:root {
  color-scheme: light;
  --bg: #edf2f6;
  --panel: rgba(255, 255, 255, 0.94);
  --panel-strong: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.22);
  --blue: #0a84ff;
  --blue-dark: #075fd1;
  --cyan: #16a3b8;
  --green: #198754;
  --orange: #c76f13;
  --shadow: 0 28px 70px rgba(15, 23, 42, 0.08);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.95), transparent 38%),
    radial-gradient(circle at 100% 0%, rgba(173, 217, 255, 0.42), transparent 28%),
    radial-gradient(circle at 0% 100%, rgba(255, 224, 186, 0.18), transparent 22%),
    linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

svg {
  display: block;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 26px;
}

.topbar > div:first-child {
  text-align: center;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: 36px;
  line-height: 1.16;
}

h2 {
  margin-bottom: 0;
  font-size: 20px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 0;
  font-size: 16px;
}

.counter {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(340px, 430px) minmax(0, 1fr);
  gap: 20px;
}

.control-pane,
.preview-pane {
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 32px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.control-pane {
  padding: 22px;
}

.preview-pane {
  min-width: 0;
  padding: 22px;
}

.tool-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 104px;
  padding: 16px 10px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  text-align: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.tool-card:hover {
  border-color: rgba(10, 132, 255, 0.38);
  background: #fff;
}

.tool-card.is-active {
  border-color: transparent;
  background: linear-gradient(180deg, var(--blue) 0%, #0a65e8 100%);
  color: #fff;
  box-shadow: 0 18px 30px rgba(10, 132, 255, 0.24);
}

.tool-card:hover {
  transform: translateY(-1px);
}

.tool-card strong,
.tool-card small {
  display: block;
}

.tool-card strong {
  font-size: 18px;
  line-height: 1.2;
}

.tool-card small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.tool-card.is-active small {
  color: rgba(255, 255, 255, 0.82);
}

.tool-icon {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 16px;
  background: rgba(10, 132, 255, 0.1);
  color: var(--blue);
}

.tool-card.is-active .tool-icon {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.tool-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  stroke: none;
}

.drop-zone {
  display: grid;
  min-height: 118px;
  place-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 20px;
  border: 1.5px dashed rgba(10, 132, 255, 0.28);
  border-radius: 24px;
  background: transparent;
  cursor: pointer;
  text-align: center;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.drop-zone:hover,
.drop-zone:focus-within,
.drop-zone.is-dragging {
  border-color: rgba(10, 132, 255, 0.56);
  background: rgba(10, 132, 255, 0.07);
  box-shadow: 0 18px 30px rgba(10, 132, 255, 0.10);
  transform: translateY(-1px);
}

.drop-zone:active {
  transform: translateY(0);
}

.drop-zone input {
  display: none;
}

.drop-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 24px;
  background: rgba(10, 132, 255, 0.1);
  color: var(--blue);
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.drop-icon svg {
  width: 20px;
  height: 20px;
  fill: #005AEC;
  stroke: none;
}

.drop-zone:hover .drop-icon,
.drop-zone:focus-within .drop-icon,
.drop-zone.is-dragging .drop-icon {
  background: rgba(10, 132, 255, 0.14);
  transform: translateY(-1px);
}

.drop-zone small,
.hint {
  color: var(--muted);
  font-size: 13px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
}

.field span {
  color: #344258;
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  outline: none;
  padding: 0 14px;
}

.field input:focus,
.field select:focus {
  border-color: rgba(10, 132, 255, 0.46);
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.12);
}

.field input::placeholder {
  color: #94a3b8;
}

.option-block {
  margin-top: 4px;
}

.option-block.is-hidden {
  display: none;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 12px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(226, 233, 242, 0.72);
}

.segmented button {
  min-height: 36px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
}

.segmented button.is-active {
  background: #fff;
  color: var(--blue);
  box-shadow: 0 7px 18px rgba(40, 60, 88, 0.12);
}

.hint {
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid rgba(22, 163, 184, 0.22);
  border-radius: 18px;
  background: rgba(22, 163, 184, 0.08);
}

.action-row {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.primary-button,
.ghost-button,
.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 18px;
  padding: 0 14px;
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
}

.primary-button {
  flex: 1;
  gap: 8px;
  background: linear-gradient(180deg, var(--blue) 0%, #0a65e8 100%);
  color: #fff;
  box-shadow: 0 18px 30px rgba(10, 132, 255, 0.24);
}

