:root {
  color-scheme: dark;
  --bg: #0a0e0b;
  --grid-line: rgba(61, 220, 132, 0.05);
  --panel: #121a15;
  --panel-raised: #182219;
  --panel-input: #0d130f;
  --text: #dce8dc;
  --muted: #7c9284;
  --line: #263528;
  --line-strong: #3a4f3c;
  --accent: #3ddc84;
  --accent-soft: rgba(61, 220, 132, 0.14);
  --accent-glow: rgba(61, 220, 132, 0.35);
  --amber: #f2b544;
  --danger: #ff6b5e;
  --danger-soft: rgba(255, 107, 94, 0.14);
  --major-1: #22d3ee;
  --major-2: #3ddc84;
  --major-3: #f2b544;
  --major-4: #b18cff;
  --major-5: #ff6b5e;
  --font-mono: Consolas, "SFMono-Regular", "Courier New", monospace;
  --font-body: "Segoe UI", Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    radial-gradient(ellipse at top, rgba(61, 220, 132, 0.06), transparent 60%);
  background-size: 32px 32px, 32px 32px, 100% 100%;
  background-attachment: fixed;
}

::selection {
  background: var(--accent-glow);
  color: #06110a;
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 999px;
  border: 3px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.app {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 1rem;
}

.app-header {
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1rem;
  margin-bottom: 1.2rem;
}

.app-header h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.6rem;
  color: var(--text);
  text-shadow: 0 0 18px var(--accent-glow);
}

.app-header h1::before {
  content: ">_ ";
  color: var(--accent);
}

.app-header p {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.controls,
.draft-controls,
.order,
.view-controls {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.controls::before,
.draft-controls::before,
.view-controls::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--line-strong);
  border-right: 2px solid var(--line-strong);
  opacity: 0.7;
}

.controls {
  display: flex;
  gap: 0.75rem;
  align-items: end;
  flex-wrap: wrap;
}

label {
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  color: var(--muted);
}

select,
input,
textarea,
button {
  font: inherit;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 0.5rem;
  background: var(--panel-input);
  color: var(--text);
}

select:focus,
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

button {
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--panel-raised);
  color: var(--accent);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

button.btn-primary {
  background: var(--accent);
  color: #06150c;
  border-color: var(--accent);
  font-weight: 700;
}

button.btn-primary:hover {
  box-shadow: 0 0 16px var(--accent-glow);
  filter: brightness(1.08);
}

.inline-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.inline-row input {
  flex: 1;
}

.sections {
  display: grid;
  gap: 0.8rem;
}

.insert-slot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 20px;
  opacity: 1;
  transition: opacity 0.15s ease;
}

.insert-slot-line {
  height: 1px;
  flex: 1;
  background: var(--line-strong);
  opacity: 0.5;
}

.insert-slot-btn {
  border-radius: 999px;
  width: 30px;
  height: 30px;
  padding: 0;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.insert-slot-hint {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.insert-slot:hover .insert-slot-btn {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.insert-slot:hover .insert-slot-hint {
  opacity: 1;
}

.section-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line-strong);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  position: relative;
}

.section-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 14px;
  border-top: 2px solid var(--line-strong);
  border-right: 2px solid var(--line-strong);
  opacity: 0.6;
}

.section-card.sortable-ghost {
  opacity: 0.4;
  border-color: var(--accent);
}

.section-card.sortable-chosen {
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--panel-raised);
  color: var(--muted);
  font-size: 1rem;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.drag-handle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.drag-handle:active {
  cursor: grabbing;
}

.reorder-btns {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.move-btn {
  padding: 0 0.5rem;
  flex: 1;
  font-size: 0.6rem;
  line-height: 1;
  color: var(--muted);
}

.move-btn:hover {
  color: var(--accent);
}

.section-header {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.section-title {
  font-weight: 700;
  font-family: var(--font-mono);
}

.section-card.major-section .section-title {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.section-card.major-1 {
  border-left-color: var(--major-1);
}

.section-card.major-1::after {
  border-color: var(--major-1);
}

.section-card.major-2 {
  border-left-color: var(--major-2);
}

.section-card.major-2::after {
  border-color: var(--major-2);
}

.section-card.major-3 {
  border-left-color: var(--major-3);
}

.section-card.major-3::after {
  border-color: var(--major-3);
}

.section-card.major-4 {
  border-left-color: var(--major-4);
}

.section-card.major-4::after {
  border-color: var(--major-4);
}

.section-card.major-5 {
  border-left-color: var(--major-5);
}

.section-card.major-5::after {
  border-color: var(--major-5);
}

.section-card.hidden-by-collapse {
  display: none;
}

.major-toggle {
  position: absolute;
  left: -14px;
  top: 18px;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 999px;
  background: var(--panel-raised);
  color: var(--accent);
  border: 1px solid var(--line-strong);
  font-weight: 700;
  line-height: 1;
}

.major-collapsed-hint {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
}

.section-body {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

.delete-btn {
  background: var(--panel-raised);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 94, 0.35);
}

.delete-btn:hover {
  background: var(--danger-soft);
  border-color: var(--danger);
  box-shadow: 0 0 12px rgba(255, 107, 94, 0.3);
}

.order p {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.status {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  min-height: 1.2rem;
}

.scroll-top-btn {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 1000;
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.scroll-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}