:root {
  color-scheme: light;
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --line: #dddddd;
  --accent: #111111;
  --ghost: #f3f3f3;
  --radius: 12px;
  --space: clamp(1rem, 2vw, 1.5rem);
  --distance: clamp(2rem, 6vw, 4rem);
  --font: system-ui, -apple-system, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  width: min(680px, 90vw);
  margin: var(--distance) auto;
  display: flex;
  flex-direction: column;
  gap: var(--distance);
}

.masthead {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.masthead h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 0.5rem 0;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.tagline {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.upload-card,
.share-card,
.notify-card,
.download-card,
.action-card,
.email-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--distance);
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 0.8);
  background: var(--ghost);
}

.info-item-wide {
  grid-column: 1 / -1;
}

.info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.info-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--fg);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.info-actions {
  margin-top: 0.5rem;
  display: flex;
  justify-content: flex-end;
}

.dropzone {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: calc(var(--distance) * 0.75);
  text-align: center;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.dropzone.dragover {
  border-color: var(--fg);
  background: #fafafa;
}

.drop-hint {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.drop-hint .primary {
  font-weight: 600;
}

.drop-hint .secondary {
  font-size: 0.9rem;
  color: var(--muted);
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.progress {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.progress-bar {
  height: 6px;
  background: var(--ghost);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.1s linear;
}

.label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.share-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.notify-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: nowrap;
}

.share-input,
.notify-row input,
.notify-row .share-input,
.notify-row .notify-input {
  flex: 1 1 auto;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 1rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--bg);
  color: var(--fg);
}

.primary-button,
.ghost-button {
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: opacity 0.2s ease;
  cursor: pointer;
  border: none;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--ghost);
  cursor: pointer;
  font-size: 1.1rem;
  min-width: 3rem;
  transition: opacity 0.2s ease;
}

.icon-button:hover {
  opacity: 0.85;
}

.primary-button {
  background: var(--accent);
  color: var(--bg);
}

.ghost-button {
  background: var(--ghost);
  color: var(--fg);
  border: 1px solid var(--line);
}

.primary-button:hover,
.ghost-button:hover {
  opacity: 0.85;
}

.download-button {
  align-self: flex-start;
  text-align: center;
}

.meta-list {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.meta-list dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.meta-list dd {
  margin: 0.25rem 0 0 0;
  font-size: 1rem;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.error {
  color: #b00020;
  background: #ffecec;
  border: 1px solid #ffd2d2;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}

.warning-card {
  border: 1px solid #f4c164;
  background: #fff7e6;
  border-radius: var(--radius);
  padding: var(--space);
}

.warning-actions {
  margin-top: 0.75rem;
  display: flex;
  justify-content: flex-end;
}

.notify-card,
.email-card {
  padding: calc(var(--distance) * 0.6);
  gap: calc(var(--space) * 0.6);
}

.notify-controls {
  display: flex;
  justify-content: flex-end;
}

.warning-text {
  margin: 0;
  color: #7a4b00;
  font-size: 0.95rem;
  line-height: 1.5;
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.mono {
  font-family: "SFMono-Regular", "Menlo", "Monaco", "Consolas", "Liberation Mono", "Courier New", monospace;
  letter-spacing: 0.02em;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

textarea {
  font-family: var(--font);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  resize: vertical;
  min-height: 120px;
}

@media (max-width: 600px) {
  .share-row {
    flex-direction: column;
  }

  .notify-row {
    flex-direction: row;
  }

  .primary-button,
  .ghost-button {
    width: 100%;
    text-align: center;
  }

  .notify-row .ghost-button {
    width: auto;
    min-width: 0;
  }
}
.download-link-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: calc(var(--distance) * 0.6);
  display: flex;
  flex-direction: column;
  gap: var(--space);
}