:root {
  color-scheme: light;
  --bg: #f5f4f0;
  --surface: #fffdf8;
  --surface-strong: #f0ede5;
  --ink: #24231f;
  --muted: #68645c;
  --line: #d8d2c6;
  --accent: #255f63;
  --accent-ink: #143f43;
  --focus: rgba(37, 95, 99, 0.18);
  --shadow: 0 18px 50px rgba(36, 35, 31, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #181816;
  --surface: #23231f;
  --surface-strong: #2f2f2a;
  --ink: #f2eee6;
  --muted: #b4ada2;
  --line: #3c3933;
  --accent: #9fc9c6;
  --accent-ink: #d7efed;
  --focus: rgba(159, 201, 198, 0.22);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(37, 95, 99, 0.08), transparent 36%),
    var(--bg);
}

:root[data-theme="dark"] body {
  background:
    linear-gradient(135deg, rgba(159, 201, 198, 0.08), transparent 36%),
    var(--bg);
}

button {
  font: inherit;
}

input {
  font: inherit;
}

textarea {
  font: inherit;
}

.app-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-pill {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line));
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.admin-pill[hidden] {
  display: none;
}

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

h1 {
  font-size: clamp(2.3rem, 6vw, 5.6rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.text-button {
  min-height: 38px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  font-weight: 700;
}

.import-button {
  display: inline-flex;
  align-items: center;
}

.issue-toggle {
  min-height: 38px;
  padding: 0 12px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 760;
}

.issue-toggle[aria-pressed="true"] {
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 18%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
}

.theme-toggle {
  display: grid;
  place-items: center;
  min-height: 38px;
  width: 38px;
  padding: 0;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 760;
}

.text-button.strong {
  color: #fffdf8;
  background: var(--accent);
  border-color: var(--accent);
}

.icon-button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--accent-ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
}

.text-button:hover,
.theme-toggle:hover,
.issue-toggle:hover {
  color: var(--ink);
  background: var(--surface-strong);
}

.text-button.strong:hover {
  color: #fffdf8;
  background: var(--accent-ink);
  border-color: var(--accent-ink);
}

.icon-button:hover {
  background: var(--surface-strong);
}

.icon-button:disabled {
  color: #aaa398;
  cursor: not-allowed;
  opacity: 0.7;
}

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

.trail {
  display: flex;
  flex-wrap: wrap;
  min-height: 32px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.trail-item {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  box-shadow: 0 8px 22px rgba(36, 35, 31, 0.05);
}

.trail-item:hover {
  color: var(--ink);
  background: var(--surface-strong);
}

.trail-separator {
  color: #9a9488;
}

.step-head {
  display: flex;
  width: 100%;
  max-width: none;
  align-items: center;
  gap: 12px;
}

h2 {
  flex: 1;
  min-width: 0;
  font-size: clamp(1.9rem, 3.4vw, 3.3rem);
  line-height: 1;
  letter-spacing: 0;
}

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

.option-card {
  position: relative;
  display: grid;
  min-height: 132px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.option-card:hover {
  border-color: rgba(37, 95, 99, 0.46);
  transform: translateY(-1px);
}

.option-main {
  display: grid;
  min-height: 132px;
  width: 100%;
  align-content: start;
  gap: 18px;
  padding: 22px 22px 58px;
  color: var(--ink);
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.option-main:focus-visible,
.chip-button:focus-visible,
.help-button:focus-visible,
.icon-button:focus-visible,
.theme-toggle:focus-visible,
.issue-toggle:focus-visible,
.builder-form input:focus-visible,
.issue-step-form input:focus-visible,
.issue-step-form textarea:focus-visible,
.substep-form input:focus-visible,
.substep-form textarea:focus-visible,
.text-button:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 2px;
}

.option-title {
  display: block;
  font-size: clamp(1.28rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.08;
}

.card-actions {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  pointer-events: none;
}

.chip-button {
  min-height: 30px;
  padding: 0 10px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 760;
  pointer-events: auto;
}

.chip-button:hover {
  color: var(--ink);
  background: var(--surface-strong);
}

.builder-form {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 10px;
  align-items: end;
  padding: 14px;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.builder-form[hidden],
.admin-actions[hidden],
.issue-panel[hidden],
.issue-step-form[hidden],
.substep-form[hidden],
.image-modal[hidden] {
  display: none;
}

.admin-actions {
  display: flex;
}

.builder-form label,
.issue-step-form label,
.substep-form label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.builder-form input,
.issue-step-form input,
.issue-step-form textarea,
.substep-form input,
.substep-form textarea {
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
}

.issue-step-form input[type="file"],
.substep-form input[type="file"] {
  padding: 7px;
}

.issue-panel {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.issue-actions {
  display: flex;
}

.issue-step-form,
.substep-form {
  display: grid;
  gap: 10px;
  padding: 14px;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.issue-step-form textarea,
.substep-form textarea {
  min-height: 96px;
  resize: vertical;
  line-height: 1.4;
}

.issue-step-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: issue-steps;
}

.issue-step {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  counter-increment: issue-steps;
}

.issue-step-body {
  display: grid;
  gap: 10px;
}

.issue-step-text {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.issue-step-copy {
  display: inline;
  overflow-wrap: anywhere;
}

.issue-step-text::before {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 24%, transparent);
  border-radius: 50%;
  content: counter(issue-steps);
  font-size: 0.8rem;
  font-weight: 800;
}

.substep-list {
  display: grid;
  gap: 6px;
  margin: 0 0 0 38px;
  padding: 0;
  color: var(--muted);
  line-height: 1.42;
}

.substep-item > span:first-child {
  line-height: 1.42;
}

.issue-step-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.help-button {
  display: inline-grid;
  width: 20px;
  height: 20px;
  margin-left: 6px;
  vertical-align: text-bottom;
  place-items: center;
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 22%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 42%, var(--line));
  border-radius: 50%;
  cursor: pointer;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1;
}

.image-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 28px;
}

.image-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.68);
}

.image-modal-content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  justify-items: center;
  max-width: min(920px, 92vw);
  max-height: 88vh;
  margin: 0;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.image-modal-content img {
  display: block;
  max-width: 100%;
  max-height: 74vh;
  margin: 0 auto;
  border-radius: 6px;
  object-fit: contain;
}

.image-modal-content figcaption {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.35;
}

.form-actions {
  display: flex;
  gap: 8px;
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 28px, 1120px);
    padding-top: 22px;
  }

  .topbar {
    display: grid;
    margin-bottom: 32px;
  }

  .header-actions {
    justify-content: space-between;
  }

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

  h2 {
    font-size: clamp(1.7rem, 8vw, 2.7rem);
  }

  .builder-form {
    grid-template-columns: 1fr;
  }

  .form-actions {
    justify-content: stretch;
  }

  .issue-step {
    grid-template-columns: 1fr;
  }

  .issue-step-actions {
    justify-content: flex-start;
  }

  .form-actions .text-button {
    flex: 1;
  }
}