:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --bg-image: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0));
  --surface: #ffffff;
  --surface-soft: #f1f4f6;
  --line: #dfe5e8;
  --line-strong: #cbd5da;
  --text: #111827;
  --muted: #64717c;
  --subtle: #8a96a0;
  --accent: #0f9f8f;
  --accent-soft: #dff8f4;
  --danger: #dc2626;
  --shadow: 0 16px 48px rgba(29, 41, 57, 0.08);
  --surface-glass: rgba(255, 255, 255, 0.72);
  --code-surface: #f8fafb;
  --danger-surface: #fff1f2;
  --danger-surface-strong: #ffe4e6;
  --danger-soft: #fee2e2;
  --modal-backdrop: rgba(17, 24, 39, 0.32);
  --panel-shadow: 0 24px 80px rgba(17, 24, 39, 0.2);
  --theme-duration: 260ms;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d151b;
  --bg-image:
    linear-gradient(135deg, rgba(45, 212, 191, 0.10), rgba(13, 21, 27, 0) 34%),
    linear-gradient(180deg, #0d151b 0%, #101a21 58%, #0f171d 100%);
  --surface: #152027;
  --surface-soft: #1b2a32;
  --line: #2b3b43;
  --line-strong: #3a4d56;
  --text: #eef7f8;
  --muted: #a6b6bd;
  --subtle: #81929a;
  --accent: #38dcca;
  --accent-soft: rgba(45, 212, 191, 0.18);
  --danger: #fb7185;
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.28);
  --surface-glass: rgba(21, 32, 39, 0.78);
  --code-surface: #101a20;
  --danger-surface: rgba(244, 63, 94, 0.12);
  --danger-surface-strong: rgba(244, 63, 94, 0.2);
  --danger-soft: rgba(244, 63, 94, 0.16);
  --modal-backdrop: rgba(0, 0, 0, 0.54);
  --panel-shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image: var(--bg-image);
  background-attachment: fixed;
  color: var(--text);
  transition: background-color var(--theme-duration) ease, color var(--theme-duration) ease;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

.app {
  width: min(920px, calc(100% - 28px));
  margin: 0 auto;
  padding: clamp(42px, 9vh, 86px) 0 40px;
}

.hero {
  display: grid;
  justify-items: center;
  gap: 18px;
  margin-bottom: 18px;
  text-align: center;
}

.top-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-actions .icon-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.top-actions svg,
.theme-icon {
  width: 18px;
  height: 18px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.top-actions .theme-icon-sun {
  display: none;
}

:root[data-theme="dark"] .top-actions .theme-icon-sun {
  display: block;
}

:root[data-theme="dark"] .top-actions .theme-icon-moon {
  display: none;
}

.brand-icon {
  width: 58px;
  height: 58px;
  display: block;
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(15, 118, 110, 0.22);
}

.brand {
  margin: 0;
  font-size: clamp(34px, 8vw, 64px);
  line-height: 1;
  letter-spacing: 0;
  font-weight: 760;
}

.search-wrap {
  position: relative;
  width: min(680px, 100%);
}

.api-link {
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
}

.api-link:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.home-footer {
  width: min(680px, 100%);
  margin: 28px auto 0;
  display: grid;
  justify-items: center;
  gap: 14px;
  color: var(--subtle);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}

.footer-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.feature-tag {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-glass);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.github-mark {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: none;
}

.search-input {
  width: 100%;
  height: 56px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 138px 0 22px;
  outline: none;
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.search-input:focus {
  border-color: var(--line-strong);
  box-shadow: 0 18px 54px rgba(29, 41, 57, 0.12);
}

.search-actions {
  position: absolute;
  top: 50%;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
  transform: translateY(-50%);
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  color: var(--muted);
  transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}

.icon-btn:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.icon-btn:active {
  transform: scale(0.96);
}

.icon-btn.danger:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

.icon-btn:disabled {
  cursor: not-allowed;
  color: var(--subtle);
  opacity: 0.45;
}

.icon-btn:disabled:hover {
  color: var(--subtle);
  background: none;
}

.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  pointer-events: none;
}

.top-actions .icon-btn,
.search-input,
.api-link,
.feature-tag,
.footer-link,
.current-card,
.empty,
.record,
.mini-code,
.totp-code,
.toast,
.qr-panel,
.scan-panel,
.edit-panel,
.confirm-panel,
.language-panel,
.copy-row,
.code-box,
.text-btn,
.field-grid input,
.field-grid select,
.language-option {
  transition:
    background-color var(--theme-duration) ease,
    border-color var(--theme-duration) ease,
    color var(--theme-duration) ease,
    box-shadow var(--theme-duration) ease,
    transform 140ms ease;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  opacity: 0;
  pointer-events: none;
}

