:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --text: #17202a;
  --muted: #667085;
  --border: #d8dee7;
  --border-strong: #b8c2cf;
  --primary: #3157d5;
  --primary-hover: #2646b4;
  --primary-soft: #edf2ff;
  --success: #087f5b;
  --success-soft: #e9f7f1;
  --danger: #c92a2a;
  --danger-soft: #fff0f0;
  --warning: #9a6700;
  --shadow: 0 10px 30px rgba(20, 32, 50, 0.08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #11151a;
  --surface: #191f26;
  --surface-alt: #202832;
  --text: #eef2f7;
  --muted: #a7b0bd;
  --border: #34404d;
  --border-strong: #4a5969;
  --primary: #7e9cff;
  --primary-hover: #9ab0ff;
  --primary-soft: #242f50;
  --success: #58d6ab;
  --success-soft: #18372f;
  --danger: #ff8787;
  --danger-soft: #422424;
  --warning: #f2c94c;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { min-width: 320px; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  font-size: 15px;
  letter-spacing: 0;
}

button, input, textarea { font: inherit; letter-spacing: 0; }
button { color: inherit; }

.app-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
}

.header-inner,
.workspace {
  width: min(1400px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.brand h1 { margin: 0; font-size: 18px; line-height: 1.25; }
.brand p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.local-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--success);
  font-size: 13px;
  font-weight: 700;
}

.local-badge span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px var(--success-soft);
}

.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  font-size: 20px;
}

.workspace { padding: 28px 0 44px; }

.control-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.control-strip > div:first-child { display: flex; align-items: baseline; gap: 12px; }
.control-strip strong { font-size: 16px; }
.control-strip span { color: var(--muted); font-size: 13px; }

.button-row { display: flex; flex-wrap: wrap; gap: 8px; }

.button {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.button:disabled { opacity: 0.45; cursor: not-allowed; }
.button.primary { color: #fff; background: var(--primary); }
.button.primary:hover:not(:disabled) { background: var(--primary-hover); }
.button.secondary { background: var(--surface); border-color: var(--border); }
.button.secondary:hover { border-color: var(--border-strong); background: var(--surface-alt); }
.button.danger-outline { color: var(--danger); background: var(--surface); border-color: color-mix(in srgb, var(--danger) 42%, var(--border)); }
.button.danger-outline:hover:not(:disabled) { background: var(--danger-soft); border-color: var(--danger); }

.main-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.78fr) minmax(520px, 1.22fr);
  gap: 18px;
  align-items: start;
}

.generator-panel,
.vault-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.generator-panel { padding: 24px; position: sticky; top: 18px; }
.vault-panel { min-height: 560px; padding: 24px; }

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.section-heading h2 { margin: 0; font-size: 20px; line-height: 1.3; }

.status-chip {
  flex: 0 0 auto;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.status-chip.neutral { background: var(--surface-alt); color: var(--muted); }
.status-chip.valid { background: var(--success-soft); color: var(--success); }
.status-chip.invalid { background: var(--danger-soft); color: var(--danger); }

.field-label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 700; }

textarea,
.search-field input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  background: var(--surface-alt);
  color: var(--text);
}

textarea {
  min-height: 112px;
  padding: 12px 13px;
  resize: vertical;
  line-height: 1.5;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 13px;
}

textarea:focus,
.search-field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }

.input-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.input-actions span { color: var(--muted); font-size: 12px; }
.file-button { display: inline-grid; place-items: center; cursor: pointer; white-space: nowrap; }

.message { margin-top: 14px; padding: 10px 12px; border-radius: 6px; font-size: 13px; line-height: 1.45; }
.message.error { background: var(--danger-soft); color: var(--danger); }

.code-stage {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-alt);
}

.code-label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }

.current-code {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

.current-code:not(:disabled):hover { color: var(--primary); }
.current-code:disabled { cursor: default; }

.timer-block { width: 96px; text-align: right; }
.timer-block > span { color: var(--muted); font-size: 12px; }

.progress-track,
.card-progress {
  overflow: hidden;
  height: 4px;
  margin-top: 8px;
  border-radius: 2px;
  background: var(--border);
}

.progress-track span,
.card-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--success);
  transition: width 220ms linear;
}

.parsed-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  margin: 20px 0 0;
}

