* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --topbar-bg: #1f2026;
  --subbar-bg: rgba(63, 45, 112, 0.92);
  --board-bg: linear-gradient(135deg, #5d408f 0%, #a64d85 100%);
  --list-bg: #090f02;
  --card-bg: #24262a;
  --card-hover: #2b2e33;
  --text: #f1f4f8;
  --muted: #aeb6c2;
  --line: rgba(255, 255, 255, 0.14);
  --primary: #579dff;
  --primary-hover: #85b8ff;
  --danger: #e34935;
  --done: #7bc043;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

html,
body {
  height: 100%;
}

body {
  color: var(--text);
  background: var(--board-bg);
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

.hidden {
  display: none !important;
}

.topbar {
  height: 56px;
  background: var(--topbar-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(260px, 780px) minmax(190px, 1fr);
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  flex-shrink: 0;
}

.topbar-left,
.topbar-right,
.logo,
.presence {
  display: flex;
  align-items: center;
}

.topbar-left {
  gap: 10px;
}

.topbar-right {
  justify-content: flex-end;
  gap: 8px;
}

.icon-button,
.topbar-tool,
.board-action {
  border: 0;
  color: #c9d1dc;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
}

.icon-button {
  width: 28px;
  height: 28px;
  display: grid;
  grid-template-columns: repeat(2, 4px);
  grid-template-rows: repeat(2, 4px);
  place-content: center;
  gap: 5px;
}

.icon-button span {
  width: 4px;
  height: 4px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.topbar-tool,
.board-action {
  width: 30px;
  height: 30px;
  font-size: 18px;
}

.icon-button:hover,
.topbar-tool:hover,
.board-action:hover,
.logo:hover {
  background: rgba(255, 255, 255, 0.1);
}

.logo {
  gap: 7px;
  padding: 6px 8px;
  border-radius: 4px;
  color: #c4c9d2;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.logo svg {
  opacity: 0.7;
}

.topbar-search {
  height: 34px;
  border: 1px solid #758195;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  color: #aeb7c5;
  background: #202229;
}

.topbar-search input {
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-size: 14px;
}

.topbar-search input::placeholder {
  color: #aeb7c5;
}

.btn-topbar,
.btn-primary {
  border: 0;
  border-radius: 4px;
  background: var(--primary);
  color: #091e42;
  cursor: pointer;
  font-weight: 600;
}

.btn-topbar {
  height: 32px;
  padding: 0 14px;
}

.btn-primary {
  padding: 8px 12px;
}

.btn-topbar:hover,
.btn-primary:hover {
  background: var(--primary-hover);
}

.boards-screen {
  flex: 1;
  overflow: auto;
  padding: 40px;
}

.boards-screen h1 {
  margin-bottom: 22px;
  color: #fff;
  font-size: 24px;
}

.boards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
  max-width: 1040px;
}

.board-tile {
  min-height: 112px;
  border-radius: 8px;
  padding: 14px;
  color: #fff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow);
  transition: transform 0.14s ease, filter 0.14s ease;
}

.board-tile:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.board-tile .tile-meta {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
}

.board-tile.new-tile {
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.18);
  border: 1px dashed rgba(255, 255, 255, 0.45);
  box-shadow: none;
}

.board-screen {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.board-header {
  min-height: 56px;
  background: var(--subbar-bg);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  flex-shrink: 0;
}

.board-title-input {
  width: 150px;
  min-width: 120px;
  border: 0;
  outline: 0;
  border-radius: 4px;
  padding: 7px 8px;
  color: #fff;
  background: transparent;
  font-size: 16px;
  font-weight: 700;
}

.board-title-input:hover,
.board-title-input:focus {
  background: rgba(255, 255, 255, 0.12);
}

.board-switcher {
  display: flex;
  gap: 4px;
  min-width: 0;
}

.board-chip {
  max-width: 160px;
  border: 0;
  border-radius: 4px;
  padding: 6px 9px;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-chip:hover,
.board-chip.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.board-progress {
  color: #d8e3ef;
  font-size: 13px;
}

.board-header-spacer {
  flex: 1;
}

.share-button {
  height: 32px;
  border: 0;
  border-radius: 4px;
  padding: 0 12px;
  color: #17324d;
  background: #dfe9f8;
  cursor: pointer;
  font-weight: 700;
}

.share-button:hover {
  background: #fff;
}

.btn-danger {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 4px;
  padding: 7px 10px;
  color: rgba(255, 255, 255, 0.86);
  background: transparent;
  cursor: pointer;
}

.btn-danger:hover {
  border-color: var(--danger);
  background: var(--danger);
  color: #fff;
}

.lists-container {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px 72px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-color: rgba(255, 255, 255, 0.55) rgba(0, 0, 0, 0.18);
}

.list {
  width: 272px;
  max-height: 100%;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--list-bg);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.list-header {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 8px 6px 14px;
}

.list-title-input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  border-radius: 4px;
  padding: 4px 6px;
  color: #eef4ff;
  background: transparent;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.28;
  text-transform: uppercase;
}

.list-title-input:focus {
  background: #22272b;
  box-shadow: 0 0 0 2px var(--primary);
}

.list-delete {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 4px;
  color: #b8c0cc;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
}

.list-delete:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.cards {
  min-height: 8px;
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.card {
  border: 0;
  border-radius: 7px;
  background: var(--card-bg);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.42);
  color: #e8eef7;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 10px;
}

