/* ---------- Tokens ---------- */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --accent: #6366f1;
  --accent-strong: #4f46e5;
  --accent-soft: #eef2ff;
  --accent-contrast: #ffffff;

  --success: #16a34a;
  --success-soft: #f0fdf4;
  --success-text: #14532d;
  --error: #dc2626;
  --error-soft: #fef2f2;
  --error-text: #7f1d1d;
  --info: #0284c7;
  --info-soft: #f0f9ff;
  --info-text: #0c4a6e;
  --warning: #b45309;

  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 1px 3px rgba(15, 23, 42, 0.05), 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-pop: 0 1px 2px rgba(15, 23, 42, 0.05), 0 12px 40px rgba(15, 23, 42, 0.08);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 120ms;
  --t-med: 180ms;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: 'cv11', 'ss01', 'tnum';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  padding: 32px 20px 56px;
  position: relative;
}

/* glow sutil do accent no topo */
body::before {
  content: '';
  position: fixed;
  inset: 0 0 auto 0;
  height: 320px;
  background: radial-gradient(60% 100% at 50% 0%, color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ---------- Layout ---------- */
.container {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 36px;
  max-width: 640px;
  margin: 0 auto;
}

.container-wide { max-width: 1200px; }
.container-md { max-width: 980px; }

/* ---------- Navigation ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  transition: color var(--t-fast) var(--ease);
}
.back-link:hover { color: var(--accent); }
.back-link::before { content: '←'; font-size: 14px; }

/* ---------- Headings ---------- */
h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-align: center;
  margin-bottom: 6px;
}

.subtitle {
  color: var(--muted);
  text-align: center;
  font-size: 14px;
  margin-bottom: 28px;
  line-height: 1.55;
}

.subtitle strong { color: var(--text); font-weight: 600; }

.section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 28px 0 12px;
}

/* ---------- Page nav (link row) ---------- */
.page-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.page-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-links a:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.page-links .sep { color: var(--border-strong); user-select: none; }

/* ---------- Upload area ---------- */
.upload-area, .upload-box {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  background: var(--surface-2);
  transition: background var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
  cursor: pointer;
}
.upload-area:hover, .upload-box:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.upload-area.dragover, .upload-box.dragover {
  background: var(--accent-soft);
  border-color: var(--accent);
  border-style: solid;
}
.upload-area.has-file, .upload-box.has-file {
  background: var(--accent-soft);
  border-color: var(--accent);
  border-style: solid;
}
.upload-box.optional {
  border-style: dotted;
  opacity: 0.9;
}

.upload-icon {
  font-size: 32px;
  margin-bottom: 10px;
  opacity: 0.85;
}
.upload-text {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}
.upload-hint, .upload-box .hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  margin-top: 4px;
}
.upload-box label {
  display: block;
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}
.upload-box .file-name {
  margin-top: 10px;
  font-size: 12px;
  color: var(--accent-strong);
  font-weight: 500;
  word-break: break-all;
}

input[type="file"] { display: none; }

/* ---------- Buttons ---------- */
.btn {
  background: var(--accent);
  color: var(--accent-contrast);
  border: 1px solid transparent;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 20px;
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
  font-family: inherit;
  letter-spacing: -0.005em;
}
.btn:hover:not(:disabled) {
  background: var(--accent-strong);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 12px color-mix(in srgb, var(--accent) 28%, transparent);
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--accent-strong);
  box-shadow: var(--shadow-sm);
}

.btn.secondary { /* alias used in some pages */
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn.secondary:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--accent-strong);
}

/* small inline buttons */
.btn-sm,
.retry-btn,
.btn-continue,
.btn-generate,
.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.retry-btn {
  background: var(--surface);
  color: var(--accent-strong);
  border-color: var(--border-strong);
}
.retry-btn:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.btn-continue {
  background: var(--success);
  color: white;
}
.btn-continue:hover:not(:disabled) {
  background: color-mix(in srgb, var(--success) 88%, black);
}

.btn-generate {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-generate:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.btn-refresh {
  background: var(--surface);
  color: var(--muted);
  border-color: var(--border);
  margin-bottom: 12px;
}
.btn-refresh:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-strong);
}

