:root {
  color-scheme: light;
  --bg: #f2f6ff;
  --page: #f5f7fb;
  --panel: #ffffff;
  --panel-soft: #f6f6f9;
  --field: #ffffff;
  --ink: #0c245d;
  --text: #203761;
  --muted: #959ab0;
  --line: #e6eaf4;
  --line-strong: #d7def0;
  --primary: #6d79ff;
  --primary-dark: #1737ff;
  --primary-soft: #eef0ff;
  --cyan: #23d8c2;
  --green: #51bb6f;
  --orange: #ff982f;
  --coral: #ff6746;
  --red: #ff0000;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --shadow: 0 10px 24px rgba(62, 82, 150, 0.06);
  --shadow-soft: 0 6px 16px rgba(62, 82, 150, 0.05);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--text);
  font-family: "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

body::before {
  content: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 20px 24px 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.topbar > div {
  min-width: 0;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.user-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--ink);
  padding: 0 var(--space-2);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.login-view {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 110px);
  padding: var(--space-4);
}

.login-view[hidden],
.app-hidden,
.admin-only {
  display: none;
}

#appView.app-hidden,
.layout.app-hidden {
  display: none;
}

body.is-admin .admin-only {
  display: block;
}

body:not(.is-admin) .layout {
  grid-template-columns: minmax(520px, 980px);
}

body:not(.is-admin) .workflow-panel,
body:not(.is-admin) .queue-panel {
  grid-column: 1;
}

.login-card {
  width: min(420px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
  padding: var(--space-4);
}

.login-card h2 {
  margin-bottom: var(--space-1);
}

.login-card .meta {
  margin-bottom: var(--space-3);
}

.users-list {
  display: grid;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.users-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border-radius: var(--radius);
  background: #f8fafc;
  padding: var(--space-1) var(--space-2);
}

h1 {
  color: var(--ink);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.25;
}

h1::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 22px;
  margin-right: 12px;
  border-radius: 7px;
  background: var(--primary);
  vertical-align: -3px;
  box-shadow: 0 8px 18px rgba(109, 121, 255, 0.22);
}

h2 {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

h3 {
  margin: var(--space-3) 0 var(--space-2);
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
}

#status {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.topbar button {
  width: auto;
  min-width: 108px;
}

.layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(520px, 980px);
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4) var(--space-4);
  align-items: start;
  justify-content: center;
}

.panel {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  padding: var(--space-3);
}

.composer {
  align-self: start;
}

.side-config {
  grid-column: 1;
}

.workflow-panel {
  grid-column: 2;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.ready-badge {
  flex: 0 0 auto;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 14px;
  background: rgba(81, 187, 111, 0.13);
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.ready-badge.warn {
  background: rgba(255, 152, 47, 0.14);
  color: var(--orange);
}

label {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

.inline-check {
  position: relative;
  grid-template-columns: 18px 1fr;
  align-items: center;
  gap: var(--space-1);
  min-height: 30px;
  color: var(--text);
  font-weight: 500;
}

.inline-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.divider {
  height: 1px;
  background: var(--line);
  margin: var(--space-3) 0;
}

.retry-box {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fafc;
}

.tts-box {
  margin: 0 0 var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(246, 246, 249, 0.78);
}

.compact-head {
  margin-bottom: var(--space-2);
}

.core-card {
  position: relative;
  margin: 0 0 var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.workflow-panel > .core-card {
  padding-left: calc(var(--space-3) + 10px);
}

.workflow-panel > .step-card::before {
  content: "";
  position: absolute;
  top: var(--space-3);
  bottom: var(--space-3);
  left: var(--space-3);
  width: 3px;
  border-radius: 999px;
  background: #d8def0;
}

.workflow-panel > .step-avatar::before {
  background: var(--primary);
}

.workflow-panel > .step-audio::before {
  background: var(--cyan);
}

.workflow-panel > .step-video::before {
  background: var(--green);
}

.core-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.core-head h3 {
  margin: 0 0 6px;
  color: var(--ink);
  font-size: 18px;
}

