:root {
  --bg: #e9eaec;
  --panel: #ffffff;
  --border: #d6d8db;
  --text: #444444;
  --muted: #888888;
  --accent: #50728d;
  --accent-soft: #50728d49;
  --danger: #c72b26;
  --warn: #cf7a18;
  --ok: #699e4e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.6rem;
  font-weight: 600;
}

.sub {
  margin: 0 0 2rem;
  color: var(--muted);
}

/* Toolbar: add button + platform selector */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  flex: none;
}

.remove,
.retry {
  background: none;
  border: none;
  color: var(--muted);
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
  flex: none;
}
.remove {
  font-size: 1.3rem;
}
.retry {
  font-size: 1.1rem;
}
.remove:hover {
  color: var(--danger);
}
.retry:hover {
  color: var(--accent);
}

.toolbar {
  width: 100%;
}
.add {
  width: 100%;
  padding: 0.65rem;
  border: 1px solid var(--accent);
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}
.add:hover {
  filter: brightness(1.08);
}

/* Platform selector — tappable dashed links */
.platform {
  margin-top: 1.25rem;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
}
.platform-label {
  color: var(--muted);
  font-size: 0.9rem;
}
.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}
.plat {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--accent);
  font-size: 0.9rem;
  padding: 0.3rem 0.1rem;
  border-bottom: 1px dashed var(--accent);
}
.plat:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}
.plat.active {
  color: var(--text);
  font-weight: 600;
  border-bottom-style: solid;
  border-bottom-color: var(--text);
  cursor: default;
}

/* Result */
.result {
  margin-top: 1.5rem;
}

.shared {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  margin: 1.5rem 0 1rem;
}
.shared-size {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ok);
}
.shared-size.low {
  color: var(--danger);
}
.shared-size.mid {
  color: var(--warn);
}
.shared-size.high {
  color: var(--ok);
}
.shared-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
}
.shared + .table-wrap {
  margin-top: 0;
}
table.totals {
  width: 100%;
  min-width: 540px;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
table.totals th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
table.totals td {
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.totals tr:last-child td {
  border-bottom: none;
}
/* Fixed columns: slot · name (flex) · total · shared · unique · layers · actions.
   Numeric columns are right-aligned with comfortable, equal spacing. */
table.totals th:nth-child(1),
table.totals td:nth-child(1) {
  width: 2.4rem;
}
table.totals th:nth-child(3),
table.totals td:nth-child(3),
table.totals th:nth-child(4),
table.totals td:nth-child(4),
table.totals th:nth-child(5),
table.totals td:nth-child(5) {
  width: 5.5rem;
}
table.totals th:nth-child(6),
table.totals td:nth-child(6) {
  width: 4rem;
}
table.totals th:nth-child(7),
table.totals td:nth-child(7) {
  width: 3.5rem;
}
table.totals th:nth-child(3),
table.totals th:nth-child(4),
table.totals th:nth-child(5),
table.totals th:nth-child(6) {
  text-align: right;
}
table.totals td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
table.totals td.name {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
  word-break: break-word;
}
table.totals tr.invalid td {
  background: #c0392b0a;
}
.row-date {
  margin-top: 0.2rem;
  font-size: 0.72rem;
  color: var(--muted);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  cursor: help;
}
.row-error {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--danger);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow-wrap: anywhere;
}
.row-actions {
  text-align: right;
  white-space: nowrap;
}

.note {
  margin: 0.6rem 0.2rem 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}
.note code {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 0.02rem 0.3rem;
  border-radius: 4px;
}

.error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: #c0392b14;
  border: 1px solid var(--danger);
  color: var(--danger);
  font-size: 0.9rem;
}

/* Modal */
dialog {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  padding: 1.5rem;
  width: min(440px, 92vw);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}
dialog::backdrop {
  background: rgba(0, 0, 0, 0.25);
}
dialog h3 {
  margin: 0 0 1rem;
  font-weight: 600;
}
dialog input[type="text"] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fafafa;
  color: var(--text);
  font-size: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
dialog .hint {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0.6rem 0 0;
}
.modal-error {
  margin: 0.6rem 0 0;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  background: #c0392b14;
  border: 1px solid var(--danger);
  color: var(--danger);
  font-size: 0.85rem;
}
dialog .hint code {
  background: var(--bg);
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
}
dialog menu {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin: 1.25rem 0 0;
  padding: 0;
}
dialog button {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.9rem;
}
dialog button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
dialog button.secondary {
  background: transparent;
  color: var(--text);
}
dialog button[disabled] {
  opacity: 0.9;
  cursor: default;
}

/* Loading state: hide the label and show a centered spinner. */
.is-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.is-loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin: -0.5rem 0 0 -0.5rem;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dic-spin 0.6s linear infinite;
}
@keyframes dic-spin {
  to {
    transform: rotate(360deg);
  }
}