:root {
  /* Light (default) */
  --bg: #f7f8fa;
  --panel: #ffffff;
  --border: #e3e6ec;
  --text: #141720;
  --mute: #5b6478;
  --accent: #2a5fe0;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #262a34;
  --text: #e6e8ee;
  --mute: #8b93a7;
  --accent: #7aa2ff;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
}

* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
}
header, main, footer { max-width: 1080px; margin: 0 auto; padding: 24px; }
header { padding-bottom: 8px; display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
header .title h1 { margin: 0 0 4px; font-size: 22px; }
.sub { margin: 0; color: var(--mute); }

.header-actions { display: flex; gap: 8px; align-items: center; }
.header-btn, #theme-toggle {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.header-btn:hover, #theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; margin-bottom: 16px;
}

.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 36px 16px; border: 2px dashed var(--border); border-radius: 10px;
  cursor: pointer; transition: border-color .15s, background .15s;
  color: var(--mute);
}
.dropzone strong { color: var(--text); font-size: 16px; }
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: color-mix(in oklab, var(--accent) 8%, transparent); }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar select { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 4px 8px; }
.toolbar-actions { display: flex; gap: 10px; align-items: center; }

/* Primary + secondary buttons used in toolbars and modal headers */
.toolbar-actions button, .modal-actions button {
  font: inherit; font-size: 13px; cursor: pointer;
  padding: 6px 14px; border-radius: 6px;
  background: var(--accent); color: #fff;
  border: 1px solid var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
  transition: filter .12s, background .12s, border-color .12s, color .12s;
}
.toolbar-actions button:hover, .modal-actions button:hover { filter: brightness(1.08); }
.toolbar-actions button.secondary, .modal-actions button.secondary {
  background: var(--panel); color: var(--text); border-color: var(--border);
}
.toolbar-actions button.secondary:hover, .modal-actions button.secondary:hover {
  filter: none;
  border-color: var(--accent); color: var(--accent);
}

.identifiers {
  display: flex; flex-wrap: wrap; gap: 8px 14px;
  font-size: 12px; color: var(--mute);
  padding: 6px 0 2px;
  border-bottom: 1px dashed var(--border); margin-bottom: 6px;
}
.identifiers > span { display: inline-flex; align-items: center; gap: 4px; }
.identifiers .label { text-transform: uppercase; letter-spacing: 0.04em; font-size: 11px; }
.hint { color: var(--mute); font-size: 13px; margin: 0 0 8px; }

.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; z-index: 10;
}
.modal[hidden] { display: none; }
.modal-content {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; max-width: 820px; width: 100%;
  max-height: 92vh; display: flex; flex-direction: column;
  min-height: 0;
}
#email-text {
  width: 100%;
  min-height: 320px;
  flex: 1 1 auto;
  font: 13px/1.5 var(--mono); color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 12px; resize: vertical;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 10px; flex-wrap: wrap; }
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-actions { display: flex; gap: 8px; }
.modal-content.modal-wide { max-width: min(1300px, 96vw); width: 96vw; }

/* Spock rules viewer */
.spock-controls {
  display: grid; grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr);
  gap: 10px; margin-bottom: 12px;
}
.spock-controls > label {
  display: flex; flex-direction: column; gap: 4px;
  color: var(--mute); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em;
}
.spock-controls input, .spock-controls select {
  font: 13px/1.5 var(--mono); color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 10px; width: 100%;
  text-transform: none; letter-spacing: 0;
}
.spock-controls select:disabled { opacity: 0.5; cursor: not-allowed; }
.spock-viewer {
  overflow: auto; max-height: 70vh;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px;
}
.spock-meta {
  display: flex; flex-wrap: wrap; gap: 6px 16px;
  margin-bottom: 10px; padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
  font-size: 13px; color: var(--mute);
}
.spock-meta strong { color: var(--text); }
.spock-rules {
  display: grid; grid-template-columns: 220px 1fr;
  gap: 4px 14px; margin-bottom: 12px;
}
.spock-rules .r-label { color: var(--mute); font-size: 13px; }
.spock-rules .r-val { font-family: var(--mono); font-size: 13px; }
.spock-rules .r-val.varies { color: var(--warn); font-style: italic; }
.spock-rules .r-val.not-supported { color: var(--err); }
.spock-rules .r-val.supported, .spock-rules .r-val.preserved,
.spock-rules .r-val.available { color: var(--ok); }