.parsed-details div { min-width: 0; }
.parsed-details dt { color: var(--muted); font-size: 11px; font-weight: 700; }
.parsed-details dd { overflow: hidden; margin: 4px 0 0; font-size: 13px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }

.save-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.toggle-label { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-size: 13px; font-weight: 700; }
.toggle-label input { position: absolute; opacity: 0; pointer-events: none; }

.toggle {
  position: relative;
  width: 38px;
  height: 22px;
  border-radius: 11px;
  background: var(--border-strong);
  transition: background-color 150ms ease;
}

.toggle::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform 150ms ease;
}

.toggle-label input:checked + .toggle { background: var(--primary); }
.toggle-label input:checked + .toggle::after { transform: translateX(16px); }
.toggle-label input:focus-visible + .toggle { outline: 3px solid var(--primary-soft); }

.vault-heading { align-items: center; }
.search-field { width: min(260px, 46%); }
.search-field input { height: 40px; padding: 0 12px; }

.security-note {
  display: flex;
  gap: 10px;
  margin: -4px 0 18px;
  padding: 11px 12px;
  border-left: 3px solid var(--warning);
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.security-note strong { flex: 0 0 auto; color: var(--text); }

.empty-state {
  display: grid;
  justify-items: center;
  padding: 76px 20px;
  color: var(--muted);
  text-align: center;
}

.empty-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border: 1px dashed var(--border-strong);
  border-radius: 50%;
  color: var(--primary);
  font-size: 26px;
}

.empty-state strong { color: var(--text); }
.empty-state p { margin: 7px 0 0; font-size: 13px; }

.account-list { display: grid; gap: 12px; }

.account-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.account-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
}

.account-identity { display: flex; align-items: center; min-width: 0; gap: 12px; }
.account-avatar { flex: 0 0 auto; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 7px; background: var(--primary-soft); color: var(--primary); font-weight: 800; }
.account-identity > div { min-width: 0; }
.account-issuer { overflow: hidden; margin: 0; font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
.account-name { overflow: hidden; margin: 4px 0 0; color: var(--muted); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }

.account-code-area { flex: 0 0 auto; text-align: right; }
.account-code { display: block; border: 0; padding: 0; background: transparent; font-family: Consolas, "SFMono-Regular", monospace; font-size: 25px; font-weight: 800; cursor: pointer; }
.account-code:hover { color: var(--primary); }
.account-seconds { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.card-progress { height: 3px; margin: 0; border-radius: 0; }

.account-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  background: var(--surface-alt);
}

.account-secret { color: var(--muted); font-size: 11px; }
.account-actions { display: flex; gap: 2px; }

.text-button {
  border: 0;
  padding: 6px 8px;
  border-radius: 5px;
  background: transparent;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.text-button:hover { background: var(--primary-soft); }
.text-button.danger { color: var(--danger); }
.text-button.danger:hover { background: var(--danger-soft); }

.toast {
  position: fixed;
  z-index: 10;
  left: 50%;
  bottom: 24px;
  max-width: min(440px, calc(100% - 32px));
  transform: translateX(-50%);
  padding: 11px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--text);
  color: var(--surface);
  box-shadow: var(--shadow);
  font-size: 13px;
  font-weight: 700;
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 980px) {
  .main-grid { grid-template-columns: 1fr; }
  .generator-panel { position: static; }
}

@media (max-width: 620px) {
  .header-inner, .workspace { width: min(100% - 24px, 1400px); }
  .header-inner { min-height: 68px; }
  .local-badge { display: none; }
  .workspace { padding-top: 18px; }
  .control-strip { align-items: flex-start; }
  .control-strip > div:first-child { display: grid; gap: 3px; }
  .button { padding: 0 12px; }
  .generator-panel, .vault-panel { padding: 18px; }
  .section-heading { align-items: flex-start; }
  .vault-heading { display: grid; }
  .search-field { width: 100%; }
  .code-stage { align-items: center; padding: 16px; }
  .current-code { font-size: 30px; }
  .parsed-details { grid-template-columns: 1fr; }
  .save-row { align-items: stretch; flex-direction: column; }
  .input-actions { align-items: flex-start; flex-direction: column; }
  .security-note { display: grid; }
  .account-main { align-items: flex-start; }
  .account-footer { align-items: flex-start; flex-direction: column; }
  .account-actions { width: 100%; justify-content: flex-end; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}