:root {
  --accent: #4f46e5;
  --accent-light: #eef2ff;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --error: #dc2626;
  --error-bg: #fef2f2;
  --success: #059669;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  padding: 1.5rem;
}

.card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.card.wide { max-width: 680px; }

header {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-bottom: 1.75rem;
}

.back-link {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.1rem;
}

.settings-link {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  color: var(--text-muted);
  text-decoration: none;
}
.settings-link:hover { color: var(--accent); }

.logo {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

h1 {
  font-size: 1.1rem;
  font-weight: 650;
  margin: 0 0 0.2rem;
}

.subtitle {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --- Upload dropzone --- */

#dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.25rem 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

#dropzone svg { color: var(--accent); }

#dropzone strong { color: var(--text); }

#dropzone:hover,
#dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

#dropzone .hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

/* --- Progress --- */

.file-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 1rem;
  overflow: hidden;
}

.file-row span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-track {
  height: 10px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #7c6cf0);
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
  transition: width 0.4s ease;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: 0 0; }
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

#status-label { text-transform: capitalize; }

/* --- Done state --- */

#done-view {
  text-align: center;
}

.result-icon {
  color: var(--success);
  margin-bottom: 0.75rem;
}

#result-summary {
  font-size: 0.92rem;
  color: var(--text);
  margin: 0 0 1.25rem;
}

.button-row {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 9px;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.1s ease, opacity 0.15s ease;
}

.button:active { transform: scale(0.97); }

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

.button.primary:hover { opacity: 0.92; }

.button.secondary {
  background: var(--accent-light);
  color: var(--accent);
}

.button.secondary:hover { opacity: 0.85; }

.link-button {
  display: block;
  margin: 1.1rem auto 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

.link-button:hover { color: var(--text); }

/* --- Error state --- */

#error-view { text-align: center; }

.error-text {
  background: var(--error-bg);
  color: var(--error);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.86rem;
  margin: 1rem 0 0;
}

/* ===================== Settings page ===================== */

.tabs {
  display: flex;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.6rem 0.2rem;
  margin-right: 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}

.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.panel-hint {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 1rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  margin-bottom: 1rem;
}

.data-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.data-table tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-light);
  color: var(--accent);
}

.badge.code-backed { background: #fef3c7; color: #92400e; }

.row-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.2rem 0.4rem;
}
.row-delete:hover { color: var(--error); }
.row-delete:disabled { opacity: 0.3; cursor: not-allowed; }

.add-form summary {
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.add-form form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--bg);
  border-radius: 10px;
  padding: 1rem;
}

.add-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.add-form input,
.add-form textarea,
.add-form select {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 400;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.form-row-pair { display: flex; gap: 0.75rem; }
.form-row-pair label { flex: 1; }

.field-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin: -0.3rem 0 0;
}

.button.small { padding: 0.45rem 0.85rem; font-size: 0.82rem; align-self: flex-start; }

.inline-form {
  flex-direction: row !important;
  background: none !important;
  padding: 0 !important;
  margin-top: 0.75rem;
}
.inline-form input { flex: 1; }

.tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.4rem 0.3rem 0.8rem;
  font-size: 0.82rem;
}

.tag-list button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  line-height: 1;
}
.tag-list button:hover { color: var(--error); background: var(--error-bg); }