:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --panel: #ffffff;
  --panel-soft: #fbfcfc;
  --ink: #172025;
  --muted: #66747d;
  --line: #d9e0e4;
  --accent: #007c89;
  --accent-strong: #005e68;
  --button-bg: #ffffff;
  --table-head: #eef4f5;
  --table-head-ink: #36454c;
  --code-bg: #10181c;
  --code-ink: #d9f7ee;
  --warn: #b54708;
  --danger: #c2412d;
  --ok: #13803b;
  --shadow: 0 12px 30px rgba(24, 37, 43, 0.08);
  --glow: none;
  --page-overlay: none;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.theme-dark {
  color-scheme: dark;
  --bg: #071014;
  --panel: rgba(10, 23, 29, 0.92);
  --panel-soft: rgba(13, 32, 39, 0.86);
  --ink: #e8fbff;
  --muted: #91aeb8;
  --line: rgba(98, 236, 255, 0.22);
  --accent: #1ad7e5;
  --accent-strong: #72f3ff;
  --button-bg: rgba(8, 22, 29, 0.92);
  --table-head: rgba(16, 55, 66, 0.92);
  --table-head-ink: #c9f8ff;
  --code-bg: #02090d;
  --code-ink: #a9fff0;
  --warn: #ffbd68;
  --danger: #ff776c;
  --ok: #69f59a;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
  --glow: 0 0 0 1px rgba(26, 215, 229, 0.16), 0 0 26px rgba(26, 215, 229, 0.12);
  --page-overlay:
    linear-gradient(rgba(26, 215, 229, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 215, 229, 0.035) 1px, transparent 1px);
}

body.theme-dark {
  background-color: var(--bg);
  background-image: var(--page-overlay);
  background-size: 32px 32px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  background: var(--button-bg);
  color: var(--ink);
  cursor: pointer;
}

button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.nav-link,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  background: var(--button-bg);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.nav-link:hover,
.button-link:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  background: var(--button-bg);
  color: var(--ink);
}

textarea {
  resize: vertical;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px 28px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.topbar h1 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.1;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.connection,
.toolbar,
.download-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.segmented {
  display: inline-flex;
  min-height: 36px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--button-bg);
}

.segmented button {
  min-height: 34px;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0 10px;
}

.segmented button + button {
  border-left: 1px solid var(--line);
}

.segmented button.active {
  background: var(--accent);
  color: #fff;
}

body.theme-dark .segmented button.active,
body.theme-dark button.primary {
  color: #031014;
  box-shadow: 0 0 18px rgba(26, 215, 229, 0.28);
}

.toolbar.tight {
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.pill.ok {
  border-color: rgba(19, 128, 59, 0.28);
  color: var(--ok);
}

.pill.warn {
  border-color: rgba(181, 71, 8, 0.3);
  color: var(--warn);
}

.shell {
  display: grid;
  gap: 18px;
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 20px 28px 32px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow), var(--glow);
}

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

.section-head h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0;
}

.section-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(6, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.metrics.compact {
  grid-template-columns: repeat(2, minmax(130px, 1fr));
}

.metrics div {
  min-height: 70px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: var(--panel-soft);
}

.metrics span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.metrics strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 18px;
  letter-spacing: 0;
}

.transcribe-tools {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(180px, 1fr);
  gap: 10px;
  margin: 12px 0;
}

.transcribe-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 12px 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--panel-soft);
}

.transcribe-status span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.transcribe-status strong {
  overflow-wrap: anywhere;
  color: var(--accent-strong);
  text-align: right;
}

.transcript-box {
  min-height: 170px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
}

.notice-panel {
  background: var(--panel-soft);
}

.auth-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(360px, 1.1fr);
  gap: 18px;
}

.auth-login h3,
.auth-register h3 {
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: 0;
}

.auth-fields {
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.auth-fields .wide {
  grid-column: 1 / -1;
}

.auth-table {
  margin-top: 14px;
}

.auth-table table {
  min-width: 900px;
}

.admin-layout,
.manual-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
}

.side-nav {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 8px;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.side-nav a,
.side-nav button {
  justify-content: flex-start;
  width: 100%;
  text-align: left;
}

.manual-frame {
  overflow: hidden;
  min-height: 760px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.manual-frame iframe {
  display: block;
  width: 100%;
  height: 760px;
  border: 0;
}

.spec-grid,
.faq-list {
  display: grid;
  gap: 10px;
}

.spec-row,
.faq-item {
  display: grid;
  grid-template-columns: minmax(120px, 0.35fr) minmax(0, 1fr);
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: var(--panel-soft);
}

.spec-row span,
.faq-item span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.spec-row strong,
.faq-item strong {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.support-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.support-card img {
  width: 240px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.download-line {
  margin-bottom: 12px;
}

.download-line label {
  min-width: 170px;
  flex: 1;
}

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

.file-table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  font-size: 13px;
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--table-head);
  color: var(--table-head-ink);
  font-size: 12px;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.empty {
  color: var(--muted);
  text-align: center;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.row-actions button {
  min-height: 30px;
  padding: 0 9px;
  font-size: 12px;
}

