:root {
  color-scheme: dark;
  font-family: Inter, "Noto Sans JP", system-ui, sans-serif;
  --background: #071015;
  --panel: #101a21;
  --panel-light: #17252d;
  --line: #2c3e47;
  --text: #eef8f3;
  --muted: #8fa69c;
  --accent: #8ce3ad;
  --gold: #e7bd69;
}

* { box-sizing: border-box; }

html,
body {
  min-width: 980px;
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, #17333a 0, transparent 42%),
    linear-gradient(145deg, #071015, #0a1419 55%, #081015);
  color: var(--text);
}

body { min-height: 100vh; }

button,
select,
a { font: inherit; }

.formation-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding: 7px 18px;
  border-bottom: 1px solid var(--line);
  background: #0c151bdc;
  backdrop-filter: blur(14px);
}

.formation-header .back-link,
.formation-header button {
  min-height: 32px;
  padding-inline: 11px;
}

.formation-title,
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.back-link,
button {
  display: inline-grid;
  place-items: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid #39505b;
  border-radius: 7px;
  background: #17242c;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.back-link:hover,
button:hover { border-color: var(--accent); }

.primary-button {
  border-color: #6b855f;
  background: #274333;
  color: #dffff0;
}

.local-battle-return {
  border-color: #78cfa0;
  background: #1f5538;
  color: #effff5;
  font-weight: 900;
}

.local-battle-return[hidden] {
  display: none;
}

.formation-title h1 {
  margin: 0;
  color: var(--accent);
  font-size: 16px;
  letter-spacing: .18em;
}

.formation-title p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.chip-source {
  max-width: 230px;
  overflow: hidden;
  color: var(--gold);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.formation-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  padding: 8px 0 16px;
}

.formation-board {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #0d171de8;
  box-shadow: 0 18px 50px #0005;
}

.formation-board { padding: 12px; }

.board-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 8px;
}

.board-heading span {
  color: var(--accent);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .15em;
}

.board-heading h2 {
  margin: 3px 0 0;
  font-size: 16px;
}

.board-heading p {
  max-width: 440px;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.play-mode-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

.play-mode-actions > span {
  color: var(--muted);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .16em;
}

.play-mode-actions > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 7px;
}

.play-mode-button {
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 12px;
}

.play-mode-button small {
  color: var(--muted);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .08em;
}

.play-mode-button strong { font-size: 12px; }

.play-mode-button--local {
  border-color: #497286;
  background: #15303c;
}

.play-mode-button--local strong { color: #9ce5ff; }

.play-mode-button--online {
  border-color: #659773;
  background: #1d402b;
}

.play-mode-button--online strong { color: #b7f3c7; }

.formation-lane-headings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
  margin-bottom: 5px;
}

.formation-lane-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  padding: 5px 9px;
  border: 1px solid #354b55;
  border-radius: 7px;
  background: #111e25;
}

.formation-lane-heading span {
  color: var(--muted);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .1em;
}

.formation-lane-heading strong {
  font-size: 12px;
}

.formation-lane-heading--bottom {
  border-color: #356071;
  background: #10232b;
}

.formation-lane-heading--bottom strong { color: #82d8f2; }

.formation-lane-heading--jungle {
  border-color: #4a6846;
  background: #17251a;
}

.formation-lane-heading--jungle strong { color: #9be290; }

.formation-lane-heading--top {
  border-color: #70533a;
  background: #281c13;
}

.formation-lane-heading--top strong { color: #efbd82; }

.formation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
}

.character-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #30434d;
  border-radius: 9px;
  background: #111c23;
  transition: border-color .16s ease, transform .16s ease;
}

.character-card:hover {
  border-color: #6f9b86;
  transform: translateY(-2px);
}

.character-portrait {
  position: relative;
  display: block;
  width: 100%;
  min-height: 0;
  height: clamp(150px, 22vh, 220px);
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid #30434d;
  background: #08141a;
  cursor: pointer;
}

.character-portrait::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  z-index: 0;
  width: 300%;
  aspect-ratio: 3 / 2;
  background-image: url("../assets/characters/formation-portraits.png");
  background-position: 0 0;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  transform: translate(var(--portrait-translate-x, 0%), var(--portrait-translate-y, 0%));
  transform-origin: left top;
  pointer-events: none;
}

