:root {
  color-scheme: light;
  --ink: #17211c;
  --muted: #65716a;
  --soft-muted: #87918b;
  --canvas: #f4f7f4;
  --surface: #ffffff;
  --surface-alt: #eef2ef;
  --line: #dce3de;
  --line-strong: #c8d1ca;
  --accent: #19734b;
  --accent-hover: #125f3d;
  --accent-soft: #e3f2e9;
  --warm: #d96545;
  --danger: #b74232;
  --danger-soft: #fbe8e4;
  --shadow: 0 14px 34px rgba(23, 33, 28, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--canvas);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(25, 115, 75, 0.22);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.content-width,
.topbar-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  border-bottom: 1px solid rgba(200, 209, 202, 0.78);
  background: rgba(244, 247, 244, 0.94);
  backdrop-filter: blur(12px);
}

.topbar-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: #ffffff;
  background: var(--accent);
}

.brand-mark .icon {
  width: 18px;
  height: 18px;
}

.brand-mark-large {
  width: 64px;
  height: 64px;
  border-radius: 8px;
}

.brand-mark-large .icon {
  width: 30px;
  height: 30px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-state {
  display: inline-flex;
  min-width: 86px;
  height: 32px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface);
  font-size: 12px;
  font-weight: 650;
}

.state-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9ca6a0;
}

.service-state.is-online .state-dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.service-state.is-offline .state-dot {
  background: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-soft);
}

.icon-button,
.input-icon-button {
  display: inline-flex;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.icon-button:hover,
.input-icon-button:hover {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--surface-alt);
}

.icon-button-subtle {
  border-color: transparent;
  background: transparent;
}

.download-band {
  padding: 46px 0 50px;
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.download-heading {
  margin-bottom: 20px;
}

.eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 34px;
  line-height: 1.18;
  font-weight: 780;
}

h2 {
  margin-bottom: 0;
  font-size: 19px;
  line-height: 1.32;
  font-weight: 740;
}

.version-label {
  color: var(--soft-muted);
  font-size: 12px;
}

.download-tool {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.url-form {
  padding: 24px;
}

.url-form > label,
.quality-fieldset legend,
.field > span {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.url-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 142px;
  gap: 10px;
}

.url-input-wrap {
  position: relative;
  min-width: 0;
}

.url-input-wrap input,
.field input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--ink);
  background: #ffffff;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.url-input-wrap input {
  padding: 0 52px 0 46px;
}

.field input {
  padding: 0 13px;
}

.url-input-wrap input:hover,
.field input:hover {
  border-color: #aebbb2;
}

.url-input-wrap input:focus,
.field input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(25, 115, 75, 0.12);
}

.url-icon {
  position: absolute;
  top: 14px;
  left: 15px;
  z-index: 1;
  color: var(--soft-muted);
}

.input-icon-button {
  position: absolute;
  top: 5px;
  right: 5px;
  border-color: transparent;
  background: transparent;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 720;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:active:not(:disabled) {
  transform: translateY(0);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

.button-primary {
  color: #ffffff;
  background: var(--accent);
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.button-dark {
  color: #ffffff;
  background: var(--ink);
}

.button-dark:hover:not(:disabled) {
  background: #29342e;
}

.button-full {
  width: 100%;
}

.analyze-button {
  min-height: 48px;
}

.form-message,
.preview-message {
  min-height: 20px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-message.is-error,
.preview-message.is-error,
.error-text {
  color: var(--danger);
}

.preview-message.is-warning {
  color: #9a4d28;
}

.preview {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  min-height: 354px;
  border-top: 1px solid var(--line);
}

.preview-media {
  position: relative;
  min-height: 354px;
  overflow: hidden;
  background: #dfe6e1;
}

.preview-media img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-media img:not([src]),
.preview-media img[src=""] {
  display: none;
}

.media-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #849087;
}

.media-placeholder .icon {
  width: 56px;
  height: 56px;
}

.preview-media.is-loading::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  background: rgba(255, 255, 255, 0.62);
  animation: pulse 1.2s ease-in-out infinite;
}

.preview-body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 24px;
}

.preview-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.source-label {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  margin-bottom: 8px;
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 11px;
  font-weight: 750;
}

