:root {
  color-scheme: light;
  --bg: #fff7fb;
  --ink: #17171f;
  --muted: #6d6a77;
  --line: rgba(23, 23, 31, 0.12);
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #fff0a8;
  --accent: #18c48f;
  --accent-ink: #ffffff;
  --pink: #ff4fa3;
  --coral: #ff735c;
  --yellow: #ffe86a;
  --cyan: #34c8ff;
  --violet: #8d6bff;
  --warn: #be4b18;
  --shadow: 0 18px 48px rgba(53, 43, 71, 0.13);
  --clay-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), inset 0 -3px 0 rgba(0, 0, 0, 0.08), 0 9px 18px rgba(53, 43, 71, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 79, 163, 0.18), rgba(255, 232, 106, 0.16) 34%, rgba(52, 200, 255, 0.14) 68%, rgba(24, 196, 143, 0.12)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.54) 240px, rgba(255, 255, 255, 0) 520px),
    var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  color: var(--accent-ink);
  background: linear-gradient(180deg, #27dfa9, #10af7c);
  box-shadow: var(--clay-shadow);
  font-weight: 800;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}

button.secondary {
  color: var(--ink);
  background: linear-gradient(180deg, #fff6c7, #ffe978);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), inset 0 -3px 0 rgba(222, 162, 0, 0.12), 0 8px 16px rgba(132, 92, 14, 0.12);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

button:not(:disabled):active {
  transform: translateY(2px);
  filter: saturate(1.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), inset 0 2px 5px rgba(0, 0, 0, 0.12), 0 4px 9px rgba(53, 43, 71, 0.14);
}

.shell {
  width: min(100%, 560px);
  margin: 0 auto;
  padding: max(22px, env(safe-area-inset-top)) 14px max(28px, env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
  padding: 10px 0 8px;
}

h1 {
  margin: 0;
  font-size: 42px;
  line-height: 0.92;
  letter-spacing: 0;
  color: transparent;
  background: linear-gradient(100deg, var(--pink), var(--coral) 28%, var(--cyan) 64%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
}

.status-pill {
  min-width: 70px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 8px 20px rgba(141, 107, 255, 0.12);
  color: #5b5367;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  backdrop-filter: blur(18px);
}

.panel,
.progress-panel,
.download-bar {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.panel {
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.76)),
    linear-gradient(135deg, rgba(255, 79, 163, 0.16), rgba(255, 232, 106, 0.12), rgba(52, 200, 255, 0.12));
}

.field + .field {
  margin-top: 14px;
}

.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 800;
  color: #25212e;
}

.native-file {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.file-picker {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 50px;
  border: 1px dashed rgba(23, 23, 31, 0.22);
  border-radius: 8px;
  padding: 7px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), inset 0 -2px 6px rgba(141, 107, 255, 0.06);
}

.file-trigger {
  min-height: 36px;
  padding: 0 12px;
  color: var(--ink);
  white-space: nowrap;
}

.file-state {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

input[type="file"]:not(.native-file) {
  width: 100%;
  min-height: 48px;
  border: 1px dashed rgba(23, 23, 31, 0.22);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), inset 0 -2px 6px rgba(141, 107, 255, 0.06);
  color: var(--ink);
}

.meta,
.message {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 16px;
}

.format-select {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), inset 0 -2px 6px rgba(255, 79, 163, 0.05);
  font-size: 14px;
  font-weight: 800;
}

.format-select select {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-weight: 700;
}

.progress-panel {
  padding: 12px 14px;
  box-shadow: 0 10px 28px rgba(53, 43, 71, 0.08);
}

.meter {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: rgba(23, 23, 31, 0.08);
  box-shadow: inset 0 1px 3px rgba(23, 23, 31, 0.08);
}

.meter span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--pink), var(--yellow), var(--cyan), var(--accent));
  transition: width 160ms ease;
}

.message.warn {
  color: var(--warn);
}

.download-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
  position: sticky;
  top: max(8px, env(safe-area-inset-top));
  z-index: 5;
  background: rgba(255, 255, 255, 0.82);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 16px 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.48);
  box-shadow: inset 0 1px 4px rgba(23, 23, 31, 0.08);
  backdrop-filter: blur(18px);
}

.tabs button {
  min-height: 38px;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  box-shadow: none;
  font-size: 14px;
  font-weight: 800;
}

.tabs button[aria-selected="true"] {
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff, #fff7fb);
  box-shadow: 0 6px 14px rgba(53, 43, 71, 0.11);
}

.preview-grid,
.slot-list {
  display: none;
}

.preview-grid.active,
.slot-list.active {
  display: grid;
}

.preview-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

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

.tile-card,
.slot-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  overflow: hidden;
  box-shadow: 0 12px 26px rgba(53, 43, 71, 0.11);
}

.tile-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(255, 79, 163, 0.18), rgba(52, 200, 255, 0.14));
}

.preview-grid.tall .tile-card img {
  aspect-ratio: 1 / 3;
}

.preview-grid.tall .tile-card figcaption {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  min-height: 42px;
  padding: 5px 6px;
  text-align: center;
}

.preview-grid.tall .tile-card figcaption span:first-child,
.preview-grid.tall .tile-card figcaption span:last-child {
  overflow: visible;
  text-overflow: clip;
  white-space: nowrap;
}

.preview-grid.tall .tile-card figcaption span:last-child {
  font-size: 10px;
  color: #756d80;
}

.tile-card figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 34px;
  padding: 0 8px;
  color: #60596b;
  font-size: 12px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.82);
}

.tile-card figcaption span:first-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tile-card figcaption span:last-child {
  flex: 0 0 auto;
  white-space: nowrap;
}

.slot-list {
  grid-template-columns: 1fr;
  gap: 10px;
}

.slot-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 66px;
  padding: 6px;
}

.slot-item img {
  width: 54px;
  height: 54px;
  border-radius: 6px;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(255, 232, 106, 0.26), rgba(24, 196, 143, 0.2));
}

.slot-item strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14px;
}

.slot-item span {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (min-width: 520px) {
  .toolbar {
    grid-template-columns: 1fr auto auto;
  }
}