.retry-btn:disabled,
.btn-continue:disabled,
.btn-generate:disabled,
.btn-refresh:disabled,
.btn-sm:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Inputs ---------- */
input[type="text"],
input[type="month"],
select {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
input[type="text"]:focus,
input[type="month"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

/* ---------- Status pills ---------- */
.status {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  display: none;
  border: 1px solid transparent;
}
.status.success {
  background: var(--success-soft);
  color: var(--success-text);
  border-color: color-mix(in srgb, var(--success) 22%, transparent);
}
.status.error {
  background: var(--error-soft);
  color: var(--error-text);
  border-color: color-mix(in srgb, var(--error) 22%, transparent);
}
.status.info {
  background: var(--info-soft);
  color: var(--info-text);
  border-color: color-mix(in srgb, var(--info) 22%, transparent);
}

/* ---------- Loading / Spinner ---------- */
.loading {
  display: none;
  text-align: center;
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
}
.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Results ---------- */
.results {
  margin-top: 18px;
  max-height: 320px;
  overflow-y: auto;
}
.result-item {
  padding: 11px 13px;
  margin: 6px 0;
  border-radius: var(--radius-sm);
  font-size: 13px;
  border: 1px solid transparent;
  background: var(--surface-2);
}
.result-item.success {
  background: var(--success-soft);
  color: var(--success-text);
  border-color: color-mix(in srgb, var(--success) 18%, transparent);
}
.result-item.failed {
  background: var(--error-soft);
  color: var(--error-text);
  border-color: color-mix(in srgb, var(--error) 18%, transparent);
}
.results h3 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 18px 0 8px;
}
.result-item a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Processings list ---------- */
.processings-list {
  margin-top: 8px;
  max-height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.processing-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: border-color var(--t-fast) var(--ease);
}
.processing-item:hover { border-color: var(--border-strong); }
.processing-item.completed {
  background: var(--success-soft);
  border-color: color-mix(in srgb, var(--success) 22%, transparent);
}
.processing-item .info { flex: 1; }
.processing-item .info strong {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.processing-item .info span { color: var(--muted); font-size: 12.5px; }
.processing-item .actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Tables ---------- */
.table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: sticky;
  top: 0;
  z-index: 1;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface-2); }
td.km {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--text);
}
td.warn { color: var(--error); font-weight: 600; }

/* ---------- Field rows (forms) ---------- */
.field-row {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  font-size: 13px;
}
.field-row > label {
  font-weight: 600;
  color: var(--text);
}
.radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.radio-group label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  font-weight: 500;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.radio-group label:hover {
  border-color: var(--border-strong);
}
.radio-group input[type="radio"] { accent-color: var(--accent); }

input[type="checkbox"] { accent-color: var(--accent); }

/* ---------- 2-col grid ---------- */
.row, .row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
@media (max-width: 720px) {
  .row, .row-2col { grid-template-columns: 1fr; }
}

/* ---------- Cards (info/summary) ---------- */
.summary-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-top: 14px;
  display: none;
}
.summary-card h3 {
  color: var(--text);
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
}
.summary-card .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 18px;
  font-size: 12.5px;
  color: var(--muted);
}
.summary-card .grid div span {
  color: var(--muted-2);
  font-weight: 500;
  margin-right: 4px;
}

@media (max-width: 720px) {
  .summary-card .grid { grid-template-columns: 1fr 1fr; }
}

.pipeline-info {
  background: color-mix(in srgb, var(--warning) 8%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--warning) 28%, transparent);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--text);
  margin-bottom: 18px;
  line-height: 1.55;
}
.pipeline-info strong { color: var(--text); font-weight: 600; }

/* ---------- Action row ---------- */
.actions-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 18px;
}
.actions-row .btn { width: auto; margin-top: 0; }

/* ---------- Misc ---------- */
.muted { color: var(--muted); }
.text-sm { font-size: 12.5px; }
.legend {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.55;
}
.summary { margin-top: 12px; color: var(--muted); font-size: 12.5px; }