.preview-title-row h2 {
  overflow-wrap: anywhere;
  font-size: 21px;
}

.preview-meta {
  display: flex;
  min-height: 24px;
  flex-wrap: wrap;
  gap: 7px 14px;
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
}

.preview-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.preview-meta .icon {
  width: 15px;
  height: 15px;
}

.quality-fieldset {
  min-width: 0;
  margin: auto 0 16px;
  padding: 0;
  border: 0;
}

.quality-control {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
}

.quality-control label {
  min-width: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
}

.quality-control label:last-child {
  border-right: 0;
}

.quality-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.quality-control span {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 6px 4px;
  color: var(--muted);
  background: var(--surface);
  text-align: center;
  transition: color 150ms ease, background-color 150ms ease;
}

.quality-control strong {
  color: inherit;
  font-size: 13px;
  line-height: 1.25;
}

.quality-control small {
  margin-top: 2px;
  color: var(--soft-muted);
  font-size: 10px;
  line-height: 1.25;
}

.quality-control input:checked + span {
  color: var(--accent);
  background: var(--accent-soft);
}

.quality-control input:focus-visible + span {
  box-shadow: inset 0 0 0 3px rgba(25, 115, 75, 0.2);
}

.quality-control input:disabled + span {
  color: #a9b1ac;
  background: #f5f7f5;
  cursor: not-allowed;
}

.download-button {
  width: 100%;
  min-height: 48px;
}

.activity-band {
  padding: 38px 0 60px;
  background: var(--surface);
}

.activity-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 54px;
}

.activity-section {
  min-width: 0;
}

.compact-heading {
  min-height: 38px;
  margin-bottom: 14px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.heading-with-count {
  display: flex;
  align-items: center;
  gap: 9px;
}

.count-badge {
  display: inline-flex;
  min-width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  border-radius: 11px;
  color: var(--muted);
  background: var(--surface-alt);
  font-size: 11px;
  font-weight: 750;
}

.refresh-button {
  width: 32px;
  height: 32px;
}

.refresh-button.is-spinning .icon {
  animation: spin 650ms linear infinite;
}

.task-list,
.file-list {
  display: grid;
  gap: 10px;
}

.empty-state {
  display: flex;
  min-height: 128px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 9px;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  color: var(--soft-muted);
  background: #fafbfa;
  font-size: 13px;
}

.empty-state .icon {
  width: 27px;
  height: 27px;
}

.task-item {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) auto;
  min-height: 92px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.task-thumb {
  position: relative;
  min-height: 92px;
  overflow: hidden;
  color: #7f8c84;
  background: var(--surface-alt);
}

.task-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.task-thumb > .icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28px;
  height: 28px;
  transform: translate(-50%, -50%);
}

.task-content {
  min-width: 0;
  padding: 13px 14px;
}

.task-title {
  overflow: hidden;
  margin: 0 0 7px;
  font-size: 13px;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.status-chip {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  padding: 1px 7px;
  border-radius: 4px;
  color: #17623f;
  background: var(--accent-soft);
  font-weight: 700;
}

.status-chip.is-error {
  color: var(--danger);
  background: var(--danger-soft);
}

.progress-track {
  height: 5px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 3px;
  background: #e8ece9;
}

.progress-value {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 300ms ease;
}

.progress-track.is-pending .progress-value {
  width: 42%;
  animation: pending 1.25s ease-in-out infinite;
}

.task-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 12px;
}

.task-actions .icon-button,
.task-actions .file-action {
  width: 34px;
  height: 34px;
}

.task-actions .danger-action:hover {
  border-color: #e9b8ae;
  color: var(--danger);
  background: var(--danger-soft);
}

.file-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  min-height: 64px;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.file-icon {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  color: var(--warm);
  background: #faece7;
}

.file-icon .icon {
  width: 18px;
  height: 18px;
}

.file-info {
  min-width: 0;
}

.file-name {
  overflow: hidden;
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-meta {
  margin: 3px 0 0;
  color: var(--soft-muted);
  font-size: 10px;
}

.file-action {
  display: inline-flex;
  min-width: 68px;
  height: 34px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  color: var(--accent);
  background: var(--surface);
  font-size: 11px;
  font-weight: 720;
  text-decoration: none;
}

.file-action:hover {
  border-color: #96bca8;
  background: var(--accent-soft);
}