.danger-zone {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-top: 12px;
}

.danger-zone button {
  border-color: rgba(194, 65, 45, 0.35);
  color: var(--danger);
}

.confirm {
  display: flex;
  grid-template-columns: none;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
}

.confirm input {
  width: 16px;
  height: 16px;
}

.raw-grid {
  display: grid;
  grid-template-columns: 90px 90px 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.raw-grid .wide {
  min-width: 0;
}

.raw-frame {
  margin-top: 12px;
}

.test-output,
#log {
  overflow: auto;
  min-height: 160px;
  max-height: 360px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: var(--code-bg);
  color: var(--code-ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.test-output {
  margin-top: 12px;
  min-height: 120px;
}

.download-result {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.download-result a {
  color: var(--accent-strong);
  font-weight: 700;
}

body.theme-dark .topbar {
  box-shadow: 0 1px 0 rgba(114, 243, 255, 0.12), 0 18px 48px rgba(0, 0, 0, 0.32);
}

body.theme-dark .eyebrow {
  color: var(--accent-strong);
  text-shadow: 0 0 18px rgba(114, 243, 255, 0.42);
}

body.theme-dark .panel {
  backdrop-filter: blur(16px);
}

body.theme-dark .pill.ok {
  background: rgba(105, 245, 154, 0.08);
}

body.theme-dark .pill.warn {
  background: rgba(255, 189, 104, 0.08);
}

body.theme-dark input:focus,
body.theme-dark select:focus,
body.theme-dark textarea:focus,
body.theme-dark button:focus-visible,
body.theme-dark a:focus-visible {
  outline: 2px solid rgba(114, 243, 255, 0.62);
  outline-offset: 2px;
}

@media (max-width: 960px) {
  .topbar {
    position: static;
  }

  .topbar,
  .section-head,
  .danger-zone {
    align-items: stretch;
    flex-direction: column;
  }

  .grid-two,
  .metrics,
  .transcribe-tools {
    grid-template-columns: 1fr;
  }

  .connection,
  .toolbar,
  .download-line {
    align-items: stretch;
  }

  .connection button,
  .toolbar button,
  .download-line button,
  .download-line label {
    width: 100%;
  }

  .shell {
    padding: 16px;
  }

  .raw-grid {
    grid-template-columns: 1fr;
  }

  .auth-grid {
    grid-template-columns: 1fr;
  }

  .auth-fields .wide {
    grid-column: auto;
  }

  .admin-layout,
  .manual-layout,
  .support-card,
  .spec-row,
  .faq-item {
    grid-template-columns: 1fr;
  }

  .side-nav {
    position: static;
  }

  .manual-frame,
  .manual-frame iframe {
    min-height: 520px;
    height: 520px;
  }
}

.support-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.support-qr-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel-soft);
}

.support-qr-card img {
  width: 132px;
  height: 132px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.support-qr-card strong,
.support-qr-card span {
  display: block;
}

.support-qr-card strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.25;
}

.support-qr-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

body.theme-dark .support-qr-card {
  box-shadow: 0 0 0 1px rgba(26, 215, 229, 0.08), 0 16px 34px rgba(0, 0, 0, 0.18);
}

@media (max-width: 960px) {
  .support-qr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .support-qr-card {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 8px;
    padding: 8px;
    text-align: center;
  }

  .support-qr-card img {
    width: min(118px, 100%);
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .support-qr-card strong {
    font-size: 15px;
  }

  .support-qr-card span {
    font-size: 12px;
  }
}

.support-section {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--line));
}

.support-section .section-head {
  margin-bottom: 12px;
}

.floating-buy-link {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 72%, var(--line));
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 14px 30px rgba(0, 124, 137, 0.24);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
}

.floating-buy-link:hover {
  background: var(--accent-strong);
  color: #fff;
}

body.theme-dark .floating-buy-link {
  color: #031014;
  box-shadow: 0 0 20px rgba(26, 215, 229, 0.3), 0 14px 30px rgba(0, 0, 0, 0.34);
}

@media (max-width: 560px) {
  .floating-buy-link {
    right: 12px;
    bottom: 12px;
    min-height: 40px;
    padding: 0 13px;
    font-size: 14px;
  }
}

.floating-buy-qr {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 238px;
  min-height: 0;
  padding: 10px;
  background: var(--panel);
  color: var(--ink);
  text-align: left;
}

.floating-buy-qr:hover {
  background: var(--panel-soft);
  color: var(--accent-strong);
}

.floating-buy-qr img {
  width: 92px;
  height: 92px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.floating-buy-qr span,
.floating-buy-qr strong,
.floating-buy-qr small {
  display: block;
}

.floating-buy-qr strong {
  font-size: 15px;
  line-height: 1.25;
}

.floating-buy-qr small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

body.theme-dark .floating-buy-qr {
  color: var(--ink);
  background: var(--panel);
}

@media (max-width: 560px) {
  .floating-buy-qr {
    grid-template-columns: 74px minmax(0, 1fr);
    width: 200px;
    padding: 8px;
  }

  .floating-buy-qr img {
    width: 74px;
    height: 74px;
  }

  .floating-buy-qr strong {
    font-size: 14px;
  }
}