:root {
  color-scheme: light;
  --bg: #eef2f6;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #121826;
  --muted: #667085;
  --line: #d6dde8;
  --line-strong: #b9c3d1;
  --accent: #087f5b;
  --accent-dark: #066347;
  --accent-soft: #e6f5ef;
  --danger: #b42318;
  --warning-line: #f6b56b;
  --warning-bg: #fff8ed;
  --shadow: 0 18px 45px rgba(18, 24, 38, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #f8fafc 0, var(--bg) 300px),
    var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 28px auto;
}

.workspace {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.topbar {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 28px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfe;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  line-height: 1.3;
}

p,
span,
small {
  color: var(--muted);
}

.topbar p,
.section-heading p {
  margin-top: 5px;
}

.mode-control {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
}

.strict-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.strict-toggle input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.help-button {
  width: 28px;
  min-width: 28px;
  min-height: 28px;
  height: 28px;
  padding: 0;
  border-radius: 50%;
  color: var(--muted);
  font-weight: 700;
  line-height: 1;
}

.help-tooltip {
  position: absolute;
  top: 38px;
  right: 0;
  z-index: 2;
  width: min(360px, calc(100vw - 64px));
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  box-shadow: 0 12px 30px rgba(18, 24, 38, 0.14);
  font-size: 14px;
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.help-button:hover + .help-tooltip,
.help-button:focus + .help-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.upload-area {
  margin: 0;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 14px;
}

.field,
.file-picker {
  display: grid;
  gap: 7px;
}

.field > span,
.file-picker-label {
  font-size: 13px;
  font-weight: 700;
  color: #475467;
}

.field select,
.file-picker {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.field select {
  padding: 0 12px;
}

.file-picker {
  position: relative;
  padding: 10px 132px 10px 12px;
  cursor: pointer;
}

.file-picker::after {
  content: "Escolher PDF";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--text);
  background: var(--panel-soft);
  font-size: 13px;
  font-weight: 700;
}

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

.file-name {
  min-width: 0;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

button {
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
}

button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

button:hover {
  border-color: var(--accent-dark);
}

button.primary:hover {
  background: var(--accent-dark);
}

.summary {
  padding: 22px 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  background: var(--panel-soft);
  border-bottom: 1px solid var(--line);
}

.summary div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 15px 16px;
  background: #ffffff;
}

.summary span,
.summary strong,
.summary small {
  display: block;
}

.summary strong {
  margin-top: 7px;
  font-size: 30px;
  line-height: 1;
  color: var(--text);
}

.summary small {
  margin-top: 7px;
  font-size: 12px;
}

.warnings-panel {
  padding: 24px 28px 28px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.status-pill {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.status-pill:empty {
  display: none;
}

.warnings-list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.warnings-list:empty::before {
  content: "Nenhum processamento executado ainda.";
  display: block;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #ffffff;
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #ffffff;
}

.warning-item {
  border: 1px solid var(--warning-line);
  border-left: 4px solid var(--warning-line);
  background: var(--warning-bg);
  border-radius: 8px;
  padding: 14px;
}

.warning-item strong {
  display: block;
  color: var(--danger);
  margin-bottom: 8px;
}

.warning-details {
  margin: 0 0 10px;
  display: grid;
  gap: 7px;
}

.warning-details div {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 8px;
}

.warning-details dt {
  color: var(--muted);
  font-weight: 700;
}

.warning-details dd {
  margin: 0;
}

.warning-item code {
  display: block;
  padding: 10px 12px;
  border: 1px solid #fed7aa;
  border-radius: 6px;
  background: #ffffff;
  color: #344054;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 1080px);
    margin: 10px auto;
  }

  .topbar,
  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .mode-control {
    align-self: flex-start;
  }

  .form-grid,
  .summary {
    grid-template-columns: 1fr;
  }

  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .file-picker {
    padding-right: 12px;
    padding-bottom: 48px;
  }

  .file-picker::after {
    left: 12px;
    right: auto;
    top: auto;
    bottom: 10px;
    transform: none;
  }

  .warning-details div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}