:root {
  --bg: #e8eef6;
  --bg-deep: #d7e2f0;
  --surface: #f7fafc;
  --surface-raised: #ffffff;
  --ink: #13233f;
  --ink-soft: #4a5d78;
  --line: rgba(19, 35, 63, 0.12);
  --gov-blue: #0b3d91;
  --gov-blue-deep: #072c6b;
  --accent: #0e8fad;
  --accent-soft: rgba(14, 143, 173, 0.14);
  --ok: #1f7a4c;
  --ok-soft: rgba(31, 122, 76, 0.12);
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --shadow: 0 1px 2px rgba(11, 61, 145, 0.06), 0 8px 24px rgba(11, 61, 145, 0.08);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    "Source Han Sans SC", sans-serif;
  --mono: "SF Mono", "Menlo", "Consolas", "Microsoft YaHei Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    linear-gradient(180deg, #f3f7fb 0%, var(--bg) 42%, var(--bg-deep) 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}

.page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(11, 61, 145, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 61, 145, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
}

.topbar,
.main,
.footer {
  position: relative;
  z-index: 1;
}

.topbar {
  background: linear-gradient(90deg, var(--gov-blue-deep), var(--gov-blue) 55%, #0a4aa8);
  color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 2px 12px rgba(7, 44, 107, 0.35);
  overflow: hidden;
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.emblem {
  width: 42px;
  height: 42px;
  position: relative;
  flex-shrink: 0;
}

.emblem-ring,
.emblem-core {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.emblem-ring {
  border: 2px solid rgba(255, 255, 255, 0.75);
  box-shadow: inset 0 0 0 4px rgba(14, 143, 173, 0.35);
}

.emblem-core {
  inset: 11px;
  background: linear-gradient(145deg, #5fd0e8, var(--accent));
  clip-path: polygon(50% 8%, 88% 72%, 12% 72%);
}

.brand-name {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  text-wrap: balance;
}

.brand-sub {
  margin: 2px 0 0;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.08em;
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3ddeb0;
  box-shadow: 0 0 0 0 rgba(61, 222, 176, 0.55);
  animation: pulse-dot 2.2s ease-out infinite;
}

.meta-sep {
  opacity: 0.35;
}

.scanline {
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(95, 208, 232, 0.95), transparent);
  transform: translateX(-100%);
  animation: scan-x 4.5s linear infinite;
}

.main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.intro {
  margin-bottom: 22px;
  max-width: 42rem;
}

.intro h1 {
  margin: 0 0 8px;
  font-size: clamp(1.45rem, 2.2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.012em;
  color: var(--gov-blue-deep);
  text-wrap: balance;
}

.intro p {
  margin: 0;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.workspace {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
}

.panel {
  background: var(--surface-raised);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  outline: 1px solid rgba(11, 61, 145, 0.08);
  outline-offset: -1px;
  padding: 18px 18px 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gov-blue);
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: var(--radius-xs);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--gov-blue);
  background: rgba(11, 61, 145, 0.08);
}

.chip-muted {
  color: var(--ink-soft);
  background: rgba(74, 93, 120, 0.1);
}

.chip-ok {
  color: var(--ok);
  background: var(--ok-soft);
}

.dropzone {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 132px;
  padding: 18px;
  border: 1.5px dashed rgba(11, 61, 145, 0.28);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(180deg, rgba(14, 143, 173, 0.05), transparent 60%),
    var(--surface);
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, transform 120ms ease;
  touch-action: manipulation;
}

.dropzone:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (hover: hover) {
  .dropzone:hover {
    border-color: rgba(14, 143, 173, 0.7);
    background-color: #f1f8fb;
  }
}

.dropzone.is-dragover {
  border-color: var(--accent);
  background-color: var(--accent-soft);
  transform: scale(1.01);
}

.dropzone-visual {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
}

.radar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid rgba(11, 61, 145, 0.25);
  background:
    radial-gradient(circle at center, rgba(14, 143, 173, 0.35) 0 4px, transparent 5px),
    conic-gradient(from 210deg, rgba(14, 143, 173, 0.55), transparent 40%);
  position: relative;
  animation: radar-spin 3.2s linear infinite;
}

.radar::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1px dashed rgba(11, 61, 145, 0.28);
}

.dropzone-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.dropzone-copy strong {
  font-size: 0.98rem;
  color: var(--ink);
}