.spock-carriers { margin-top: 10px; }
.spock-carriers h3 { margin: 10px 0 6px; font-size: 13px; color: var(--mute); text-transform: uppercase; letter-spacing: 0.04em; }
.spock-table {
  width: 100%; border-collapse: collapse;
  font-size: 12.5px;
}
.spock-table th, .spock-table td {
  text-align: left; padding: 5px 10px;
  border-bottom: 1px solid var(--border);
  white-space: normal;
  vertical-align: top;
}
.spock-table th { color: var(--mute); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; font-size: 11px; position: sticky; top: 0; background: var(--bg); }
.spock-table td.cell-mono { font-family: var(--mono); }
.spock-table td.v-supported, .spock-table td.v-preserved, .spock-table td.v-available { color: var(--ok); }
.spock-table td.v-not-supported, .spock-table td.v-rejected { color: var(--err); }
.spock-table td.v-overwritten, .spock-table td.v-required { color: var(--warn); }
.spock-table tr:hover td { background: color-mix(in oklab, var(--accent) 6%, transparent); }

.summary { display: flex; gap: 6px; flex-wrap: wrap; }
.pill {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 13px; background: var(--bg); border: 1px solid var(--border);
}
.pill.ok { color: var(--ok); border-color: color-mix(in oklab, var(--ok) 40%, var(--border)); }
.pill.bad { color: var(--err); border-color: color-mix(in oklab, var(--err) 40%, var(--border)); }
.pill.warn { color: var(--warn); border-color: color-mix(in oklab, var(--warn) 40%, var(--border)); }

.record {
  border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; margin-bottom: 10px;
  border-left: 3px solid var(--border);
}
.record.clean { border-left-color: var(--ok); }
.record.warn  { border-left-color: var(--warn); }
.record.bad   { border-left-color: var(--err); }

.row-head { display: flex; gap: 10px; align-items: center; margin-bottom: 6px; flex-wrap: wrap; }
.id { font-family: var(--mono); font-weight: 600; }
.meta { color: var(--mute); font-size: 13px; flex: 1 1 auto; min-width: 0; }
.meta .code { font-family: var(--mono); background: var(--bg); padding: 1px 6px; border-radius: 3px; }
.row-head .dlr-badge { margin-left: auto; }

.spock-badge {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 600;
  padding: 2px 10px; border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in oklab, var(--accent) 35%, var(--border));
  letter-spacing: 0.01em;
}
.spock-badge.missing {
  background: color-mix(in oklab, var(--warn) 14%, transparent);
  color: var(--warn);
  border-color: color-mix(in oklab, var(--warn) 40%, var(--border));
}

.dlr-badge {
  display: inline-flex; align-items: center;
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  padding: 2px 10px; border-radius: 999px;
  letter-spacing: 0.02em;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}
.dlr-badge.ok {
  background: color-mix(in oklab, var(--ok) 12%, var(--panel));
  color: var(--ok);
  border-color: color-mix(in oklab, var(--ok) 45%, var(--border));
}
.dlr-badge.err {
  background: color-mix(in oklab, var(--err) 12%, var(--panel));
  color: var(--err);
  border-color: color-mix(in oklab, var(--err) 45%, var(--border));
}
.dlr-badge.warn {
  background: color-mix(in oklab, var(--warn) 14%, var(--panel));
  color: var(--warn);
  border-color: color-mix(in oklab, var(--warn) 45%, var(--border));
}
.dlr-badge.neutral { color: var(--mute); }

