:root {
  --bg0: #05081a;
  --bg1: #0a1331;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.17);
  --text: #eef2ff;
  --muted: #acb5d6;
  --accent: #4fd9ff;
  --violet: #8c5fff;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Manrope", "Inter", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 430px at 84% 18%, rgba(236, 72, 153, 0.16), transparent 55%),
    radial-gradient(850px 460px at 6% 62%, rgba(59, 130, 246, 0.22), transparent 56%),
    linear-gradient(160deg, var(--bg0), var(--bg1));
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  width: min(1180px, 94vw);
  margin: 0 auto;
  padding: 1.2rem 0 1rem;
  display: grid;
  gap: 1rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar h1 {
  margin: 0.18rem 0 0;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.topbar h1 span {
  color: var(--accent);
}

.topbar-right {
  display: grid;
  justify-items: end;
  gap: 0.55rem;
}

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

.status-chip {
  min-width: min(420px, 88vw);
  border: 1px solid rgba(140, 95, 255, 0.56);
  background: rgba(140, 95, 255, 0.25);
  border-radius: 12px;
  padding: 0.68rem 0.9rem;
}

.status-chip strong {
  display: block;
  font-size: 0.95rem;
}

.status-chip small {
  color: #d8ddff;
  font-size: 0.8rem;
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border-radius: 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hero-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.35fr 0.65fr;
}

.upload-card {
  padding: 0.95rem;
}

.drop-zone {
  min-height: 370px;
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 14px;
  display: grid;
  place-content: center;
  gap: 0.35rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.18s ease;
}

.drop-zone:hover {
  border-color: rgba(79, 217, 255, 0.55);
  background: rgba(79, 217, 255, 0.07);
}

.drop-zone.drag {
  border-color: var(--accent);
  background: rgba(79, 217, 255, 0.16);
  transform: translateY(-2px);
}

.upload-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 0.2rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  color: #c6a2ff;
  background: rgba(255, 255, 255, 0.1);
}
section.control-block label {
    font-size: 0;
}
.drop-zone h2 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 2.8rem);
  letter-spacing: -0.02em;
}

.drop-zone p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

#file-input {
  display: none;
}

.hint {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.control-card {
  padding: 0.9rem;
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.metric-grid {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(3, 1fr);
}

.metric-grid article {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.58rem;
  background: rgba(255, 255, 255, 0.04);
}

.metric-grid label {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}

.metric-grid strong {
  font-size: 0.98rem;
}
label select#target-unit {
    font-size: 14px;
}
.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.control-block,
.progress-block {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.68rem;
  background: rgba(255, 255, 255, 0.03);
}

.line {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
}

.line.small {
  font-size: 0.78rem;
  color: var(--muted);
}

h3 {
  margin: 0;
  font-size: 0.9rem;
}

input,
select,
button {
  font: inherit;
}

input[type="range"] {
  width: 100%;
  margin: 0.34rem 0 0.55rem;
}

.input-row {
  display: grid;
  gap: 0.4rem;
  grid-template-columns: 1fr auto;
}

input[type="number"],
select {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(4, 9, 24, 0.72);
  color: var(--text);
  padding: 0.42rem;
}

input[type="number"]::placeholder {
  color: #919fc7;
}

.button-row {
  display: grid;
  gap: 0.35rem;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 0.5rem;
}

button {
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.09);
  padding: 0.42rem 0.62rem;
  transition: filter 0.16s ease, transform 0.16s ease;
}

button:hover {
  filter: brightness(1.06);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.preset.active,
.fmt.active {
  border-color: var(--accent);
  background: rgba(79, 217, 255, 0.18);
}

.primary {
  border: 0;
  font-weight: 700;
  background: linear-gradient(135deg, var(--violet), #5a7cff);
}

.progress-track {
  margin: 0.4rem 0;
  height: 9px;
  border-radius: 99px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
}

#bar-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--violet), var(--accent));
  transition: width 0.2s ease;
}

.counter-row {
  margin-top: 0.45rem;
  display: grid;
  gap: 0.35rem;
  grid-template-columns: repeat(3, 1fr);
}

.counter-row span {
  border-radius: 8px;
  font-size: 0.75rem;
  padding: 0.34rem;
  background: rgba(255, 255, 255, 0.08);
}

.files-card {
  padding: 0.85rem;
  min-height: 360px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.55rem;
}

.files-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.7rem;
}

.files-head h2 {
  margin: 0;
  font-size: 1.32rem;
}

.files-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.84rem;
  color: var(--muted);
}

.results-list {
  min-height: 0;
  overflow: auto;
  display: grid;
  gap: 0.48rem;
}

.result-item,
.queue-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.62rem;
  background: rgba(255, 255, 255, 0.045);
}

.result-item-head,
.queue-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.thumb {
  width: 46px;
  height: 46px;
  border-radius: 9px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.result-meta {
  flex: 1;
  min-width: 0;
}

.result-meta p {
  margin: 0;
}

.result-meta p:first-child {
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-meta p:last-child {
  font-size: 0.79rem;
  color: var(--muted);
}

.result-item-stats {
  margin-top: 0.42rem;
  display: grid;
  gap: 0.32rem;
  grid-template-columns: repeat(4, 1fr);
}

.result-item-stats span {
  text-align: center;
  border-radius: 8px;
  font-size: 0.72rem;
  padding: 0.3rem;
  background: rgba(255, 255, 255, 0.07);
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 11px;
  text-align: center;
  padding: 0.75rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.files-foot {
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  align-items: flex-start;
  flex-wrap: wrap;
  font-size: 0.84rem;
}

#finished-line {
  font-weight: 700;
}

.queue {
  text-align: right;
  max-width: 100%;
}

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

button:focus-visible,
input:focus-visible,
select:focus-visible,
.drop-zone:focus-visible {
  outline: 2px solid rgba(79, 217, 255, 0.9);
  outline-offset: 2px;
}

@media (max-width: 1020px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .drop-zone {
    min-height: 250px;
  }
}

@media (max-width: 760px) {
  .topbar,
  .files-head,
  .files-foot,
  .result-item-head,
  .queue-item,
  .line {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-right {
    justify-items: start;
  }

  .status-chip {
    min-width: 100%;
  }

  .metric-grid,
  .button-row,
  .counter-row,
  .result-item-stats {
    grid-template-columns: 1fr;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .queue {
    text-align: left;
    width: 100%;
  }
}