.dropzone-copy span {
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.file-row {
  margin-top: 14px;
  padding: 12px 12px 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #f0f5fb;
  border-radius: var(--radius-sm);
}

.file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.file-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  background:
    linear-gradient(180deg, #1a5bb8, var(--gov-blue-deep));
  box-shadow: inset 0 -10px 0 rgba(255, 255, 255, 0.12);
  position: relative;
  flex-shrink: 0;
}

.file-icon::after {
  content: "VID";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.file-name,
.file-meta {
  margin: 0;
}

.file-name {
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 360px;
}

.file-meta {
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: var(--radius-sm);
  min-height: 42px;
  padding: 0 16px;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 120ms ease, background-color 160ms ease, color 160ms ease,
    box-shadow 160ms ease, opacity 160ms ease;
  touch-action: manipulation;
}

.btn:active:not(:disabled) {
  transform: scale(0.96);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(180deg, #1457b8, var(--gov-blue));
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 6px 14px rgba(11, 61, 145, 0.22);
}

@media (hover: hover) {
  .btn-primary:hover:not(:disabled) {
    background: linear-gradient(180deg, #1762cb, #0c459f);
  }
}

.btn-ghost {
  background: transparent;
  color: var(--gov-blue);
  box-shadow: inset 0 0 0 1px rgba(11, 61, 145, 0.28);
}

@media (hover: hover) {
  .btn-ghost:hover {
    background: rgba(11, 61, 145, 0.05);
  }
}

.progress-block {
  margin-bottom: 18px;
}

.progress-track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: #dce6f2;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gov-blue), var(--accent));
  transition: width 220ms ease;
}

.progress-scan {
  position: absolute;
  inset: 0 auto 0 0;
  width: 28%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.65), transparent);
  opacity: 0;
  transform: translateX(-40%);
}

.process-panel.is-running .progress-scan {
  opacity: 1;
  animation: scan-bar 1.1s linear infinite;
}

.progress-meta {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.progress-pct {
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  color: var(--gov-blue);
  font-weight: 600;
}

.stages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.stages li {
  position: relative;
  padding: 10px 12px 10px 34px;
  border-radius: var(--radius-sm);
  background: #f3f7fb;
  color: var(--ink-soft);
  font-size: 0.9rem;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.stages li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: #b7c5d8;
  box-shadow: 0 0 0 3px rgba(183, 197, 216, 0.25);
}

.stages li.is-active {
  background: var(--accent-soft);
  color: var(--ink);
  transform: translateX(2px);
}

.stages li.is-active::before {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 143, 173, 0.22);
}

.stages li.is-done {
  color: var(--ok);
  background: var(--ok-soft);
}

.stages li.is-done::before {
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(31, 122, 76, 0.18);
}

.result {
  margin-top: 16px;
}

.result[hidden] {
  display: none;
}

.result.is-shown .result-panel {
  animation: rise-in 420ms cubic-bezier(0.2, 0, 0, 1) both;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.stat {
  padding: 12px 14px;
  background: linear-gradient(180deg, #f4f8fc, #eef4fa);
  border-radius: var(--radius-sm);
  outline: 1px solid rgba(11, 61, 145, 0.08);
  outline-offset: -1px;
}

.stat-label {
  display: block;
  font-size: 0.76rem;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.stat-value {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gov-blue-deep);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.table-wrap {
  overflow: auto;
  border-radius: var(--radius-sm);
  outline: 1px solid rgba(11, 61, 145, 0.12);
  outline-offset: -1px;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  font-size: 0.86rem;
}

th,
td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(19, 35, 63, 0.08);
  white-space: nowrap;
}

th {
  background: #0b3d91;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
  position: sticky;
  top: 0;
}

td {
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

tbody tr:nth-child(even) {
  background: #f5f8fc;
}

.result-actions {
  margin-top: 16px;
}

.footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 28px;
}

.footer p {
  margin: 0;
  font-size: 0.78rem;
  color: rgba(74, 93, 120, 0.9);
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 rgba(61, 222, 176, 0.5);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(61, 222, 176, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(61, 222, 176, 0);
  }
}

@keyframes scan-x {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

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

@keyframes scan-bar {
  0% {
    transform: translateX(-40%);
  }
  100% {
    transform: translateX(340%);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

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

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .file-name {
    max-width: 52vw;
  }
}

@media (max-width: 520px) {
  .dropzone {
    grid-template-columns: 1fr;
    justify-items: start;
  }

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

  .brand-name {
    font-size: 1.08rem;
  }
}

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