.character-portrait[data-portrait-sheet="additional"]::before {
  background-image: url("../assets/characters/formation-portraits-additional.png");
}

.character-portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(0deg, #071015b8 0, transparent 42%);
  pointer-events: none;
}

.character-portrait:hover {
  filter: brightness(1.08);
}

.pair-badge {
  position: absolute;
  left: 8px;
  top: 8px;
  z-index: 2;
  padding: 4px 6px;
  border: 1px solid #9bcab477;
  border-radius: 4px;
  background: #081116d9;
  color: #d9fbe9;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .08em;
}

.portrait-edit-hint {
  position: absolute;
  right: 7px;
  bottom: 7px;
  z-index: 2;
  padding: 4px 7px;
  border: 1px solid #84cda2;
  border-radius: 4px;
  background: #0b1714dc;
  color: var(--accent);
  font-size: 8px;
  font-weight: 800;
}

.character-body { padding: 7px; }

.character-name {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 7px;
}

.character-name span {
  color: var(--accent);
  font-size: 9px;
  font-weight: 800;
}

.character-name h3 {
  margin: 0;
  font-size: 14px;
}

.character-name em {
  color: var(--muted);
  font-size: 9px;
  font-style: normal;
}

.character-name em.is-confirmed {
  color: var(--accent);
  font-weight: 700;
}

.chip-slots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 4px;
}

.chip-equipment-toolbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 7px;
  margin-top: 5px;
}

.chip-equipment-toolbar > span {
  color: var(--muted);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .08em;
}

.chip-swap-button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 23px;
  padding: 0;
  border-color: #4c6658;
  background: #172a21;
  color: var(--accent);
  font-size: 16px;
  line-height: 1;
}

.chip-swap-button:disabled {
  opacity: .35;
  cursor: not-allowed;
}

.chip-edit-button {
  justify-self: end;
  min-height: 23px;
  padding: 0 10px;
  border-color: #566775;
  background: #1c2b35;
  color: var(--text);
  font-size: 9px;
}

.chip-name-display {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  min-width: 0;
  min-height: 30px;
  padding: 5px;
  border: 1px solid #2a3c45;
  border-radius: 6px;
  background: #0b1419;
}

.chip-name-display b {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  background: #26363d;
  color: var(--muted);
  font-size: 9px;
}

.chip-name-display strong {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chip-name-display.is-equipped {
  border-color: #587665;
  background: #172a21;
}

.chip-name-display.is-equipped b {
  background: #2a4937;
  color: var(--accent);
}

.chip-name-display.is-equipped strong {
  color: var(--text);
}

.has-chip-picker { overflow: hidden; }

.chip-picker[hidden] { display: none; }

.chip-picker {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 28px;
}

.chip-picker__backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #020609c9;
  backdrop-filter: blur(5px);
}

.chip-picker__dialog {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100vw - 56px));
  max-height: calc(100vh - 56px);
  overflow: hidden;
  border: 1px solid #49616b;
  border-radius: 12px;
  background: #101a21;
  box-shadow: 0 28px 90px #000c;
}

.character-picker__dialog {
  width: min(860px, calc(100vw - 56px));
}

.character-picker-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-height: 620px;
  overflow-y: auto;
  padding: 16px;
}

.character-picker-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 76px;
  height: auto;
  padding: 8px;
  text-align: left;
}

.character-picker-item.is-selected {
  border-color: var(--accent);
  background: #264333;
}

.character-picker-item__portrait {
  display: block;
  width: 58px;
  height: 58px;
  border-radius: 6px;
  background-image: url("../assets/characters/formation-portraits.png");
  background-position: var(--portrait-position, 0% 0%);
  background-repeat: no-repeat;
  background-size: 300% 200%;
}

.character-picker-item__portrait[data-portrait-sheet="additional"] {
  background-image: url("../assets/characters/formation-portraits-additional.png");
}

.character-picker-item__text {
  display: grid;
  min-width: 0;
}

.character-picker-item__text small {
  color: var(--accent);
  font-size: 8px;
}

.character-picker-item__text strong {
  margin-top: 3px;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.character-picker-item__text em {
  margin-top: 7px;
  color: var(--muted);
  font-size: 8px;
  font-style: normal;
}

.character-picker__note {
  margin: 0;
  padding: 0 16px 15px;
  color: var(--muted);
  font-size: 9px;
}