.primary-button:hover {
  background: var(--blue-dark);
}

.primary-button:disabled {
  cursor: not-allowed;
  background: #95a4b7;
  box-shadow: none;
}

.ghost-button {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(148, 163, 184, 0.2);
  color: var(--ink);
}

.preview-header,
.queue-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.image-stage {
  position: relative;
  display: grid;
  min-height: 360px;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(45deg, rgba(148, 163, 184, 0.18) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(148, 163, 184, 0.18) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(148, 163, 184, 0.18) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(148, 163, 184, 0.18) 75%),
    #fbfdff;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-size: 20px 20px;
}

.image-stage img {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.image-stage.has-image img {
  display: block;
}

.image-stage.has-image .empty-state {
  display: none;
}

.result-stage {
  background-color: #f8fbfd;
}

.stage-label {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  min-height: 28px;
  padding: 5px 9px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.empty-state {
  color: var(--muted);
  font-size: 14px;
}

.queue-panel {
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.queue-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 14px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(226, 233, 242, 0.72);
}

.queue-tab {
  min-height: 38px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.queue-tab.is-active {
  background: #fff;
  color: var(--blue);
  box-shadow: 0 7px 18px rgba(40, 60, 88, 0.12);
}

.queue-tab-panel {
  display: none;
}

.queue-tab-panel.is-active {
  display: block;
}

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

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

.queue-actions .ghost-button {
  min-height: 36px;
  padding: 0 13px;
  white-space: nowrap;
}

.queue-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  max-height: 280px;
  overflow: auto;
  padding-right: 3px;
}

.queue-list:empty::before {
  content: "还没有任务";
  display: grid;
  min-height: 74px;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: 20px;
  color: var(--muted);
}

.history-list:empty::before {
  content: "近 24 小时还没有处理结果";
}

.queue-item {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 72px;
  padding: 8px 92px 8px 8px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  content-visibility: auto;
  contain-intrinsic-size: 72px;
}

.history-item {
  padding-right: 82px;
}

.queue-item-actions {
  position: absolute;
  top: 9px;
  right: 9px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.queue-remove-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #64748b;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.queue-remove-button:hover {
  border-color: rgba(199, 111, 19, 0.28);
  background: #fff;
  color: var(--orange);
  transform: scale(1.04);
}

.queue-remove-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
  transform: none;
}

.queue-item.is-active {
  border-color: rgba(10, 132, 255, 0.46);
  background: #fff;
}

.thumb-button {
  display: block;
  overflow: hidden;
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 16px;
  background: #dfe7f0;
  padding: 0;
}

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

.queue-meta {
  min-width: 0;
}

.queue-meta strong,
.queue-meta small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-meta small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.history-time {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.progress-track {
  overflow: hidden;
  height: 5px;
  margin-top: 9px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.24);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--blue);
  transition: width 0.25s ease;
}

.queue-item.is-done .progress-track span {
  width: 100%;
  background: var(--green);
}

.queue-item.is-error .progress-track span {
  width: 100%;
  background: var(--orange);
}

.download-link {
  display: none;
  min-height: 34px;
  padding: 0 14px;
  background: rgba(25, 135, 84, 0.1);
  color: var(--green);
}

.download-link.is-visible {
  display: inline-flex;
}

.toast-message {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 20;
  max-width: min(420px, calc(100vw - 32px));
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(10, 132, 255, 0.26);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 40px rgba(39, 59, 86, 0.18);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

@media (max-width: 1040px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .tool-card {
    min-height: 98px;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 16px;
  }

  .topbar {
    text-align: center;
    display: none;
  }

  h1 {
    font-size: 30px;
  }

  .control-pane,
  .preview-pane {
    border-radius: 24px;
    padding: 16px;
  }

  .field-grid,
  .preview-grid {
    grid-template-columns: 1fr;
  }

  .tool-card {
    min-height: 82px;
    padding: 12px 6px;
    gap: 6px;
  }

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

  .tool-card small {
    font-size: 11px;
  }

  .tool-icon {
    width: 32px;
    height: 32px;
    border-radius: 14px;
  }

  .image-stage {
    min-height: 260px;
  }

  .action-row {
    flex-direction: column;
  }

  .queue-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .queue-actions {
    width: 100%;
    justify-content: space-between;
  }

  .queue-item {
    grid-template-columns: 52px minmax(0, 1fr);
    padding-right: 90px;
  }

  .history-item {
    padding-right: 82px;
  }
}