:root {
  --bg: #f4f7fb;
  --text: #162033;
  --muted: #5a6880;
  --card: #ffffff;
  --stroke: #d6dfeb;
  --primary: #134074;
  --primary-hover: #0f3360;
  --success: #146c43;
  --danger: #b42318;
  --input-bg: #f9fbff;
  --shadow: 0 16px 40px rgba(17, 35, 66, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Manrope", "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100%;
}

body {
  position: relative;
  overflow-x: hidden;
}

.bg-gradient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 100% -5%, rgba(35, 93, 156, 0.2), transparent 65%),
    radial-gradient(1000px 500px at -10% 10%, rgba(38, 150, 120, 0.17), transparent 58%),
    linear-gradient(180deg, #f6f9fd 0%, #edf3fb 100%);
  z-index: -2;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(19, 64, 116, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(19, 64, 116, 0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at 70% 0%, black 30%, transparent 85%);
}

.layout {
  width: min(1180px, 92vw);
  margin: 28px auto 48px;
  display: grid;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.hero h1 {
  margin: 8px 0 10px;
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.25;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 800;
  color: #1a4f8a;
}

.template-info {
  margin-top: 12px !important;
  font-weight: 600;
}

h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.muted {
  margin: 0;
  color: var(--muted);
}

.upload-row,
.action-row,
.section-header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.btn.primary {
  color: #fff;
  background: linear-gradient(120deg, var(--primary), #1b4d85);
  border-color: #0f3462;
}

.btn.primary:hover:enabled {
  background: linear-gradient(120deg, var(--primary-hover), #194271);
}

.btn.ghost {
  background: #fff;
  color: var(--primary);
  border-color: #b7c9e1;
}

.btn.ghost:hover:enabled {
  background: #f0f5fc;
}

.btn.success {
  background: var(--success);
  color: #fff;
  border-color: #0f5836;
}

.btn.success:hover {
  background: #0f5836;
}

.file-trigger {
  position: relative;
  overflow: hidden;
}

.file-trigger input[type="file"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.selected-file {
  margin-top: 10px;
  font-size: 0.9rem;
}

.paste-block {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.paste-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}

.json-paste-input {
  width: 100%;
  border: 1px solid #c7d4e6;
  background: #f8fbff;
  border-radius: 10px;
  padding: 10px 11px;
  color: var(--text);
  font: 500 0.9rem/1.45 "Consolas", "Courier New", monospace;
  resize: vertical;
  min-height: 120px;
}

.json-paste-input:focus {
  outline: none;
  border-color: #2a5d97;
  box-shadow: 0 0 0 3px rgba(42, 93, 151, 0.14);
}

.paste-actions {
  display: flex;
  justify-content: flex-end;
}

.message {
  margin-top: 12px;
  padding: 11px 13px;
  border-radius: 12px;
  border: 1px solid #bed2ea;
  background: #edf4ff;
  color: #0f3563;
  font-weight: 600;
}

.message.error {
  border-color: #f2b8b5;
  background: #fff2f1;
  color: var(--danger);
}

.hidden {
  display: none !important;
}

.form-block {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.subcard {
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
  border-radius: 14px;
  padding: 16px;
}

.subcard h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.88rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #c7d4e6;
  background: var(--input-bg);
  border-radius: 10px;
  padding: 10px 11px;
  color: var(--text);
  font: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: #2a5d97;
  box-shadow: 0 0 0 3px rgba(42, 93, 151, 0.14);
}

.help {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.period-card {
  border: 1px solid #d2ddec;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.period-card summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  border-bottom: 1px solid #dbe3ef;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: linear-gradient(90deg, rgba(25, 79, 137, 0.09), rgba(20, 108, 67, 0.09));
  font-weight: 700;
}

.period-card summary::-webkit-details-marker {
  display: none;
}

.period-body {
  padding: 15px;
  display: grid;
  gap: 12px;
}

.period-actions {
  display: flex;
  justify-content: flex-end;
}

.btn.small {
  padding: 7px 11px;
  font-size: 0.8rem;
}

.btn.danger {
  color: #fff;
  background: #bc3028;
  border-color: #92231d;
}

.alert-summary-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.alert-summary-item {
  border: 1px solid #d2ddec;
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
}

.alert-summary-year {
  margin: 0;
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #1e5a98;
}

.alert-summary-text {
  margin: 6px 0 0;
  white-space: pre-wrap;
  line-height: 1.45;
}

/* ---- Preview estático ---- */
.preview-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.preview-wrap {
  margin-top: 14px;
  display: grid;
  gap: 14px;
}

.preview-static-block {
  display: grid;
  gap: 6px;
  margin-bottom: 40px;
}

.preview-static-title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--primary);
}

.preview-static-scroll {
  overflow-x: auto;
  border: 1px solid var(--stroke);
  border-radius: 8px;
}

.preview-static-table {
  border-collapse: collapse;
  font-size: 0.8rem;
  white-space: nowrap;
  width: 100%;
}

.preview-static-table thead th {
  background: var(--primary);
  color: #fff;
  padding: 6px 10px;
  font-weight: 700;
  text-align: right;
}

.preview-static-table thead th.pst-label {
  text-align: left;
  min-width: 195px;
}

.preview-static-table td {
  padding: 3px 10px;
  border-bottom: 1px solid #f0f3f7;
}

.preview-static-table td.pst-label {
  min-width: 195px;
}

.preview-static-table td.pst-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  min-width: 88px;
}

.preview-static-table td.pst-zero {
  color: #c0c8d4;
  text-align: right;
}

.preview-static-table td.pst-separator {
  background: #e8f0fa;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  padding: 4px 10px;
}

.preview-static-table tr.pst-total td {
  font-weight: 700;
  background: #f2f6ff;
}

.preview-static-table tr:not(.pst-total):hover td:not(.pst-separator) {
  background: #f5f8ff;
}

@media (max-width: 760px) {
  .layout {
    width: min(1180px, 95vw);
    margin: 16px auto 28px;
  }

  .card {
    padding: 16px;
    border-radius: 14px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .period-card summary {
    flex-direction: column;
    align-items: flex-start;
  }
}