:root {
  --bg-0: #111214;
  --bg-1: #17181b;
  --bg-2: #1e1f23;
  --bg-3: #26272c;
  --border: #33353a;
  --text-0: #e8e9ea;
  --text-1: #a9acb3;
  --text-2: #74777f;
  --accent: #4fb3bf;
  --accent-strong: #6fd0dc;
  --green: #4caf6d;
  --green-bg: #1c2a20;
  --yellow: #d9b23c;
  --yellow-bg: #2a2517;
  --red: #d9584f;
  --red-bg: #2a1a19;
  --blue: #5f9bd9;
  --blue-bg: #18222e;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

/* [hidden] は UA スタイルシート由来のため、display を持つクラスに負けないよう明示 */
[hidden] {
  display: none !important;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-0);
  color: var(--text-0);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic UI", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bg-3);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 28px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.app-header__title h1 {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.app-header__subtitle {
  margin: 0;
  color: var(--text-1);
  font-size: 13px;
}

.privacy-note {
  margin: 4px 0 0;
  color: var(--text-2);
  font-size: 12px;
  white-space: nowrap;
}

#app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 28px 48px;
}

/* Dropzone */

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  background: var(--bg-1);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.dropzone.dropzone--active {
  border-color: var(--accent);
  background: var(--bg-2);
}

/* 変換成功後: 大きなドロップゾーンをスリムなバーに畳む */
.dropzone__compact {
  display: none;
  align-items: center;
  gap: 10px;
  text-align: left;
}

.dropzone.dropzone--collapsed {
  padding: 10px 16px;
  border-style: solid;
  border-width: 1px;
  border-radius: 10px;
}

.dropzone.dropzone--collapsed .dropzone__inner {
  display: none;
}

.dropzone.dropzone--collapsed .dropzone__compact {
  display: flex;
}

.dropzone__compact-icon {
  font-size: 16px;
}

.dropzone__compact-name {
  font-weight: 600;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 0 1 auto;
  min-width: 40px;
}

.dropzone__compact-size {
  color: var(--text-2);
  font-size: 12px;
  white-space: nowrap;
}

.dropzone__compact-spacer {
  flex: 1;
}

.dropzone__icon {
  font-size: 36px;
  margin: 0 0 8px;
}

.dropzone__text {
  margin: 0 0 4px;
  font-size: 15px;
}

.dropzone__text-en {
  margin: 0 0 20px;
  color: var(--text-2);
  font-size: 12px;
}

/* Buttons */

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-3);
  color: var(--text-0);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.05s ease;
}

.btn:hover {
  background: #2e3037;
  border-color: #44464d;
}

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

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0b1516;
  font-weight: 600;
}

.btn--primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.btn--ghost {
  background: transparent;
}

.btn--small {
  padding: 5px 12px;
  font-size: 12px;
}

/* Messages */

.messages {
  margin-top: 16px;
}

.message {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
}

.message--error {
  background: var(--red-bg);
  border-color: #4a2a28;
  color: #f0a9a3;
}

.message--info {
  background: var(--bg-2);
  border-color: var(--border);
  color: var(--text-1);
}

.message--warn {
  background: var(--yellow-bg);
  border-color: #4a3f22;
  color: #e6c877;
}

/* Result */

.result {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.toolbar__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.summary-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-1);
}

.badge__value {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-0);
}

.badge--green .badge__value { color: var(--green); }
.badge--yellow .badge__value { color: var(--yellow); }
.badge--red .badge__value { color: var(--red); }
.badge--neutral .badge__value { color: var(--accent-strong); }

/* Project tabs */

.project-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}

.project-tab {
  padding: 8px 14px;
  border: 1px solid transparent;
  border-bottom: none;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  font-size: 13px;
}

.project-tab--active {
  background: var(--bg-2);
  color: var(--text-0);
  border-color: var(--border);
}

/* Graph panes */

.graph-panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 900px) {
  .graph-panes {
    grid-template-columns: 1fr;
  }
}

.graph-pane {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.graph-pane__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.graph-pane__hint {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-2);
}

.graph-pane__viewport {
  height: 420px;
  background:
    radial-gradient(circle at 1px 1px, #26272c 1px, transparent 1px) 0 0 / 22px 22px,
    var(--bg-0);
  cursor: grab;
  position: relative;
  overflow: hidden;
}

.graph-pane__viewport.is-panning {
  cursor: grabbing;
}

.graph-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Graph node/edge styling (also referenced from app.js via classes) */

.gnode-rect {
  rx: 8;
  stroke-width: 1.5;
}

.gnode-rect--direct {
  fill: var(--green-bg);
  stroke: var(--green);
}

.gnode-rect--approx {
  fill: var(--yellow-bg);
  stroke: var(--yellow);
}

.gnode-rect--missing {
  fill: var(--red-bg);
  stroke: var(--red);
}

.gnode-label {
  fill: var(--text-0);
  font-size: 10px;
  font-family: -apple-system, "Hiragino Sans", sans-serif;
  pointer-events: none;
  user-select: none;
}

.gedge-line {
  stroke: var(--text-2);
  stroke-width: 1.4;
  fill: none;
}

.gedge-line--dropped {
  stroke: var(--red);
  stroke-dasharray: 4 3;
}

/* Tables */

.tables {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 900px) {
  .tables {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px 16px;
}

.panel__title {
  font-size: 13px;
  margin: 0 0 10px;
  color: var(--text-1);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.panel__title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.node-count {
  color: var(--text-2);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.node-filter {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
}

.filter-chip {
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text-1);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  cursor: pointer;
}

.filter-chip--active {
  background: var(--bg-3);
  color: var(--text-0);
  border-color: var(--accent);
}

.filter-chip--direct.filter-chip--active { border-color: var(--green); color: var(--green); }
.filter-chip--approx.filter-chip--active { border-color: var(--yellow); color: var(--yellow); }
.filter-chip--missing.filter-chip--active { border-color: var(--red); color: var(--red); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

th, td {
  text-align: left;
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--text-2);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ノード一覧は高さ制限なしで全件表示（スクロールはページに任せる） */
.nodes-table {
  table-layout: fixed;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot--direct { background: var(--green); }
.status-dot--approx { background: var(--yellow); }
.status-dot--missing { background: var(--red); }
.status-dot--ok { background: var(--green); }
.status-dot--partial { background: var(--yellow); }
.status-dot--conditional { background: var(--blue); }
.status-dot--lost { background: var(--red); }

/* domains: conditional は「壊れてはいないが環境依存で要確認」— 青系で区別 */
.domain-status--conditional {
  color: var(--blue);
}
.domain-status--ok { color: var(--green); }
.domain-status--partial { color: var(--yellow); }
.domain-status--lost { color: var(--red); }

.row-dim {
  opacity: 0.55;
}

.app-footer {
  text-align: center;
  color: var(--text-2);
  font-size: 11px;
  padding: 20px 0 30px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px;
  color: var(--text-1);
}