:root {
  --bg: #0f1116;
  --bg-soft: rgba(255, 255, 255, 0.04);
  --panel: rgba(16, 20, 28, 0.8);
  --panel-strong: rgba(17, 21, 30, 0.95);
  --line: rgba(255, 255, 255, 0.09);
  --text: #f4f6fb;
  --muted: #a8b0c2;
  --accent: #7cf7a7;
  --accent-strong: #57d680;
  --accent-warm: #ffbe7a;
  --danger: #ff7e7e;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 247, 167, 0.18), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(255, 190, 122, 0.18), transparent 24%),
    linear-gradient(180deg, #10141c 0%, #0b0e14 100%);
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle at center, black 50%, transparent 95%);
}

.shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(240px, 0.8fr);
  gap: 20px;
  padding: 30px;
  margin-bottom: 22px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01)),
    var(--panel-strong);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(124, 247, 167, 0.22);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(124, 247, 167, 0.08);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font: 700 0.75rem/1 "Sora", sans-serif;
}

.hero h1 {
  margin: 16px 0 10px;
  font-family: "Sora", sans-serif;
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.8;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.chips span {
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #dfe5ef;
  font-size: 0.92rem;
}

.hero-side {
  display: grid;
  gap: 14px;
  align-content: center;
}

.mini-stat {
  padding: 18px 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-stat strong {
  display: block;
  font-family: "Sora", sans-serif;
  font-size: 2rem;
  line-height: 1;
  color: var(--accent);
}

.mini-stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.78fr);
  gap: 20px;
}

.left-col,
.right-col {
  display: grid;
  gap: 20px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel-head h2 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 1.15rem;
}

.panel-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.drop-panel,
.list-panel,
.result-panel,
.settings-panel,
.progress-panel,
.log-panel {
  padding: 22px;
}

.dropzone {
  display: grid;
  place-items: center;
  gap: 14px;
  min-height: 240px;
  padding: 30px;
  border-radius: 22px;
  border: 1.5px dashed rgba(124, 247, 167, 0.45);
  background:
    linear-gradient(180deg, rgba(124, 247, 167, 0.08), rgba(124, 247, 167, 0.02)),
    rgba(255, 255, 255, 0.03);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.dropzone:hover,
.dropzone.is-dragging {
  transform: translateY(-2px);
  border-color: rgba(124, 247, 167, 0.8);
  background:
    linear-gradient(180deg, rgba(124, 247, 167, 0.12), rgba(124, 247, 167, 0.04)),
    rgba(255, 255, 255, 0.04);
}

.dropzone-icon {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 26px;
  color: #0b1110;
  background: linear-gradient(160deg, var(--accent), #cbffd8);
  font-family: "Sora", sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(124, 247, 167, 0.24);
}

.dropzone-copy {
  text-align: center;
}

.dropzone-copy strong {
  display: block;
  font-size: 1.02rem;
}

.dropzone-copy span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.file-list,
.results-list {
  display: grid;
  gap: 12px;
}

.item-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.item-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.item-title {
  display: grid;
  gap: 5px;
}

.item-title strong {
  font-size: 0.98rem;
  word-break: break-word;
}

.item-title span,
.meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge.ok {
  background: rgba(124, 247, 167, 0.15);
  color: #baf7cb;
}

.badge.warn {
  background: rgba(255, 190, 122, 0.14);
  color: #ffd59e;
}

.badge.bad {
  background: rgba(255, 126, 126, 0.14);
  color: #ffb1b1;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.kv {
  padding: 11px 12px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.18);
}

.kv span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.kv strong {
  display: block;
  margin-top: 4px;
  font-size: 0.94rem;
}

.reason {
  margin: 0;
  color: var(--accent-warm);
  font-size: 0.9rem;
  line-height: 1.6;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 15px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition:
    transform 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    opacity 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button.accent {
  background: linear-gradient(135deg, var(--accent), #c3ffcf);
  color: #0b1210;
}

.button.subtle {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.button.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.button-row,
.panel-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.field {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.field:last-child {
  margin-bottom: 0;
}

.field-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.field-row span {
  font-weight: 700;
}

.field-row strong {
  color: var(--accent);
  font-family: "Sora", sans-serif;
}

.field small {
  color: var(--muted);
  line-height: 1.5;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

progress {
  width: 100%;
  height: 14px;
  border: none;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
}

progress::-webkit-progress-bar {
  background: rgba(255, 255, 255, 0.06);
}

progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
}

progress::-moz-progress-bar {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.88rem;
  flex-wrap: wrap;
}

.log {
  min-height: 240px;
  max-height: 340px;
  margin: 0;
  padding: 16px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: #d8dee9;
  overflow: auto;
  white-space: pre-wrap;
  line-height: 1.65;
}

.empty {
  padding: 26px 18px;
  border-radius: 18px;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.08);
}

.fade-in {
  animation: rise 0.45s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero,
  .workspace {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .shell {
    width: min(100vw - 20px, 1280px);
    padding-top: 16px;
  }

  .hero,
  .drop-panel,
  .list-panel,
  .result-panel,
  .settings-panel,
  .progress-panel,
  .log-panel {
    padding: 18px;
  }

  .hero-side {
    grid-template-columns: 1fr;
  }

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

  .panel-head {
    flex-direction: column;
  }
}