:root {
  --bg: #0b0d12;
  --card: #111522;
  --text: #e8eaf0;
  --muted: #a5adbe;
  --border: rgba(255, 255, 255, 0.12);
  --accent: #7c9cff;
  --shadow: rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7fb;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --border: rgba(2, 6, 23, 0.12);
    --accent: #2f5bff;
    --shadow: rgba(2, 6, 23, 0.08);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% 10%, rgba(124, 156, 255, 0.22), transparent 60%),
    radial-gradient(900px 500px at 80% 30%, rgba(124, 156, 255, 0.12), transparent 60%), var(--bg);
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 40px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 18px;
}

h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.muted {
  color: var(--muted);
}

.card {
  background: color-mix(in srgb, var(--card), transparent 0%);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 18px 40px var(--shadow);
  padding: 16px;
}

.dropzone {
  position: relative;
  border: 1px dashed color-mix(in srgb, var(--border), transparent 0%);
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
  background: color-mix(in srgb, var(--card), rgba(124, 156, 255, 0.06) 8%);
  outline: none;
  transition: border-color 120ms ease, background 120ms ease;
}

.dropzone:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent), transparent 75%);
}

.dropzone.dragover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--card), rgba(124, 156, 255, 0.12) 12%);
}

.file {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.dropzone-inner {
  display: grid;
  gap: 6px;
  text-align: center;
}

.dropzone-title {
  font-weight: 620;
}

.dropzone-subtitle {
  font-size: 14px;
  color: var(--muted);
}

.row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 14px;
}

@media (min-width: 860px) {
  .row {
    grid-template-columns: 1fr 1.1fr;
  }
}

.preview {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--card), transparent 0%);
  min-height: 240px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.preview img {
  display: none;
  width: 100%;
  height: auto;
}

.result {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: color-mix(in srgb, var(--card), transparent 0%);
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  line-height: 1;
  transition: transform 80ms ease, border-color 120ms ease, background 120ms ease;
}

.btn:hover {
  border-color: color-mix(in srgb, var(--accent), var(--border) 35%);
  background: color-mix(in srgb, var(--accent), transparent 92%);
}

.btn:active {
  transform: translateY(1px);
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-ghost {
  background: transparent;
}

.text {
  margin: 0;
  padding: 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg), transparent 35%);
  border: 1px solid var(--border);
  min-height: 132px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.status {
  margin-top: 10px;
  font-size: 14px;
}

.footer {
  margin-top: 14px;
  font-size: 13px;
}