.current {
  width: min(680px, 100%);
  margin: 0 auto 22px;
  min-height: 188px;
}

.current-card {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: border-color 700ms ease, box-shadow 700ms ease, background-color 700ms ease;
}

.current-card.urgent {
  border-color: rgba(220, 38, 38, 0.44);
  background: var(--danger-surface);
  box-shadow: 0 18px 54px rgba(220, 38, 38, 0.14);
}

.empty {
  padding: 30px 18px;
  color: var(--muted);
  text-align: center;
  line-height: 1.65;
  border: 1px dashed var(--line-strong);
  border-radius: 16px;
  background: var(--surface-glass);
}

.meta-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.info-stack {
  min-width: 0;
  display: grid;
  justify-items: start;
  gap: 6px;
}

.identity {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.identity strong,
.identity span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.identity strong {
  font-size: 16px;
}

.identity span {
  color: var(--muted);
  font-size: 13px;
}

.credential-lines {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.credential-line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  font-size: 12px;
}

.credential-label {
  color: var(--muted);
  font-weight: 650;
}

.credential-value {
  width: fit-content;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #2563eb;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0;
  text-align: left;
  user-select: none;
  border-radius: 8px;
  transition: color 140ms ease, text-shadow 140ms ease;
}

.credential-value:hover {
  color: #1d4ed8;
  text-shadow: 0 0 0 currentColor;
}

.credential-value.copied {
  color: #047857;
  text-shadow: 0.35px 0 0 currentColor;
}

.quick-actions {
  display: flex;
  gap: 4px;
}

.code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 138px;
  gap: 14px;
  align-items: center;
}

.current-card .code-row {
  transform: translateY(-6px);
}

.totp-code {
  width: 100%;
  min-height: 76px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--text);
  background: var(--code-surface);
  border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(42px, 10vw, 66px);
  font-weight: 760;
  line-height: 1;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: color 700ms ease, border-color 700ms ease, background-color 700ms ease, box-shadow 700ms ease;
}

.current-card.urgent .totp-code {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.5);
  background: var(--danger-surface);
  box-shadow: inset 0 0 0 1px rgba(220, 38, 38, 0.08);
}

.totp-code:hover {
  color: var(--accent);
  border-color: rgba(15, 159, 143, 0.48);
  background: var(--accent-soft);
  box-shadow: 0 14px 28px rgba(15, 159, 143, 0.12);
  transform: translateY(-1px);
}

.totp-code:active {
  transform: translateY(0);
  box-shadow: inset 0 0 0 1px rgba(15, 159, 143, 0.1);
}

.current-card.urgent .totp-code:hover {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.58);
  background: var(--danger-surface-strong);
  box-shadow: 0 14px 28px rgba(220, 38, 38, 0.14);
}

.timer {
  display: grid;
  gap: 8px;
  align-content: center;
  min-height: 76px;
}

.timer-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  transition: color 700ms ease;
}

.current-card.urgent .timer-top,
.current-card.urgent .hint {
  color: var(--danger);
}

.bar {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-soft);
}

.bar-fill {
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #34d399);
  transform-origin: left center;
  transform: scaleX(var(--progress, 0));
  will-change: transform;
  transition: background 700ms ease;
}

.current-card.urgent .bar-fill {
  background: linear-gradient(90deg, #ef4444, var(--danger));
}

.hint {
  color: var(--subtle);
  font-size: 12px;
}

.history {
  width: min(560px, 100%);
  margin: 0 auto;
}

.history-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  padding: 10px 2px;
  color: var(--muted);
  font-size: 13px;
}

.history-head h2 {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 720;
}

.history-tools {
  display: flex;
  align-items: center;
  gap: 4px;
}

.history-tools .icon-btn {
  width: 30px;
  height: 30px;
}

.history-tools .icon {
  width: 17px;
  height: 17px;
}

.records {
  display: grid;
  gap: 6px;
}

.record {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 92px 128px;
  gap: 6px;
  align-items: center;
  min-height: 48px;
  padding: 6px 6px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.record.active {
  border-color: rgba(15, 159, 143, 0.34);
  background: linear-gradient(0deg, rgba(15, 159, 143, 0.05), rgba(15, 159, 143, 0.05)), var(--surface);
}

.record:hover {
  border-color: rgba(15, 159, 143, 0.42);
  background: linear-gradient(0deg, rgba(15, 159, 143, 0.07), rgba(15, 159, 143, 0.07)), var(--surface);
  box-shadow: 0 10px 24px rgba(15, 159, 143, 0.08);
  transform: translateY(-1px);
}

.record.active:hover {
  border-color: rgba(15, 159, 143, 0.56);
  background: linear-gradient(0deg, rgba(15, 159, 143, 0.1), rgba(15, 159, 143, 0.1)), var(--surface);
}

