 0.12), rgba(196, 87, 44, 0.1));
}

.dropzone-title {
  color: var(--ink);
  font-weight: 700;
}

.dropzone-text {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.96rem;
}

.editor-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

textarea {
  width: 100%;
  min-height: 620px;
  resize: vertical;
  padding: 18px;
  border: 1px solid rgba(24, 34, 49, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(248, 244, 236, 0.92);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.55;
}

textarea:focus-visible,
.action-button:focus-visible,
.file-picker input:focus-visible + span,
.dropzone:focus-visible {
  outline: 3px solid rgba(10, 127, 146, 0.2);
  outline-offset: 2px;
}

.status-pill {
  color: var(--ok);
  background: rgba(20, 108, 67, 0.08);
}

.status-pill.warn {
  color: var(--warn);
  background: rgba(179, 86, 18, 0.12);
}

.status-pill.error {
  color: var(--danger);
  background: rgba(142, 35, 49, 0.1);
}

.stats-grid,
.summary-grid,
.notes {
  display: grid;
  gap: 14px;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.stat-card,
.summary-card,
.note-card {
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
}

.stat-card {
  padding: 18px 16px;
  border: 1px solid rgba(24, 34, 49, 0.08);
}

.stat-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card strong {
  font-size: 1.8rem;
  line-height: 1;
}

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

.summary-card {
  padding: 18px;
  border: 1px solid rgba(24, 34, 49, 0.08);
}

.summary-title {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dense {
  max-height: 250px;
  overflow: auto;
}

.notes {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.note-card {
  padding: 24px;
}

.empty-state {
  color: var(--muted);
  font-style: italic;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

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

@media (max-width: 960px) {
  .hero,
  .workspace,
  .notes,
  .summary-grid {
    grid-template-columns: 1fr;
  }

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

  .hero h1 {
    max-width: 16ch;
  }

  textarea {
    min-height: 460px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 18px, 100%);
    padding-top: 16px;
  }

  .site-header,
  .panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-copy,
  .hero-panel,
  .panel,
  .note-card {
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}