:root {
  color-scheme: dark;
  --bg: #0a1020;
  --panel: rgba(18, 24, 48, 0.9);
  --panel-2: rgba(14, 20, 40, 0.92);
  --border: rgba(167, 179, 235, 0.18);
  --text: #edf2ff;
  --muted: #b6c0df;
  --soft: #8e99be;
  --pink: #ef9fd6;
  --cyan: #8ed8ff;
  --mint: #a7f3d0;
  --glow: 0 24px 80px rgba(2, 8, 24, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(239, 159, 214, 0.18), transparent 22%),
    radial-gradient(circle at top right, rgba(142, 216, 255, 0.14), transparent 24%),
    linear-gradient(160deg, #070b17 0%, #0b1020 52%, #101936 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: transparent;
}

a {
  color: inherit;
}

.shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(18, 24, 48, 0.9), rgba(12, 17, 34, 0.95));
  box-shadow: var(--glow);
}

.hero {
  padding: 18px 20px;
  display: grid;
  gap: 12px;
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--cyan));
  box-shadow: 0 0 16px rgba(239, 159, 214, 0.5);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
}

.lede {
  max-width: 620px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: clamp(0.88rem, 1.4vw, 0.98rem);
  line-height: 1.55;
}

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

.upload-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  font: inherit;
}

.upload-button {
  min-width: 132px;
}

.upload-button {
  position: relative;
  overflow: hidden;
}

.upload-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.ghost-button {
  background: rgba(142, 216, 255, 0.08);
}

.hint-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.68rem;
}

.content-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: start;
}

.drop-card,
.details-card {
  padding: 16px;
}

.drop-card {
  display: grid;
  gap: 18px;
}

.drop-zone {
  width: min(100%, 680px);
  margin-inline: auto;
  min-height: 360px;
  border-radius: 22px;
  border: 1px dashed rgba(174, 186, 239, 0.25);
  background:
    linear-gradient(135deg, rgba(239, 159, 214, 0.05), rgba(142, 216, 255, 0.05)),
    rgba(255, 255, 255, 0.02);
  padding: 30px 28px 26px;
  display: grid;
  gap: 12px;
  text-align: center;
  outline: none;
  cursor: text;
}

.drop-zone.is-active {
  border-color: rgba(142, 216, 255, 0.55);
  background:
    linear-gradient(135deg, rgba(239, 159, 214, 0.1), rgba(142, 216, 255, 0.1)),
    rgba(255, 255, 255, 0.03);
}

.drop-zone:focus {
  border-color: rgba(142, 216, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(142, 216, 255, 0.08);
}

.drop-icon {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  margin: 0 auto;
  color: var(--cyan);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  font-size: 2rem;
}

.drop-zone h2,
.section-title h2 {
  margin: 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.drop-zone p,
.section-title p,
.empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.drop-zone p {
  max-width: 52ch;
  margin-inline: auto;
}

.drop-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.drop-actions span {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--soft);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.preview-shell {
  display: grid;
  gap: 12px;
}

.preview-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.summary-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.9rem;
}

.section-title {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  align-items: end;
}

.section-title p {
  font-size: 0.86rem;
}

.preview-frame {
  position: relative;
  min-height: 260px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at top left, rgba(239, 159, 214, 0.07), transparent 30%),
    rgba(8, 12, 24, 0.88);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.preview-frame img {
  max-width: 100%;
  max-height: 100%;
  display: none;
  object-fit: contain;
}

.preview-frame.has-image img {
  display: block;
}

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

.empty-state {
  max-width: 340px;
  text-align: center;
  padding: 20px;
}

.empty-state strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.details-card {
  display: grid;
  gap: 12px;
}

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

.detail {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.detail dt {
  margin: 0 0 5px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
}

.detail dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.45;
  word-break: break-word;
}

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

.meta-pill {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
}

.meta-label {
  display: block;
  margin-bottom: 6px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
}

.meta-pill strong {
  font-size: 1rem;
  font-weight: 600;
  word-break: break-word;
}

.status-box {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(142, 216, 255, 0.18);
  background: rgba(142, 216, 255, 0.06);
  color: var(--text);
  line-height: 1.7;
}

.status-box.is-error {
  border-color: rgba(239, 159, 214, 0.3);
  background: rgba(239, 159, 214, 0.08);
}

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

.field,
.quality-row {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.quality-row label {
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
}

.field input,
.field select {
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 0 12px;
  background: rgba(7, 11, 23, 0.7);
  color: var(--text);
  font: inherit;
  outline: none;
}

.field input:focus,
.field select:focus {
  border-color: rgba(142, 216, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(142, 216, 255, 0.08);
}

.field input[type="color"] {
  padding: 4px;
}

.quality-row {
  display: grid;
  gap: 10px;
}

.quality-slider {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quality-slider input {
  flex: 1;
  accent-color: var(--cyan);
}

.quality-slider strong {
  min-width: 52px;
  text-align: right;
  color: var(--text);
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(142, 216, 255, 0.22);
  color: #08101f;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #bff0ff, #f7b9e6);
  box-shadow: 0 12px 30px rgba(142, 216, 255, 0.18);
}

.primary-button:disabled,
.ghost-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.optimized-shell {
  display: grid;
  gap: 12px;
}

.output-frame {
  min-height: 200px;
}

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

@media (max-width: 920px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1080px) {
  .drop-card {
    grid-template-columns: minmax(300px, 0.88fr) minmax(320px, 1.12fr);
    align-items: start;
    gap: 16px;
  }

  .preview-shell {
    margin-top: 0;
  }
}

@media (min-width: 1240px) {
  .details-card {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.95fr);
    gap: 14px 18px;
    align-items: start;
  }

  .details-card > :not(.optimized-shell) {
    grid-column: 1;
  }

  .details-card .optimized-shell {
    grid-column: 2;
    grid-row: 1 / span 8;
    position: sticky;
    top: 18px;
  }

  .details-card .output-frame {
    min-height: 320px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100%, calc(100% - 18px));
    padding: 12px 0 28px;
  }

  .hero,
  .drop-card,
  .details-card {
    padding: 18px;
  }

  .hero {
    gap: 10px;
  }

  .meta-strip {
    grid-template-columns: 1fr;
  }

  .details-list {
    grid-template-columns: 1fr;
  }

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

  .preview-frame {
    min-height: 220px;
  }

  .drop-zone {
    min-height: 300px;
  }
}