.card:hover {
  background: var(--card-hover);
  outline: 2px solid rgba(87, 157, 255, 0.55);
}

.card.dragging {
  opacity: 0.45;
}

.card-main {
  flex: 1;
  min-width: 0;
}

.card-label {
  display: block;
  width: 42px;
  height: 6px;
  border-radius: 999px;
  margin-bottom: 7px;
}

.card-text {
  color: #e8eef7;
  font-size: 14px;
  line-height: 1.42;
  overflow-wrap: anywhere;
}

.card.done .card-text {
  color: #aeb7c3;
}

.card-desc-icon {
  margin-top: 6px;
  color: #9ea7b5;
  font-size: 12px;
}

.card-check {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  cursor: pointer;
}

.card-check input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.checkmark {
  position: absolute;
  inset: 1px;
  border: 2px solid #7f8a9a;
  border-radius: 50%;
  background: transparent;
  pointer-events: none;
}

.card-check input:checked + .checkmark {
  border-color: var(--done);
  background: var(--done);
}

.card-check input:checked + .checkmark::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid #102000;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.add-card-btn,
.add-list-btn {
  border: 0;
  border-radius: 7px;
  text-align: left;
  cursor: pointer;
}

.add-card-btn {
  margin: 6px 8px 10px;
  padding: 8px 10px;
  color: #c5ccd6;
  background: transparent;
}

.add-card-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.11);
}

.add-list-btn {
  width: 272px;
  flex-shrink: 0;
  padding: 14px 16px;
  color: #fff;
  background: rgba(255, 255, 255, 0.22);
  font-weight: 700;
}

.add-list-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.add-form,
.add-list-form {
  padding: 0 8px 10px;
}

.add-list-form {
  width: 272px;
  flex-shrink: 0;
  border-radius: 10px;
  padding: 8px;
  background: var(--list-bg);
}

.add-form textarea,
.add-form input,
.add-list-form input {
  width: 100%;
  border: 0;
  outline: 2px solid var(--primary);
  border-radius: 7px;
  padding: 9px 10px;
  color: #fff;
  background: var(--card-bg);
  resize: none;
}

.add-form-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.btn-cancel {
  border: 0;
  border-radius: 4px;
  padding: 4px 9px;
  color: #b8c0cc;
  background: transparent;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.btn-cancel:hover {
  background: rgba(255, 255, 255, 0.11);
}

.cards.drag-over {
  background: rgba(87, 157, 255, 0.12);
  border-radius: 8px;
}

.bottom-dock {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 50;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: #0d1017;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.42);
}

.bottom-dock button {
  border: 0;
  border-radius: 7px;
  padding: 6px 10px;
  color: #eef4ff;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}

.bottom-dock button.active {
  color: var(--primary);
  background: rgba(87, 157, 255, 0.2);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 54px 16px;
  background: rgba(0, 0, 0, 0.58);
}

.modal {
  width: min(640px, 100%);
  max-height: calc(100vh - 108px);
  overflow-y: auto;
  border-radius: 12px;
  background: #1f232b;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 20px 8px;
}

.modal-check {
  margin-top: 7px;
}

.modal-title,
.modal-desc {
  color: #eef4ff;
  background: #2a2f38;
}

.modal-title {
  flex: 1;
  border: 0;
  outline: 0;
  border-radius: 6px;
  padding: 5px 7px;
  font-size: 20px;
  font-weight: 700;
  resize: none;
}

.modal-title:focus,
.modal-desc:focus {
  outline: 2px solid var(--primary);
}

.modal-close {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  color: #b8c0cc;
  background: transparent;
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.modal-body {
  padding: 8px 20px 20px 50px;
}

.modal-body h3 {
  margin: 16px 0 8px;
  color: #eef4ff;
  font-size: 14px;
}

.modal-desc {
  min-height: 92px;
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
  resize: vertical;
}

.label-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.label-swatch {
  width: 48px;
  height: 30px;
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
}

.label-swatch.selected {
  border-color: #fff;
}

.label-none {
  position: relative;
  background: #343a45;
}

.label-none::after {
  content: "—";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #b8c0cc;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  padding: 0 20px 20px 50px;
}

.modal-footer .btn-danger {
  color: #ffb4aa;
  border-color: rgba(227, 73, 53, 0.5);
}

.user-chip {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1d2125;
  font-size: 12px;
  font-weight: 800;
  opacity: 0.45;
}

.user-chip.online {
  opacity: 1;
}

.user-chip.online::after {
  content: "";
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #4bce97;
  border: 2px solid var(--topbar-bg);
}

.user-chip.me {
  box-shadow: 0 0 0 2px #dfe9f8;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 86px;
  z-index: 300;
  transform: translateX(-50%);
  border-radius: 8px;
  padding: 10px 16px;
  color: #fff;
  background: #111319;
  box-shadow: var(--shadow);
  pointer-events: none;
}

.conn-banner {
  position: fixed;
  left: 50%;
  top: 64px;
  z-index: 300;
  transform: translateX(-50%);
  border-radius: 6px;
  padding: 7px 16px;
  color: #fff;
  background: var(--danger);
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: auto 1fr auto;
    padding: 0 8px;
  }

  .topbar-search {
    min-width: 0;
  }

  .board-switcher,
  .board-progress,
  .share-button,
  .btn-danger {
    display: none;
  }

  .lists-container {
    padding-left: 8px;
    padding-right: 8px;
  }

  .bottom-dock {
    max-width: calc(100vw - 20px);
    overflow-x: auto;
  }
}