:root {
  color-scheme: dark;
  --bg: #111318;
  --panel: #181b22;
  --panel-strong: #20242d;
  --panel-soft: #151820;
  --line: #303541;
  --line-strong: #4b5565;
  --text: #f4f6fb;
  --muted: #aeb6c5;
  --black: #111111;
  --accent: #7dd3fc;
  --danger: #ff8d87;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0) 240px),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.app-header {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.title-area {
  min-width: 0;
}

.title-input {
  display: block;
  width: 100%;
  min-width: 0;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 4rem;
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.08;
  outline: none;
  overflow: hidden;
  overflow-wrap: anywhere;
  padding: 8px 10px;
  resize: none;
  white-space: pre-wrap;
}

.title-input::placeholder {
  color: rgba(244, 246, 251, 0.45);
}

.title-input:hover,
.title-input:focus {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
}

.title-input.is-title-long {
  font-size: 3rem;
}

.title-input.is-title-extra-long {
  font-size: 2.35rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-strong);
  color: var(--text);
  font-weight: 750;
  letter-spacing: 0;
  padding: 0 14px;
  transition:
    border-color 120ms ease,
    background 120ms ease,
    color 120ms ease,
    transform 120ms ease;
}

.button:hover {
  border-color: var(--line-strong);
  background: #262b36;
}

.button:active {
  transform: translateY(1px);
}

.button:focus-visible,
.title-input:focus-visible,
.item-input:focus-visible,
.tier-item:focus-visible,
.item-delete:focus-visible,
.toggle-row input:focus-visible,
.footer-link:focus-visible {
  outline: 3px solid rgba(125, 211, 252, 0.48);
  outline-offset: 2px;
}

.button-primary {
  border-color: rgba(125, 211, 252, 0.48);
  background: #123043;
  color: #e7f8ff;
}

.button-primary:hover {
  background: #173a51;
}

.button-danger {
  border-color: rgba(255, 141, 135, 0.38);
  color: #ffd8d5;
}

.button-danger:hover {
  background: #3a2024;
}

.settings {
  position: relative;
}

.settings-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 10;
  min-width: 190px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 10px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
}

.toggle-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.add-item-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 14px;
}

.item-input {
  width: min(420px, 100%);
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  outline: none;
  padding: 11px 12px;
}

.item-input::placeholder {
  color: var(--muted);
}

.unranked-section {
  margin-bottom: 14px;
}

.section-head {
  display: flex;
  align-items: center;
  min-height: 32px;
}

.section-head h2 {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.item-zone {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 64px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.025);
  padding: 10px;
}

.item-zone:empty::after {
  content: attr(data-empty);
  color: rgba(244, 246, 251, 0.36);
  font-weight: 700;
}

.tier-board {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #0f1116;
}

.tier-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  min-height: 84px;
}

.tier-row + .tier-row {
  border-top: 1px solid var(--line);
}

.tier-label {
  display: grid;
  place-items: center;
  color: var(--black);
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tier-label-s {
  background: #ff7f7f;
}

.tier-label-a {
  background: #ffbf7f;
}

.tier-label-b {
  background: #ffff7f;
}

.tier-label-c {
  background: #7fff7f;
}

.tier-label-d {
  background: #7fbfff;
}

.tier-label-e {
  background: #bf7fff;
}

.tier-label-f {
  background: #b8b8c8;
}

.tier-items {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  align-items: flex-start;
  gap: 8px;
  min-width: 0;
  min-height: 84px;
  background: var(--panel-soft);
  padding: 10px;
}

.drop-zone {
  transition:
    background 120ms ease,
    box-shadow 120ms ease,
    border-color 120ms ease;
}

.drop-zone.is-drop-target {
  border-color: rgba(125, 211, 252, 0.72);
  background: rgba(125, 211, 252, 0.08);
  box-shadow: inset 0 0 0 1px rgba(125, 211, 252, 0.3);
}

.tier-item {
  display: inline-flex;
  max-width: 100%;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  border: 1px solid #515a69;
  border-radius: 6px;
  background: #272c36;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
  padding: 7px 7px 7px 12px;
  user-select: none;
  cursor: grab;
}

.tier-item:hover,
.tier-item:focus-visible,
.tier-item:focus-within,
.tier-item.is-selected {
  border-color: #8792a5;
  background: #303642;
}

.tier-item.is-dragging {
  opacity: 0.42;
  cursor: grabbing;
}

.item-name {
  min-width: 0;
  overflow-wrap: anywhere;
}

.item-delete {
  display: inline-grid;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 5px;
  background: rgba(255, 141, 135, 0.12);
  color: #ffd6d3;
  font-weight: 900;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 120ms ease,
    background 120ms ease,
    border-color 120ms ease;
}

.tier-item:hover .item-delete,
.tier-item:focus-within .item-delete,
.tier-item.is-selected .item-delete {
  opacity: 1;
  pointer-events: auto;
}

.item-delete:hover {
  border-color: rgba(255, 141, 135, 0.45);
  background: rgba(255, 141, 135, 0.24);
}

.status-message {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.status-message:empty {
  margin: 0;
}

.app-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 16px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.footer-link {
  border-radius: 4px;
  color: rgba(244, 246, 251, 0.58);
  text-decoration-color: rgba(244, 246, 251, 0.25);
  text-underline-offset: 3px;
  transition:
    color 120ms ease,
    text-decoration-color 120ms ease;
}

.footer-link:hover {
  color: var(--text);
  text-decoration-color: rgba(244, 246, 251, 0.65);
}

.noscript-message {
  margin: 16px;
  color: var(--text);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 780px) {
  .app-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 18px;
  }

  .app-header {
    grid-template-columns: 1fr;
  }

  .toolbar {
    justify-content: flex-start;
  }

  .title-input {
    font-size: 2rem;
    line-height: 1.12;
  }

  .title-input.is-title-long {
    font-size: 1.75rem;
  }

  .title-input.is-title-extra-long {
    font-size: 1.45rem;
  }

  .button {
    min-height: 38px;
    padding: 0 11px;
  }

  .item-input {
    flex: 1 1 100%;
  }

  .app-footer {
    flex-direction: column;
  }

  .settings-panel {
    right: auto;
    left: 0;
  }

  .tier-row {
    grid-template-columns: 58px minmax(0, 1fr);
    min-height: 72px;
  }

  .tier-label {
    font-size: 1.65rem;
  }

  .tier-items {
    min-height: 72px;
  }

  .tier-item {
    min-height: 38px;
  }
}