:root {
  --bg: #ffffff;
  --bg-tint: #f6f9f8;
  --card: #ffffff;
  --line: #dbe6e2;
  --line-strong: #b9cbc5;
  --text: #142120;
  --muted: #5a6d67;
  --accent: #11705f;
  --accent-soft: #d9efe9;
  --danger: #a83f3f;
  --shadow: 0 24px 44px -30px rgba(16, 42, 37, 0.22);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(18, 128, 109, 0.11) 0%, rgba(18, 128, 109, 0) 35%),
    radial-gradient(circle at 90% 14%, rgba(11, 103, 161, 0.09) 0%, rgba(11, 103, 161, 0) 32%),
    linear-gradient(180deg, var(--bg-tint) 0%, var(--bg) 28%);
}

.app-shell {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.4rem 0 2.8rem;
}

.hero,
.panel,
.footer-note {
  animation: rise-in 0.55s ease-out both;
}

.hero {
  margin-bottom: 1.25rem;
}

.eyebrow {
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.76rem;
  color: var(--muted);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  letter-spacing: -0.03em;
}

.subtitle {
  margin: 0.7rem 0 0;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.5;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.controls-panel {
  margin-bottom: 1rem;
}

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

.upload-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: #fcfefd;
}

.upload-card h2 {
  margin: 0;
  font-size: 1.05rem;
}

.card-hint {
  margin: 0.3rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.dropzone {
  position: relative;
  min-height: 120px;
  border: 1.6px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff, #f7fbfa);
  display: grid;
  place-items: center;
  text-align: center;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.dropzone:hover,
.dropzone:focus-visible,
.dropzone.drag-over {
  border-color: var(--accent);
  transform: translateY(-1px);
  background: linear-gradient(180deg, #ffffff, #eef7f5);
  outline: none;
}

.dropzone-copy {
  pointer-events: none;
  padding: 0.7rem;
}

.dropzone-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.dropzone-subtitle {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.source-preview {
  min-height: 46px;
  margin-top: 0.7rem;
  display: flex;
  align-items: center;
}

.source-preview img {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background:
    linear-gradient(45deg, #ffffff 25%, #f3f7f6 25%, #f3f7f6 50%, #ffffff 50%, #ffffff 75%, #f3f7f6 75%),
    #ffffff;
  background-size: 10px 10px;
  object-fit: contain;
}

.file-meta {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.option-row {
  display: flex;
  align-items: end;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.custom-panel {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fbfefd;
  padding: 0.9rem;
}

.custom-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.custom-head h3 {
  margin: 0;
  font-size: 1rem;
}

.custom-head .card-hint {
  margin: 0.25rem 0 0;
}

.custom-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.custom-tools {
  margin-top: 0.8rem;
  display: flex;
  align-items: end;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.custom-preset-field {
  min-width: 230px;
}

.custom-preset-field select {
  min-width: 0;
}

.custom-rows {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.6rem;
}

.custom-row,
.custom-empty {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.custom-empty {
  margin: 0;
  padding: 0.72rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.custom-row {
  padding: 0.65rem;
  display: grid;
  grid-template-columns: 1.05fr 1fr 1fr auto;
  gap: 0.55rem;
  align-items: end;
}

.custom-field {
  display: grid;
  gap: 0.28rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}

.custom-field select,
.custom-field input {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.58rem 0.62rem;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 0.89rem;
  background: #fff;
}

.custom-remove {
  height: 38px;
  min-width: 90px;
}

.custom-error {
  margin: 0.7rem 0 0;
  color: var(--danger);
  font-size: 0.85rem;
  line-height: 1.45;
}

.option-field {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.93rem;
}

.option-field select {
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.62rem 0.7rem;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 0.92rem;
  min-width: 250px;
  background: #fff;
}

.check-field {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  min-height: 42px;
  margin-bottom: 0.2rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.check-field input {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
}

.button-row {
  margin-top: 1rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.68rem 0.95rem;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  filter: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-secondary {
  background: #f2faf8;
  border-color: #b8d9d2;
  color: #12483f;
}

.progress-panel {
  margin-top: 0.95rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfefd;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.87rem;
  color: var(--muted);
}

.progress-track {
  margin-top: 0.5rem;
  height: 10px;
  border-radius: 999px;
  background: #e9f2ef;
  overflow: hidden;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #20a58d, #11705f);
  transition: width 0.18s ease;
}

.status-line {
  margin: 0.78rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-line.error {
  color: var(--danger);
}

.results-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.results-header h2 {
  margin: 0;
}

.results-header p {
  margin: 0;
  color: var(--muted);
}

.skipped-panel {
  margin-top: 1rem;
  border: 1px solid #f0d6d6;
  background: #fff8f8;
  border-radius: var(--radius-md);
  padding: 0.8rem 0.9rem;
}

.skipped-panel h3 {
  margin: 0;
  font-size: 0.95rem;
  color: #8a3838;
}

.skipped-panel ul {
  margin: 0.5rem 0 0;
  padding-left: 1rem;
  color: #7f4646;
  font-size: 0.87rem;
  line-height: 1.45;
}

.preview-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.8rem;
}

.asset-card,
.empty-state {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}

.asset-card {
  padding: 0.75rem;
  display: grid;
  gap: 0.62rem;
  animation: rise-in 0.4s ease-out both;
  animation-delay: var(--delay, 0ms);
}

.thumb-frame {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(45deg, #ffffff 25%, #f3f7f6 25%, #f3f7f6 50%, #ffffff 50%, #ffffff 75%, #f3f7f6 75%),
    #ffffff;
  background-size: 12px 12px;
}

.thumb-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.asset-name {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.35;
  word-break: break-word;
}

.asset-meta {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}

.asset-download {
  width: 100%;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 1rem;
  color: var(--muted);
  text-align: center;
}

.footer-note {
  margin-top: 1rem;
  padding: 0.7rem;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.87rem;
}

.hidden {
  display: none !important;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 880px) {
  .upload-grid {
    grid-template-columns: 1fr;
  }

  .option-field {
    width: 100%;
  }

  .option-field select {
    width: 100%;
    min-width: 0;
  }

  .button-row .btn {
    width: 100%;
  }

  .custom-tools .btn {
    width: 100%;
  }

  .custom-preset-field {
    width: 100%;
  }

  .custom-preset-field select {
    width: 100%;
  }

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

  .custom-remove {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 520px) {
  .app-shell {
    width: calc(100% - 1rem);
    padding-top: 1.1rem;
  }

  .panel {
    padding: 0.9rem;
    border-radius: 14px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }
}