:root {
  --fs-ink: #10161d;
  --fs-muted: #5f6872;
  --fs-line: rgba(16, 22, 29, 0.08);
  --fs-card: rgba(255, 255, 255, 0.84);
  --fs-card-strong: rgba(255, 255, 255, 0.94);
  --fs-shadow: 0 24px 70px rgba(17, 24, 31, 0.12);
  --fs-accent: #f59a00;
  --fs-accent-strong: #be6c00;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body.fs-body {
  margin: 0;
  color: var(--fs-ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 12% 18%, rgba(245, 154, 0, 0.14), transparent 26%),
    radial-gradient(circle at 86% 10%, rgba(255, 255, 255, 0.8), transparent 28%),
    linear-gradient(180deg, #f8f4ee 0%, #e9eef2 48%, #dce3ea 100%);
}

img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
button, input { font: inherit; }

.fs-shell {
  width: min(1440px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.fs-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
}

.fs-hero-copy,
.fs-summary-card,
.fs-panel {
  border: 1px solid var(--fs-line);
  background: var(--fs-card);
  box-shadow: var(--fs-shadow);
  backdrop-filter: blur(12px) saturate(1.04);
  -webkit-backdrop-filter: blur(12px) saturate(1.04);
}

.fs-hero-copy {
  border-radius: 32px;
  padding: 24px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.fs-brand {
  width: min(200px, 42vw);
}

.fs-kicker,
.fs-panel-kicker,
.fs-summary-label {
  margin: 0;
  color: var(--fs-accent);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.fs-hero h1 {
  margin: 0;
  font: 500 clamp(2.4rem, 4vw, 4.8rem)/0.95 var(--font-heading);
  letter-spacing: -0.06em;
  max-width: 13ch;
}

.fs-intro {
  margin: 0;
  max-width: 60ch;
  color: var(--fs-muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.fs-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.fs-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  box-shadow: 0 12px 26px rgba(31, 38, 47, 0.08);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
  cursor: pointer;
}

.fs-button:hover,
.fs-button:focus-visible {
  transform: translateY(-1px);
}

.fs-button-primary {
  color: #fff;
  background: linear-gradient(135deg, #192027, #434c56);
}

.fs-button-secondary {
  color: var(--fs-ink);
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(16, 22, 29, 0.08);
}

.fs-summary-card {
  border-radius: 30px;
  padding: 20px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.fs-summary {
  min-height: 118px;
  border-radius: 24px;
  border: 1px solid rgba(16, 22, 29, 0.08);
  background: rgba(255, 255, 255, 0.9);
  padding: 14px;
}

.fs-summary-empty {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.fs-summary-swatch {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(245, 154, 0, 0.12), rgba(255, 255, 255, 0.62)),
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.85), transparent 28%);
  border: 1px solid rgba(16, 22, 29, 0.08);
}

.fs-summary strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.02rem;
}

.fs-summary p,
.fs-summary-note {
  margin: 0;
  color: var(--fs-muted);
  line-height: 1.5;
}

.fs-workflow {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 16px;
  align-items: start;
}

.fs-panel {
  border-radius: 28px;
  padding: 20px;
  display: grid;
  gap: 14px;
}

.fs-panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.fs-panel h2 {
  margin: 0;
  font: 500 clamp(1.2rem, 1.8vw, 1.8rem)/1.02 var(--font-heading);
  letter-spacing: -0.05em;
}

.fs-search {
  display: grid;
  gap: 8px;
  min-width: min(360px, 100%);
  color: var(--fs-muted);
  font-size: 0.94rem;
}

.fs-search input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 16px;
  border: 1px solid rgba(16, 22, 29, 0.1);
  background: rgba(255, 255, 255, 0.9);
  color: var(--fs-ink);
  outline: none;
}

.fs-search input:focus {
  border-color: rgba(245, 154, 0, 0.6);
  box-shadow: 0 0 0 3px rgba(245, 154, 0, 0.12);
}

.fs-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.fs-filter {
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(16, 22, 29, 0.08);
  background: rgba(255, 255, 255, 0.84);
  color: var(--fs-ink);
  box-shadow: 0 10px 20px rgba(31, 38, 47, 0.06);
  cursor: pointer;
}

.fs-filter.is-active {
  background: linear-gradient(135deg, #222a33, #4d5560);
  color: #fff;
}

.fs-finish-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.fs-finish-card {
  opacity: 0;
  transform: translateY(12px);
  animation: fs-rise 380ms ease forwards;
  animation-delay: calc(var(--stagger, 0) * 26ms);
}