.record-info {
  min-width: 0;
  display: grid;
  justify-items: start;
  gap: 1px;
}

.record-title {
  min-width: 0;
  display: grid;
  gap: 1px;
  text-align: left;
  color: inherit;
}

.record-title strong,
.record-title span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.record-title strong {
  font-size: 14px;
  font-weight: 690;
}

.record-title span {
  color: var(--muted);
  font-size: 12px;
}

.record-secret {
  width: fit-content;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #2563eb;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0;
  text-align: left;
  user-select: none;
  border-radius: 7px;
  transition: color 140ms ease, text-shadow 140ms ease;
}

.record-secret:hover {
  color: #1d4ed8;
  text-shadow: 0 0 0 currentColor;
}

.record-secret.copied {
  color: #047857;
  text-shadow: 0.35px 0 0 currentColor;
}

.mini-code {
  min-height: 36px;
  border-radius: 10px;
  color: var(--text);
  background: var(--code-surface);
  border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: color 700ms ease, border-color 700ms ease, background-color 700ms ease;
}

.record.urgent .mini-code {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.46);
  background: var(--danger-surface);
}

.mini-code:hover {
  color: var(--accent);
  border-color: rgba(15, 159, 143, 0.46);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.mini-code:active {
  transform: translateY(0);
}

.record.urgent .mini-code:hover {
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.56);
  background: var(--danger-surface-strong);
}

.record-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1px;
}

.record-actions .icon-btn {
  width: 30px;
  height: 32px;
}

.record-actions .icon {
  width: 17px;
  height: 17px;
}

.toast {
  position: fixed;
  left: 50%;
  top: 18px;
  z-index: 40;
  width: max-content;
  max-width: calc(100% - 28px);
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-glass);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -14px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  place-items: center;
  padding: 18px;
  background: var(--modal-backdrop);
}

.modal.open {
  display: grid;
}

.language-popover {
  position: fixed;
  z-index: 35;
  display: none;
  width: min(178px, calc(100vw - 24px));
  opacity: 0;
  transform: translateY(-4px);
}

.language-popover.open {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.qr-panel,
.scan-panel {
  width: min(360px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 18px;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--panel-shadow);
}

.language-panel {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--panel-shadow);
}

.scan-panel {
  width: min(420px, 100%);
}

.scan-video-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #111827;
}

.scan-video-wrap::after {
  content: "";
  position: absolute;
  inset: 18%;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 18px;
  box-shadow: 0 0 0 999px rgba(17, 24, 39, 0.16);
  pointer-events: none;
}

.scan-video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.edit-panel,
.confirm-panel {
  width: min(420px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 18px;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--panel-shadow);
}

.confirm-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.qr-head {
  min-width: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.qr-head strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.field-grid {
  display: grid;
  gap: 10px;
}

.field-grid label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.field-grid input,
.field-grid select {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 10px;
  outline: none;
  color: var(--text);
  background: var(--surface);
}

.edit-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.text-btn {
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  background: var(--surface-soft);
}

.text-btn.primary {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.copy-list {
  min-width: 0;
  max-width: 100%;
  justify-self: stretch;
  display: grid;
  gap: 8px;
}

.copy-row {
  min-width: 0;
  max-width: 100%;
  justify-self: stretch;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 34px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: inherit;
  background: var(--code-surface);
  text-align: left;
}

.copy-row span {
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
}

.copy-row code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.language-options {
  display: grid;
  gap: 2px;
}

.language-option {
  min-width: 0;
  min-height: 34px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  color: var(--text);
  background: transparent;
  text-align: left;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease;
}

.language-option:hover {
  background: var(--surface-soft);
}

.language-option.active {
  color: var(--accent);
  background: var(--accent-soft);
}

.language-option span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 650;
}

.home-view.hidden,
.api-view {
  display: none;
}

.api-view.active {
  width: min(720px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.api-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.api-top h2 {
  margin: 0;
  font-size: 22px;
}

.api-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.api-card h3 {
  margin: 0;
  font-size: 15px;
}

.api-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.code-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--code-surface);
}

.code-box pre {
  margin: 0;
  overflow-x: auto;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

#qrCanvas {
  width: 100%;
  max-width: 300px;
  height: auto;
  display: block;
  justify-self: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
}

@media (max-width: 640px) {
  .app {
    width: min(100% - 18px, 920px);
    padding-top: 34px;
  }

  .search-input {
    height: 52px;
    padding-left: 18px;
    padding-right: 124px;
  }

  .current-card {
    padding: 12px;
  }

  .code-row,
  .record {
    grid-template-columns: minmax(0, 1fr);
  }

  .timer {
    min-height: auto;
  }

  .record {
    gap: 6px;
  }

  .record-actions {
    justify-content: flex-start;
  }

  .mini-code {
    width: 100%;
  }
}