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

.source-select {
  width: min(240px, 100%);
  margin-bottom: 0;
}

.dual-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.choice-card,
.audio-source-panel {
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fafbff;
}

.audio-source-panel {
  display: grid;
  gap: var(--space-2);
}

.tts-action-row {
  display: grid;
  grid-template-columns: minmax(180px, 280px) 1fr;
  gap: var(--space-2);
  align-items: center;
}

.source-hidden {
  display: none;
}

.compact-advanced {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(234, 235, 240, 0.9);
}

.retry-title {
  margin-bottom: var(--space-2);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

input,
select,
textarea,
button {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
}

input,
select,
textarea {
  min-height: 40px;
  padding: 10px 12px;
  background: var(--field);
  color: var(--ink);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

input::placeholder,
textarea::placeholder {
  color: #b8bed0;
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(109, 121, 255, 0.55);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(109, 121, 255, 0.12);
}

input[type="file"] {
  min-height: 44px;
  padding: 7px 10px;
  color: var(--muted);
}

input[type="file"]::file-selector-button {
  height: 30px;
  margin-right: 10px;
  border: 0;
  border-radius: 6px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
}

select {
  cursor: pointer;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

button {
  min-height: 42px;
  padding: 0 18px;
  border-color: var(--line);
  background: #ffffff;
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

button:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 18px rgba(109, 121, 255, 0.12);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
  box-shadow: none;
}

.small-button {
  width: auto;
  min-height: 34px;
  padding: 0 14px;
  font-size: 12px;
}

.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(109, 121, 255, 0.22);
}

.primary:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

.text-button {
  min-height: 34px;
  border-color: transparent;
  background: transparent;
  color: var(--primary);
  box-shadow: none;
}

.text-button:hover {
  border-color: transparent;
  background: var(--primary-soft);
  box-shadow: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.upload-column {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.upload-label {
  margin-bottom: 0;
}

.preview-box {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  min-height: 178px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: #fbfcff;
  padding: var(--space-2);
  overflow: hidden;
  color: var(--muted);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.preview-box:hover {
  border-color: rgba(109, 121, 255, 0.75);
  box-shadow: inset 0 0 0 1px rgba(109, 121, 255, 0.05);
}

.preview-box img,
.preview-box video {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  border-radius: var(--radius);
  background: #0b163b;
}

.preview-box audio {
  width: 100%;
}

.preview-box strong {
  color: var(--ink);
  font-size: 13px;
  overflow-wrap: anywhere;
}

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

.muted-box {
  place-content: center;
  text-align: center;
}

.hint {
  margin: var(--space-2) 0 var(--space-3);
  color: var(--text);
  font-size: 13px;
}

.advanced {
  margin-bottom: var(--space-3);
  border-radius: var(--radius);
}

.advanced summary {
  cursor: pointer;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.queue-panel {
  grid-column: 2;
  align-self: start;
  padding: var(--space-3);
}

.jobs {
  display: grid;
  gap: var(--space-2);
}

.performance-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fafc;
  padding: var(--space-2) var(--space-3);
  color: var(--ink);
}

.performance-card strong {
  font-size: 14px;
}

.performance-card span {
  color: var(--text);
  font-size: 13px;
  text-align: right;
}

.job {
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.job-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.job-id {
  color: var(--ink);
  font-family: "Microsoft YaHei", Arial, sans-serif;
  font-size: 15px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.badge {
  flex: 0 0 auto;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 12px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.badge.completed {
  background: rgba(81, 187, 111, 0.13);
  color: var(--green);
}

.badge.failed {
  background: rgba(255, 103, 70, 0.13);
  color: var(--coral);
}

.badge.running,
.badge.queued,
.badge.submitted,
.badge.pending {
  background: rgba(255, 152, 47, 0.14);
  color: var(--orange);
}

.completed {
  color: var(--green);
}

.failed {
  color: var(--coral);
}

.running,
.queued {
  color: var(--orange);
}

.progress-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin: var(--space-2) 0 var(--space-1);
}

.progress-row strong {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
}

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

.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #edf0f8;
  margin-bottom: var(--space-2);
}

