/* ===================== Design tokens ===================== */
:root {
  --bg: #0a0e14;
  --bg-elevated: #10151f;
  --bg-card: #131926;
  --bg-card-hover: #161d2c;
  --border: #232b3a;
  --border-strong: #2f3a4d;
  --text: #e8ecf3;
  --text-dim: #9aa5b8;
  --text-faint: #626d82;
  --accent: #4f8cff;
  --accent-strong: #6ea1ff;
  --accent-bg: rgba(79, 140, 255, 0.12);
  --danger: #ff5c72;
  --danger-bg: rgba(255, 92, 114, 0.1);
  --success: #35d0a3;
  --success-bg: rgba(53, 208, 163, 0.1);
  --warn: #f5b942;
  --warn-bg: rgba(245, 185, 66, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --font: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ===================== Background texture ===================== */
body {
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(79, 140, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(79, 140, 255, 0.06), transparent 55%);
  background-repeat: no-repeat;
}

/* ===================== Brand ===================== */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: inline-flex;
  color: var(--accent-strong);
  width: 26px;
  height: 26px;
}

.brand-mark svg { width: 100%; height: 100%; }

.brand-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ===================== Gate screen ===================== */
.gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* [hidden] must win over .gate/.app's own `display` rule, or the hidden
   screen stays laid out behind the visible one instead of being removed. */
.gate[hidden],
.app[hidden] {
  display: none !important;
}

.gate-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px 32px;
  box-shadow: var(--shadow-lg);
  animation: rise 0.5s cubic-bezier(0.2, 0.9, 0.3, 1);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.gate-card .brand {
  margin-bottom: 28px;
}

.gate-card h1 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.gate-caption {
  margin: 0 0 24px;
  color: var(--text-dim);
  font-size: 13.5px;
}

.key-input-wrap input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 14px;
  font-family: var(--mono);
  letter-spacing: 0.02em;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.key-input-wrap input::placeholder {
  font-family: var(--font);
  color: var(--text-faint);
  letter-spacing: normal;
}

.key-input-wrap input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.key-input-wrap input.invalid {
  border-color: var(--danger);
}

.gate-error {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--danger-bg);
  border: 1px solid rgba(255, 92, 114, 0.25);
  color: var(--danger);
  font-size: 13px;
  border-radius: var(--radius-sm);
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.btn-primary {
  margin-top: 18px;
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 14px;
  font-weight: 600;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-primary:hover { background: var(--accent-strong); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.7; cursor: not-allowed; }

.btn-spinner {
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===================== App shell ===================== */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: fadein 0.4s ease;
}

@keyframes fadein {
  from { opacity: 0; }
  to { opacity: 1; }
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(16, 21, 31, 0.7);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  font-size: 13px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-faint);
  background: var(--bg-card);
}

.main {
  flex: 1;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ===================== Search panel ===================== */
.search-form {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  flex: 1 1 320px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-faint);
  pointer-events: none;
}

#search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 14.5px;
  padding: 14px 14px 14px 42px;
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

#search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  color: var(--text-dim);
  font-size: 13.5px;
  white-space: nowrap;
}

.toggle input { display: none; }

.toggle-track {
  width: 34px;
  height: 20px;
  background: var(--border-strong);
  border-radius: 999px;
  position: relative;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.toggle input:checked + .toggle-track {
  background: var(--accent);
}

.toggle input:checked + .toggle-track .toggle-thumb {
  transform: translateX(14px);
}

.btn-search {
  margin-top: 0;
  width: auto;
  padding: 13px 22px;
  flex-shrink: 0;
}

/* ===================== Results area ===================== */
.results-area {
  margin-top: 32px;
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-dim);
}

.empty-icon {
  width: 48px; height: 48px;
  margin: 0 auto 18px;
  color: var(--text-faint);
}

.empty-icon svg { width: 100%; height: 100%; }

.empty-state h2 {
  font-size: 17px;
  color: var(--text);
  margin: 0 0 8px;
  font-weight: 600;
}

.empty-state p {
  margin: 0;
  font-size: 14px;
  max-width: 360px;
  margin: 0 auto;
}

/* Not-understood state */
.notice-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

.notice-state .notice-icon {
  width: 44px; height: 44px;
  margin: 0 auto 16px;
  color: var(--warn);
}

.notice-state .notice-icon svg { width: 100%; height: 100%; }

.notice-state h2 {
  font-size: 16px;
  color: var(--text);
  margin: 0 0 6px;
  font-weight: 600;
}

.notice-state p { margin: 0; font-size: 13.5px; }

/* Summary bar */
.summary-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  animation: rise 0.35s ease;
}