.payload { font-size: 13px; color: var(--mute); margin: 2px 0 6px; }
.payload > div { margin: 2px 0; display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.payload .label { color: var(--mute); }
.payload code { font-family: var(--mono); background: var(--bg); padding: 1px 5px; border-radius: 3px; color: var(--text); }

/* Reusable pill-style value tokens — light tinted bg, colored text + border */
.token {
  display: inline-flex; align-items: center;
  font-family: var(--mono); font-size: 12.5px; font-weight: 500;
  padding: 1px 8px; border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  white-space: nowrap;
}
.token.ok {
  background: color-mix(in oklab, var(--ok) 10%, var(--panel));
  color: var(--ok);
  border-color: color-mix(in oklab, var(--ok) 45%, var(--border));
}
.token.warn {
  background: color-mix(in oklab, var(--warn) 12%, var(--panel));
  color: var(--warn);
  border-color: color-mix(in oklab, var(--warn) 45%, var(--border));
}
.token.err {
  background: color-mix(in oklab, var(--err) 12%, var(--panel));
  color: var(--err);
  border-color: color-mix(in oklab, var(--err) 45%, var(--border));
}
.token.info {
  background: color-mix(in oklab, var(--accent) 10%, var(--panel));
  color: var(--accent);
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
}
.token.na {
  color: var(--mute);
  font-style: italic;
}
.arrow { color: var(--mute); font-size: 12px; }

.record ul { margin: 6px 0 0; padding-left: 20px; }
.record li { margin: 2px 0; font-size: 13px; }
.record li.err  { color: var(--err); }
.record li.warn { color: var(--warn); }
.record li.ok   { color: var(--ok); }
.record li.info { color: var(--muted, inherit); }

.finding-detail { margin: 6px 0 2px; }
.finding-detail > summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font: inherit;
  font-size: 12px;
  color: var(--mute);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  list-style: none;
  user-select: none;
  transition: background .12s, border-color .12s, color .12s;
}
.finding-detail > summary:hover {
  color: var(--text);
  border-color: var(--mute);
}
.finding-detail > summary::-webkit-details-marker { display: none; }
.finding-detail > summary::before { content: "▸"; font-size: 10px; }
.finding-detail[open] > summary::before { content: "▾"; }
.finding-detail[open] > summary {
  color: var(--text);
  background: color-mix(in oklab, var(--mute) 10%, var(--panel));
}

.diff {
  margin-top: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--text);
  display: flex;
  flex-direction: column;
}
.diff-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 8px;
  align-items: baseline;
  margin: 2px 0;
}
.diff-label {
  color: var(--mute); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em;
}
.diff-row code {
  font-family: var(--mono); font-size: 12.5px;
  white-space: pre-wrap; word-break: break-word;
  background: transparent; padding: 0;
}
.diff mark {
  border-radius: 2px;
  padding: 0 1px;
  color: inherit;
  background: transparent;
}
.diff mark.d-rep {
  background: color-mix(in oklab, var(--err) 22%, transparent);
  color: var(--err);
}
.diff mark.d-del {
  background: color-mix(in oklab, var(--err) 22%, transparent);
  color: var(--err);
  text-decoration: line-through;
}
.diff mark.d-ins {
  background: color-mix(in oklab, var(--ok) 22%, transparent);
  color: var(--ok);
}
.diff mark.d-gap {
  background: color-mix(in oklab, var(--mute) 15%, transparent);
  color: var(--mute);
  font-weight: 700;
}
.diff-pair { display: flex; flex-direction: column; gap: 2px; }
.diff-unmatched {
  margin-top: 8px; padding-top: 8px;
  border-top: 1px dashed var(--border);
}
.diff-unmatched .diff-label {
  display: block;
  margin-bottom: 4px;
}
.unmatched-list {
  font: 12.5px var(--mono); color: var(--text);
  margin: 0; padding-left: 18px;
}
.unmatched-list > li { padding: 1px 0; }