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0 0 var(--space-2);
}

.metric-row span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
}

.queue-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.compact-queue-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.queue-grid div {
  min-width: 0;
  border-radius: var(--radius);
  background: var(--panel-soft);
  padding: 8px 10px;
}

.queue-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.queue-grid strong {
  display: block;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.credit-estimate {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-2) 0 var(--space-3);
}

.credit-estimate div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fafbff;
  padding: var(--space-2);
}

.credit-estimate span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}

.credit-estimate strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: var(--primary);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 16px rgba(109, 121, 255, 0.18);
}

.download-button:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 1fr;
    max-width: 980px;
    margin: 0 auto;
  }

  .queue-panel {
    grid-column: auto;
  }

  .side-config,
  .workflow-panel {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 14px;
    background: #f6f8ff;
  }

  .topbar,
  .layout {
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .topbar {
    position: sticky;
    top: 0;
    align-items: stretch;
    flex-direction: row;
    gap: var(--space-2);
    margin: 0;
    padding: var(--space-2);
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  .top-actions {
    gap: var(--space-1);
  }

  .user-badge {
    display: none;
  }

  h1 {
    font-size: 17px;
    line-height: 1.25;
  }

  h1::before {
    width: 26px;
    height: 16px;
    margin-right: 8px;
    border-radius: 5px;
    vertical-align: -2px;
  }

  #status {
    max-width: calc(100vw - 116px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .topbar button {
    min-width: 76px;
    min-height: 38px;
    padding: 0 10px;
    font-size: 12px;
  }

  .layout {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-2);
  }

  .workflow-panel {
    order: 1;
  }

  .queue-panel {
    order: 2;
  }

  .side-config {
    order: 3;
  }

  .panel {
    padding: var(--space-3);
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(62, 82, 150, 0.06);
  }

  .section-head {
    align-items: flex-start;
    margin-bottom: var(--space-3);
  }

  .ready-badge {
    min-height: 26px;
    padding: 0 10px;
    font-size: 11px;
  }

  h2 {
    font-size: 17px;
  }

  h3,
  .core-head h3 {
    font-size: 16px;
  }

  label {
    margin-bottom: var(--space-2);
    font-size: 13px;
  }

  input,
  select,
  textarea,
  button {
    min-height: 44px;
    font-size: 16px;
  }

  textarea {
    min-height: 132px;
  }

  .small-button {
    width: auto;
    min-height: 38px;
    font-size: 12px;
  }

  .grid,
  .button-row,
  .upload-grid,
  .dual-choice-grid,
  .queue-grid,
  .credit-estimate {
    grid-template-columns: 1fr;
  }

  .core-head {
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
  }

  .source-select {
    width: 100%;
  }

  .core-card {
    margin-bottom: var(--space-2);
    padding: var(--space-3);
  }

  .choice-card,
  .audio-source-panel {
    padding: var(--space-2);
  }

  .preview-box {
    min-height: 132px;
    padding: 10px;
  }

  .preview-box img,
  .preview-box video {
    max-height: 260px;
  }

  .tts-action-row {
    grid-template-columns: 1fr;
  }

  #generateTtsBtn,
  #createBtn {
    min-height: 48px;
    font-size: 15px;
  }

  #createBtn {
    position: sticky;
    bottom: 10px;
    z-index: 6;
  }

  .performance-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .performance-card span {
    text-align: left;
  }

  .job {
    padding: var(--space-2);
  }

  .job-head,
  .progress-row {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-1);
  }

  .job-id {
    font-size: 13px;
  }

  .badge {
    min-height: 26px;
  }

  .actions,
  .download-button {
    width: 100%;
  }

  .download-button {
    min-height: 42px;
  }

  .advanced summary {
    min-height: 38px;
    display: flex;
    align-items: center;
  }
}

@media (max-width: 420px) {
  .layout {
    padding: var(--space-2);
  }

  .panel,
  .core-card {
    padding: var(--space-2);
  }

  h1 {
    font-size: 16px;
  }

  h1::before {
    display: none;
  }

  .topbar button {
    min-width: 68px;
  }
}