.summary-count {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.summary-count .num {
  color: var(--danger);
  font-size: 17px;
}

.summary-sources {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}

.source-chip {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.source-chip .chip-part + .chip-part::before {
  content: "·";
  margin: 0 6px;
  color: var(--border-strong);
}

.source-chip .chip-name {
  color: var(--text);
  font-weight: 600;
}

.source-chip .chip-count {
  color: var(--text);
  font-weight: 600;
}

.results-list {
  display: block;
}

/* Infinite-scroll trigger + small loading indicator shown while the next
   page is being fetched. Empty/invisible the rest of the time. */
.scroll-sentinel {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 40px;
  margin-top: 4px;
}

.scroll-sentinel-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite; /* @keyframes spin already defined above */
}

/* ===================== Result cards ===================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin-bottom: 14px;
  transition: border-color 0.15s ease, background 0.15s ease;
  animation: rise 0.3s ease;
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.card-breach {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card-breach-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}

.card-breach-date {
  font-size: 12px;
  color: var(--text-faint);
}

.card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 8px;
  border-radius: 6px;
}

.badge-credentials {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-pii {
  background: var(--accent-bg);
  color: var(--accent-strong);
}

.match-note {
  font-size: 12.5px;
  color: var(--warn);
  background: var(--warn-bg);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin-bottom: 12px;
}

.identity-note {
  font-size: 12.5px;
  color: var(--accent-strong);
  background: var(--accent-bg);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin-bottom: 12px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px 20px;
}

.field-grid.primary {
  margin-bottom: 6px;
}

.field {
  min-width: 0;
}

.field-label {
  font-size: 11.5px;
  /* --text-dim, not --text-faint: more legible while still muted vs. the value below. */
  color: var(--text-dim);
  margin-bottom: 3px;
}

.field-value {
  font-size: 13.5px;
  color: var(--text);
  word-break: break-word;
  font-family: var(--mono);
}

.field-value .expand-link {
  color: var(--accent);
  font-family: var(--font);
  font-size: 12px;
  margin-left: 6px;
  cursor: pointer;
}

.secondary-fields {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* Search-term highlight inside rendered field values. */
mark.hl {
  background: rgba(245, 185, 66, 0.35);
  color: var(--text);
  border-radius: 3px;
  padding: 0 2px;
}

/* ===================== Skeletons ===================== */
.skeleton-card {
  pointer-events: none;
}

.sk-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--border) 25%, var(--border-strong) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
  margin-bottom: 10px;
}

.sk-w40 { width: 40%; }
.sk-w60 { width: 60%; }
.sk-w30 { width: 30%; margin-bottom: 0; }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===================== Responsive ===================== */
@media (max-width: 640px) {
  .main { padding: 24px 16px 60px; }
  .search-form { flex-direction: column; align-items: stretch; }
  .toggle { align-self: flex-start; }
  .btn-search { width: 100%; }
  .topbar { padding: 14px 16px; }
  .gate-card { padding: 28px 22px 24px; }
}

/* ===================== Section navigation ===================== */
.nav {
  display: flex;
  gap: 4px;
  margin-left: 28px;
  margin-right: auto;
}

.nav-link {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  font: inherit;
  font-size: 13px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-link:hover { color: var(--text); background: var(--bg-card); }
.nav-link.is-active { color: var(--text); background: var(--accent-bg); }
.nav-link[hidden] { display: none; }

.main-wide { max-width: 1040px; }
.main[hidden] { display: none; }

/* ===================== Uploads ===================== */
.upload-intro h1 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.upload-intro p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.55;
  margin: 0 0 22px;
  max-width: 62ch;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 40px 28px;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.dropzone:hover, .dropzone:focus-visible { border-color: var(--accent); outline: none; }
.dropzone.is-over { border-color: var(--accent); background: var(--accent-bg); }
.dropzone svg { width: 34px; height: 34px; color: var(--accent-strong); margin-bottom: 4px; }
.dropzone strong { color: var(--text); font-size: 15px; font-weight: 600; }
.dropzone span { font-size: 13px; max-width: 52ch; line-height: 1.5; }

.note-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--text-dim);
}

.note-field input, #files-filter {
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.note-field input:focus, #files-filter:focus { outline: none; border-color: var(--accent); }

.reprocess-field {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
}

.reprocess-field input { accent-color: var(--accent); width: 15px; height: 15px; margin: 0; }

.transfer-notice { font-size: 13px; color: var(--warn); margin: 14px 0 0; line-height: 1.5; }
.transfer-summary { font-size: 13px; color: var(--text-dim); margin: 14px 0 0; }
.transfer-notice[hidden], .transfer-summary[hidden] { display: none; }
.btn-ghost:focus-visible, .btn-primary:focus-visible, .nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.transfer-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.transfer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px 12px;
}