.file-action .icon {
  width: 16px;
  height: 16px;
}

.file-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.file-delete-action {
  width: 34px;
  height: 34px;
  color: var(--danger);
}

.file-delete-action:hover {
  border-color: #e9b8ae;
  color: var(--danger);
  background: var(--danger-soft);
}

.confirm-dialog {
  width: min(420px, calc(100% - 32px));
  padding: 0;
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(23, 33, 28, 0.24);
}

.confirm-dialog::backdrop {
  background: rgba(23, 33, 28, 0.58);
  backdrop-filter: blur(3px);
}

.confirm-dialog-body {
  padding: 26px;
}

.dialog-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 6px;
  color: var(--danger);
  background: var(--danger-soft);
}

.dialog-copy {
  margin: 16px 0 5px;
  color: var(--muted);
  font-size: 13px;
}

.dialog-file-name {
  max-height: 72px;
  overflow: auto;
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 720;
  overflow-wrap: anywhere;
}

.dialog-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 24px;
}

.button-secondary {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--surface);
}

.button-secondary:hover:not(:disabled) {
  background: var(--surface-alt);
}

.button-danger {
  color: #ffffff;
  background: var(--danger);
}

.button-danger:hover:not(:disabled) {
  background: #96382b;
}

.login-view {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(280px, 0.86fr) minmax(420px, 1.14fr);
  background: var(--surface);
}

.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 18px;
  color: #d6e0da;
  background: var(--ink);
}

.login-brand p {
  margin: 0;
  font-size: 12px;
  font-weight: 800;
}

.login-panel {
  width: min(380px, calc(100% - 48px));
  align-self: center;
  justify-self: center;
}

.login-heading {
  margin-bottom: 30px;
}

.login-heading h1 {
  font-size: 31px;
}

.field {
  display: block;
  margin-bottom: 16px;
}

.login-panel .form-message {
  margin: -5px 0 10px;
}

.toast-region {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  display: grid;
  width: min(360px, calc(100% - 40px));
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  border: 1px solid #2c3932;
  border-radius: 6px;
  color: #ffffff;
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(23, 33, 28, 0.2);
  font-size: 13px;
  pointer-events: auto;
  animation: toast-in 180ms ease-out;
}

.toast.is-error {
  border-color: #9e3428;
  background: #8e3529;
}

.toast .icon {
  width: 18px;
  height: 18px;
}

.is-busy .icon {
  animation: spin 650ms linear infinite;
}

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

@keyframes pulse {
  50% {
    opacity: 0.45;
  }
}

@keyframes pending {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(260%);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

@media (max-width: 860px) {
  .preview {
    grid-template-columns: 1fr;
  }

  .preview-media {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .activity-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .login-view {
    grid-template-columns: 1fr;
  }

  .login-brand {
    display: none;
  }
}

@media (max-width: 620px) {
  .content-width,
  .topbar-inner {
    width: min(100% - 28px, 1160px);
  }

  .topbar {
    height: 58px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .service-state {
    min-width: 0;
    width: 34px;
    padding: 0;
  }

  .service-state span:last-child {
    display: none;
  }

  .download-band {
    padding: 30px 0 36px;
  }

  h1 {
    font-size: 29px;
  }

  .version-label {
    display: none;
  }

  .url-form,
  .preview-body {
    padding: 18px;
  }

  .url-controls {
    grid-template-columns: 1fr;
  }

  .analyze-button {
    width: 100%;
  }

  .quality-control {
    grid-template-columns: repeat(5, minmax(58px, 1fr));
    overflow-x: auto;
  }

  .quality-control span {
    min-height: 56px;
  }

  .activity-band {
    padding: 30px 0 46px;
  }

  .task-item {
    grid-template-columns: 86px minmax(0, 1fr) 42px;
  }

  .task-content {
    padding: 11px 10px;
  }

  .task-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .task-actions {
    flex-direction: column;
    justify-content: center;
    padding: 5px 4px;
  }

  .file-row {
    grid-template-columns: 34px minmax(0, 1fr) auto;
  }

  .file-action {
    min-width: 36px;
    width: 36px;
    padding: 0;
  }

  .file-action span {
    display: none;
  }

  .file-delete-action {
    width: 36px;
    height: 34px;
  }

  .confirm-dialog-body {
    padding: 22px;
  }

  .login-panel {
    width: min(100% - 36px, 380px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}