.fs-finish-button {
  width: 100%;
  display: grid;
  gap: 0;
  padding: 0;
  border: 1px solid rgba(16, 22, 29, 0.08);
  border-radius: 22px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 30px rgba(31, 38, 47, 0.08);
  cursor: pointer;
  text-align: left;
}

.fs-finish-button.is-selected {
  border-color: rgba(245, 154, 0, 0.72);
  box-shadow: 0 18px 36px rgba(245, 154, 0, 0.18);
}

.fs-finish-media {
  aspect-ratio: 1 / 0.72;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(242, 246, 250, 0.92));
  padding: 10px;
}

.fs-finish-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
}

.fs-finish-copy {
  display: grid;
  gap: 6px;
  padding: 12px 13px 14px;
}

.fs-finish-family {
  margin: 0;
  color: var(--fs-accent);
  font-size: 0.73rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.fs-finish-title {
  margin: 0;
  font-weight: 700;
  line-height: 1.1;
  font-size: 1rem;
}

.fs-finish-meta {
  margin: 0;
  color: var(--fs-muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.fs-upload-panel {
  position: sticky;
  top: 18px;
}

.fs-upload-limit {
  margin: 0;
  color: var(--fs-muted);
  font-size: 0.9rem;
}

.fs-dropzone {
  position: relative;
  border: 1px dashed rgba(16, 22, 29, 0.18);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.92), rgba(246,249,252,0.94)),
    rgba(255,255,255,0.82);
  min-height: 220px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.fs-dropzone.is-dragover {
  border-color: rgba(245, 154, 0, 0.75);
  box-shadow: 0 0 0 4px rgba(245, 154, 0, 0.12);
}

.fs-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.fs-dropzone-copy {
  text-align: center;
  display: grid;
  gap: 6px;
  padding: 20px;
  pointer-events: none;
}

.fs-dropzone-title {
  margin: 0;
  font: 500 clamp(1.2rem, 2vw, 1.7rem)/1 var(--font-heading);
  letter-spacing: -0.05em;
}

.fs-dropzone-text,
.fs-dropzone-note {
  margin: 0;
  color: var(--fs-muted);
  line-height: 1.45;
}

.fs-upload-link {
  color: var(--fs-accent-strong);
  font-weight: 700;
  pointer-events: auto;
  cursor: pointer;
}

.fs-upload-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.fs-upload-count {
  margin: 0;
  color: var(--fs-muted);
}

.fs-upload-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.fs-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.fs-selected-files,
.fs-recent-grid {
  display: grid;
  gap: 10px;
}

.fs-file-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fs-file-card {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid rgba(16, 22, 29, 0.08);
  background: rgba(255, 255, 255, 0.9);
}

.fs-file-thumb {
  width: 80px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
  background: #edf2f6;
}

.fs-file-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

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

.fs-file-meta {
  margin: 0;
  color: var(--fs-muted);
  font-size: 0.88rem;
}

.fs-status {
  margin: 0;
  min-height: 1.5em;
  color: var(--fs-muted);
}

.fs-recent-panel {
  margin-top: 16px;
}

.fs-recent-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fs-submission-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 22px;
  border: 1px solid rgba(16, 22, 29, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 26px rgba(31, 38, 47, 0.06);
}

.fs-submission-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.fs-submission-date,
.fs-submission-count {
  margin: 0;
  color: var(--fs-muted);
  font-size: 0.88rem;
}

.fs-submission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.fs-submission-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
  background: #edf2f6;
}

.fs-empty,
.fs-loading {
  padding: 14px;
  border-radius: 18px;
  border: 1px dashed rgba(16, 22, 29, 0.14);
  color: var(--fs-muted);
  background: rgba(255, 255, 255, 0.74);
}

.fs-empty {
  text-align: center;
}

@keyframes fs-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1200px) {
  .fs-hero,
  .fs-workflow {
    grid-template-columns: 1fr;
  }

  .fs-upload-panel {
    order: -1;
  }

  .fs-picker-panel {
    order: 0;
  }

  .fs-upload-panel {
    position: static;
  }

  .fs-finish-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .fs-finish-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fs-recent-grid,
  .fs-file-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .fs-shell {
    width: min(100vw - 20px, 100%);
    padding: 12px 0 36px;
  }

  .fs-hero-copy,
  .fs-summary-card,
  .fs-panel {
    border-radius: 24px;
    padding: 18px;
  }

  .fs-finish-grid {
    grid-template-columns: 1fr;
  }

  .fs-file-card {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .fs-file-thumb {
    width: 72px;
  }

  .fs-submission-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}