.transfer-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.transfer-name {
  font-weight: 500;
  font-size: 14px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.transfer-meta { font-size: 12.5px; color: var(--text-dim); white-space: nowrap; }
.transfer-cancel { padding: 4px 10px; font-size: 12px; }
.transfer-cancel[hidden] { display: none; }

.transfer-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 10px;
  overflow: hidden;
}

.transfer-fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.transfer[data-state="done"] .transfer-fill, .transfer[data-state="duplicate"] .transfer-fill { background: var(--success); }
.transfer[data-state="failed"] .transfer-fill { background: var(--danger); }
.transfer[data-state="failed"] .transfer-meta { color: var(--danger); }
.transfer[data-state="done"] .transfer-meta, .transfer[data-state="duplicate"] .transfer-meta { color: var(--success); }

.transfer-msg { font-size: 12.5px; color: var(--text-dim); margin-top: 8px; line-height: 1.45; }
.transfer-msg:empty { display: none; }

/* ===================== File list ===================== */
.files-panel { margin-top: 44px; }

.files-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.files-head h2 { font-size: 17px; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.files-tools { display: flex; align-items: center; gap: 12px; }
.files-total { font-size: 13px; color: var(--text-faint); }
#files-filter { width: 220px; padding: 8px 12px; font-size: 13px; }

.files-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
}

.file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 170px auto;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.file-row:first-child { border-top: 0; }
.file-main { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.file-name { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-sub { font-size: 12px; color: var(--text-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-records { font-size: 12.5px; color: var(--text-dim); white-space: nowrap; font-variant-numeric: tabular-nums; }
.file-status { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); flex: none; }
.file-row[data-tone="info"] .status-dot { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); animation: pulse 1.6s ease-in-out infinite; }
.file-row[data-tone="ok"] .status-dot { background: var(--success); }
.file-row[data-tone="warn"] .status-dot { background: var(--warn); }
.file-row[data-tone="danger"] .status-dot { background: var(--danger); }
.file-actions:empty { display: none; }
.btn-small { padding: 5px 10px; font-size: 12px; }
.file-msg { grid-column: 1 / -1; font-size: 12.5px; color: var(--warn); line-height: 1.45; margin-top: -4px; }
.file-row[data-tone="danger"] .file-msg { color: var(--danger); }
.file-row[data-tone="muted"] .file-msg { color: var(--text-dim); }
.files-empty { padding: 36px 16px; text-align: center; color: var(--text-faint); font-size: 14px; }
.files-more { display: block; margin: 14px auto 0; }
.files-more[hidden] { display: none; }

@keyframes pulse { 50% { opacity: 0.45; } }
@media (prefers-reduced-motion: reduce) { .file-row[data-tone="info"] .status-dot { animation: none; } }

@media (max-width: 720px) {
  .nav { margin-left: 12px; }
  .file-row { grid-template-columns: minmax(0, 1fr) auto; }
  .file-records { display: none; }
  .file-actions { grid-column: 2; }
  .files-head { flex-direction: column; align-items: stretch; }
  #files-filter { width: 100%; }
}

/* Search: fallback notice, masked secrets, tools, recent searches */
.summary-tools { display: flex; gap: 8px; margin-left: auto; }
.btn-small { padding: 5px 10px; font-size: 12px; }
.secret { display: flex; align-items: center; gap: 8px; }
.secret-value { letter-spacing: 0.08em; }
.secret[data-visible="true"] .secret-value { letter-spacing: normal; }
.secret-toggle, .identity-link, .recent-clear {
  background: none; border: 0; padding: 0; cursor: pointer;
  color: var(--accent); font-family: var(--font); font-size: 12px;
}
.identity-link { font-size: inherit; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.secret-toggle:focus-visible, .identity-link:focus-visible, .recent-chip:focus-visible, .recent-clear:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.coverage { color: var(--text-faint); font-size: 12.5px; margin-top: 10px; }
.coverage:empty { display: none; }
.recent { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px; margin-top: 22px; }
.recent:empty { display: none; }
.recent-title { width: 100%; font-size: 12px; color: var(--text-faint); }
.recent-chip {
  background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text);
  border-radius: 999px; padding: 5px 12px; font-size: 12.5px; font-family: var(--mono); cursor: pointer;
  max-width: 32ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.recent-chip:hover { border-color: var(--accent); }
@media (max-width: 700px) { .summary-tools { margin-left: 0; width: 100%; } }