:root {
  color-scheme: light;
  --bg: #f4efe4;
  --bg-accent: #dbe7e2;
  --ink: #1e2a28;
  --muted: #556462;
  --accent: #f28c28;
  --accent-strong: #db6b1f;
  --card: rgba(255, 255, 255, 0.8);
  --line: rgba(30, 42, 40, 0.12);
  --shadow: 0 20px 40px rgba(27, 40, 37, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 800px at 10% 10%, #f7d9b3 0%, transparent 60%),
    radial-gradient(900px 700px at 90% 20%, #c7e0dc 0%, transparent 60%),
    linear-gradient(140deg, var(--bg), var(--bg-accent));
}

.scene {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero h1 {
  margin: 0;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0;
  font-size: 1.05rem;
  max-width: 720px;
  color: var(--muted);
}

.badge {
  align-self: flex-start;
  padding: 6px 12px;
  background: rgba(242, 140, 40, 0.12);
  color: var(--accent-strong);
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel h2 {
  margin: 0 0 16px;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 1.3rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.field label {
  font-weight: 600;
  font-size: 0.95rem;
}

.field input {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
}

.field select {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 1.1rem,
    calc(100% - 14px) 1.1rem;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.saved-set-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.saved-set-row select {
  flex: 1;
}

.saved-set-row button {
  padding: 10px 12px;
  font-size: 0.85rem;
}

.field input:focus {
  outline: 2px solid rgba(242, 140, 40, 0.35);
  border-color: rgba(242, 140, 40, 0.6);
}

.field select:focus {
  outline: 2px solid rgba(242, 140, 40, 0.35);
  border-color: rgba(242, 140, 40, 0.6);
}

.helper {
  font-size: 0.8rem;
  color: var(--muted);
}

.set-prompt {
  margin-top: 16px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(30, 42, 40, 0.15);
  background: rgba(255, 255, 255, 0.6);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.set-prompt.hidden {
  display: none;
}

.set-prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.set-prompt-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.set-prompt-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.set-prompt-list button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.date-row {
  margin-top: 18px;
  padding: 14px;
  border-radius: 14px;
  border: 1px dashed rgba(242, 140, 40, 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.date-row .label {
  font-size: 0.85rem;
  color: var(--muted);
}

.date-row .value {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
}

.date-row .format {
  font-size: 0.85rem;
  color: var(--muted);
}

.date-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.toggle input[type='checkbox'] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.history-actions {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
}

.history-actions button {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.dropzone {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 40px;
  min-height: 320px;
  border-radius: 16px;
  border: 2px dashed rgba(30, 42, 40, 0.2);
  background: rgba(255, 255, 255, 0.5);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.dropzone input {
  display: none;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: rgba(242, 140, 40, 0.6);
  transform: translateY(-2px);
}

.dropzone-title {
  font-weight: 600;
  font-size: 1.05rem;
}

.dropzone-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

button {
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

#downloadBtn {
  background: linear-gradient(140deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 12px 24px rgba(242, 140, 40, 0.35);
}

#downloadBtn:not(:disabled):hover {
  transform: translateY(-2px);
}

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

.hint {
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.preview {
  padding-bottom: 10px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.count {
  font-size: 0.85rem;
  color: var(--muted);
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.file-list li {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(30, 42, 40, 0.08);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.file-list li.duplicate {
  border-color: rgba(219, 107, 31, 0.7);
  background: rgba(219, 107, 31, 0.1);
}

.file-list .name {
  font-weight: 600;
}

.file-list .rename {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  color: var(--muted);
  font-size: 0.95rem;
  word-break: break-word;
}

.file-list li.empty {
  text-align: center;
  color: var(--muted);
}

.status {
  min-height: 24px;
  font-size: 0.95rem;
  color: var(--muted);
}

.status.error {
  color: #b02a2a;
}

.status.success {
  color: #1b6b3f;
}

.error-details {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(176, 42, 42, 0.4);
  background: rgba(176, 42, 42, 0.08);
  color: #7f1d1d;
  box-shadow: var(--shadow);
}

.error-details.hidden {
  display: none;
}

.error-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.error-message {
  margin: 0;
  white-space: pre-wrap;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .actions {
    flex-direction: column;
  }

  .date-row {
    flex-direction: column;
    align-items: flex-start;
  }
}