.chip-picker__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: #142129;
}

.chip-picker__header span {
  color: var(--accent);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
}

.chip-picker__header h2 {
  margin: 3px 0 0;
  font-size: 17px;
}

.chip-picker__close {
  width: 36px;
  min-height: 36px;
  padding: 0;
  font-size: 18px;
}

.tutorial-dialog {
  width: min(620px, calc(100vw - 56px));
}

.tutorial-body {
  display: grid;
  gap: 9px;
  padding: 16px;
}

.tutorial-topic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  text-align: left;
}

.tutorial-topic b {
  color: var(--accent);
  font-size: 17px;
}

.tutorial-topic[aria-expanded="true"] {
  border-color: var(--accent);
  background: #20382c;
}

.tutorial-content {
  padding: 11px 14px;
  border: 1px solid #31464f;
  border-radius: 7px;
  background: #0c151a;
  color: #b9cdc4;
  font-size: 11px;
  line-height: 1.7;
}

.tutorial-content[hidden] {
  display: none;
}

.tutorial-content p {
  margin: 0;
}

.tutorial-content p + p {
  margin-top: 7px;
}

.tutorial-content b {
  color: var(--gold);
}

.chip-category-tabs {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
  padding: 12px 14px 0;
}

.chip-category-tabs button {
  min-width: 0;
  padding: 0 5px;
  font-size: 10px;
}

.chip-category-tabs button.is-active {
  border-color: var(--accent);
  background: #294837;
  color: #e4fff0;
}

.chip-category-tabs button:disabled {
  border-color: #27343a;
  background: #11191e;
  color: #52635c;
  cursor: not-allowed;
}

.chip-role-lock-message {
  min-height: 18px;
  margin: 9px 15px 7px;
  color: var(--gold);
  font-size: 10px;
}

.chip-picker-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  min-height: 150px;
  max-height: 360px;
  overflow-y: auto;
  padding: 9px 14px 14px;
  border-right: 1px solid var(--line);
}

.chip-picker__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  min-height: 310px;
  border-top: 1px solid #1c2a31;
}

.chip-picker-item {
  display: grid;
  justify-items: start;
  align-content: center;
  min-width: 0;
  min-height: 62px;
  height: auto;
  padding: 9px 11px;
  text-align: left;
}

.chip-picker-item strong,
.chip-picker-item small {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chip-picker-item strong { font-size: 11px; }

.chip-picker-item small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
}

.chip-picker-item.is-selected {
  border-color: var(--accent);
  background: #264333;
}

.chip-picker-item:disabled {
  opacity: .42;
  cursor: not-allowed;
}

.chip-picker-list__empty {
  grid-column: 1 / -1;
  align-self: center;
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 11px;
}

.chip-performance {
  min-width: 0;
  padding: 13px;
  background: #0c151a;
}

.chip-performance > span {
  color: var(--accent);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .13em;
}

.chip-performance h3 {
  margin: 4px 0 0;
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#chip-performance-role {
  margin: 4px 0 10px;
  color: var(--gold);
  font-size: 9px;
}

.chip-performance table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: #111c22;
  font-size: 9px;
}

.chip-performance th,
.chip-performance td {
  height: 25px;
  padding: 3px 7px;
  border-bottom: 1px solid #25353d;
}

.chip-performance thead th {
  background: #19272e;
  color: var(--muted);
  font-size: 8px;
  text-align: right;
}

.chip-performance thead th:first-child,
.chip-performance tbody th { text-align: left; }

.chip-performance tbody th {
  color: #b7cbc1;
  font-weight: 500;
}

.chip-performance td {
  color: var(--text);
  text-align: right;
}

.chip-performance__description {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.6;
}

.chip-picker__footer {
  display: grid;
  grid-template-columns: auto minmax(320px, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  background: #0d161c;
}

.picker-slot-targets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.picker-slot-targets button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 7px 10px;
  text-align: left;
}

.picker-slot-targets button span {
  color: var(--muted);
  font-size: 8px;
}

.picker-slot-targets button strong {
  min-width: 0;
  overflow: hidden;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.picker-slot-targets button.is-active {
  border-color: var(--accent);
  background: #294837;
  color: #e4fff0;
}

.picker-slot-targets button.is-active span {
  color: var(--accent);
}

#swap-picker-chips:disabled {
  opacity: .4;
  cursor: not-allowed;
}