/* Manual paste mode */
.mode-tabs { display: flex; gap: 6px; margin-bottom: 12px; border-bottom: 1px solid var(--border); }
.mode-tab {
  font: inherit; cursor: pointer;
  padding: 7px 14px; background: transparent; color: var(--mute);
  border: none; border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.mode-tab:hover { color: var(--text); }
.mode-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.paste-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-bottom: 10px;
}
.paste-grid.paste-country { grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr); }

/* Filterable combobox used by both country pickers */
.combo { position: relative; }
.combo input { width: 100%; }
.combo-list {
  position: absolute; top: 100%; left: 0; right: 0;
  margin: 2px 0 0; padding: 0; list-style: none;
  max-height: 260px; overflow: auto;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
  z-index: 20;
}
.combo-list li {
  padding: 6px 10px;
  font: 13px/1.3 var(--mono);
  cursor: pointer;
  color: var(--text);
}
.combo-list li.active, .combo-list li:hover {
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  color: var(--accent);
}
.combo-list li .match {
  background: color-mix(in oklab, var(--accent) 25%, transparent);
  color: var(--accent);
  border-radius: 2px;
  padding: 0 2px;
}
.combo-list .empty { color: var(--mute); font-style: italic; cursor: default; }
.combo-list .empty:hover { background: transparent; color: var(--mute); }
.paste-grid select {
  font: 13px/1.5 var(--mono); color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 10px; width: 100%;
}
.paste-grid select:disabled { opacity: 0.5; cursor: not-allowed; }
.paste-grid > label {
  display: flex; flex-direction: column; gap: 4px;
  color: var(--mute); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em;
}
.paste-grid textarea, .paste-grid input {
  font: 13px/1.5 var(--mono); color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 10px; width: 100%;
  text-transform: none; letter-spacing: 0;
}
.paste-grid textarea { resize: vertical; }
.paste-actions { display: flex; gap: 8px; }
.paste-actions button {
  font: inherit; cursor: pointer; padding: 6px 14px;
  background: var(--accent); color: #fff; border: 1px solid var(--accent); border-radius: 6px;
}
.paste-actions button.secondary {
  background: var(--panel); color: var(--text); border-color: var(--border);
}

/* Text preview (always-visible sent / received block) */
.text-preview {
  margin: 6px 0 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
}
.text-preview > summary {
  cursor: pointer; list-style: none;
  color: var(--mute); font-size: 12px;
  user-select: none;
  display: inline-flex; align-items: center; gap: 8px;
}
.text-preview > summary::-webkit-details-marker { display: none; }
.text-preview > summary::before { content: "▸"; font-size: 10px; }
.text-preview[open] > summary::before { content: "▾"; }
.preview-tag {
  font-size: 11px; font-weight: 600;
  padding: 1px 8px; border-radius: 999px;
  border: 1px solid var(--border);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.preview-tag.ok { color: var(--ok); border-color: color-mix(in oklab, var(--ok) 45%, var(--border)); background: color-mix(in oklab, var(--ok) 10%, var(--panel)); }
.preview-tag.warn { color: var(--warn); border-color: color-mix(in oklab, var(--warn) 45%, var(--border)); background: color-mix(in oklab, var(--warn) 12%, var(--panel)); }
.preview-tag.na { color: var(--mute); font-style: italic; }
.preview-row {
  display: grid; grid-template-columns: 48px 1fr; gap: 8px;
  margin-top: 4px;
  align-items: baseline;
}
.preview-label {
  color: var(--mute); font-size: 11px; text-transform: uppercase; letter-spacing: 0.03em;
}
.preview-row code {
  font-family: var(--mono); font-size: 12.5px;
  color: var(--text); background: transparent; padding: 0;
  white-space: pre-wrap; word-break: break-word;
}

/* Per-row "copy summary" button */
.record-actions { margin-top: 8px; }
.record-actions button {
  font: inherit; font-size: 12px; cursor: pointer;
  padding: 3px 10px; border-radius: 6px;
  color: var(--mute); background: var(--bg);
  border: 1px solid var(--border);
}
.record-actions button:hover { color: var(--text); border-color: var(--mute); }

footer { color: var(--mute); font-size: 12px; }