:root {
  --bg: #eae3d3;
  --paper: #fffdf8;
  --paper-alt: #faf5e9;
  --ink: #2b2620;
  --muted: #756b58;
  --muted-soft: #948a76;
  --primary: #223a52;
  --primary-hover: #17293b;
  --gold: #a9802f;
  --gold-soft: #cdae6c;
  --correcto: #4a7a52;
  --advertencia: #a5762f;
  --error: #963c3c;
  --border: #ddd2b8;
  --border-soft: #e9e0cb;
  --radius: 6px;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Jost", "Century Gothic", Futura, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}
body {
  margin: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  font-family: var(--serif);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 50% 0%, #f2ecdd 0%, var(--bg) 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: 12px;
}
p {
  margin-top: 0;
  margin-bottom: 12px;
}
button, input, select {
  line-height: 1.3;
}

/* ---------- Header: running head, like an APA page header ---------- */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(43, 38, 32, 0.03);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.brand-mark {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  outline: 1px solid var(--border);
  outline-offset: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-alt);
}
.brand-mark svg {
  width: 24px;
  height: 24px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand-title {
  font-size: 1.05rem;
}
.brand-subtitle {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.68rem;
  font-family: var(--sans);
  letter-spacing: 0.1em;
}

.link-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 16px;
  margin-left: 8px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--primary);
  transition: border-color 0.15s, background 0.15s;
}
.link-btn:hover {
  border-color: var(--primary);
  background: var(--paper-alt);
}

/* ---------- Page: the "sheet of paper" ---------- */

.page {
  position: relative;
  max-width: 760px;
  margin: 40px auto 100px;
  padding: 56px 64px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow-x: hidden;
  box-shadow:
    0 1px 1px rgba(43, 38, 32, 0.04),
    0 12px 32px -16px rgba(43, 38, 32, 0.25),
    0 40px 60px -40px rgba(43, 38, 32, 0.3);
}
.page::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--border-soft);
  pointer-events: none;
}
.page::after {
  content: "";
  position: absolute;
  inset: 15px;
  border: 1px solid var(--paper);
  pointer-events: none;
}

.hero {
  position: relative;
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-soft);
  overflow: hidden;
}
.hero::before {
  content: "APA";
  position: absolute;
  top: -38px;
  left: 50%;
  transform: translateX(-50%) rotate(-4deg);
  font-size: 9rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.035;
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}
.hero > * {
  position: relative;
  z-index: 1;
}
.hero::after {
  content: "❖";
  position: absolute;
  bottom: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 12px;
  color: var(--gold);
  font-size: 0.85rem;
  z-index: 1;
}
.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 0 0 14px;
}
.hero h1 {
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 18px;
  color: var(--ink);
}
.hero-lede {
  color: var(--muted);
  line-height: 1.65;
  max-width: 520px;
  margin: 0 auto;
  font-size: 0.98rem;
}

/* ---------- Upload card ---------- */

.upload-card {
  background: var(--paper-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-bottom: 8px;
}

#upload-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

input[type="file"] {
  width: 100%;
  font-family: var(--serif);
  color: var(--muted);
}

.dropzone-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  min-height: 96px;
  padding: 20px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.92rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.dropzone-label:hover {
  border-color: var(--gold-soft);
  color: var(--ink);
}
#dropzone.dragover .dropzone-label {
  border-color: var(--gold);
  background: var(--paper-alt);
  color: var(--ink);
}
.dropzone-hint {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

button {
  font-family: var(--sans);
}

#btn-analyze,
.plan-btn,
#auth-submit {
  position: relative;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #f5f1e4;
  border: 1px solid var(--primary-hover);
  border-radius: var(--radius);
  padding: 13px 22px;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(23, 41, 59, 0.15), 0 6px 14px -6px rgba(23, 41, 59, 0.45);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  overflow: hidden;
}
#btn-analyze::before,
.plan-btn::before,
#auth-submit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0) 55%);
  pointer-events: none;
}
#btn-analyze:hover,
.plan-btn:hover,
#auth-submit:hover {
  transform: translateY(-1px);
  border-color: var(--gold);
  box-shadow: 0 2px 4px rgba(23, 41, 59, 0.2), 0 10px 20px -8px rgba(23, 41, 59, 0.5), 0 0 0 3px rgba(169, 128, 47, 0.15);
}
#btn-analyze:active,
.plan-btn:active,
#auth-submit:active {
  transform: translateY(0);
}
#btn-analyze:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.status {
  color: var(--muted);
  min-height: 1.2em;
  font-size: 0.9rem;
}
.status.error {
  color: var(--error);
}

.results {
  margin-top: 44px;
}
.hidden {
  display: none !important;
}

/* ---------- Score card ---------- */

.score-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-soft);
}
.score-card::after {
  content: "❖";
  position: absolute;
  bottom: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 12px;
  color: var(--gold);
  font-size: 0.85rem;
}

.gauge {
  width: 156px;
  height: 156px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
  background: conic-gradient(var(--primary) 0deg, var(--border-soft) 0deg);
  box-shadow:
    0 0 0 1px var(--border),
    0 0 0 6px var(--paper),
    0 0 0 7px var(--gold-soft),
    0 1px 2px rgba(43, 38, 32, 0.06),
    0 16px 28px -18px rgba(43, 38, 32, 0.45);
  position: relative;
  margin: 12px 0;
}
.gauge::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: inset 0 1px 3px rgba(43, 38, 32, 0.08);
}
.gauge span {
  z-index: 1;
  color: var(--ink);
}

.score-label {
  font-family: var(--sans);
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.score-sublabel {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
}

.coverage-bar {
  width: 240px;
  height: 5px;
  border-radius: 999px;
  background: var(--border-soft);
  overflow: hidden;
}
.coverage-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-soft), var(--gold));
  border-radius: 999px;
  transition: width 0.3s ease;
}

.score-footnote {
  color: var(--muted-soft);
  font-size: 0.76rem;
  font-style: italic;
  max-width: 340px;
  text-align: center;
  line-height: 1.5;
}

/* ---------- Counters ---------- */

.counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}
.counter {
  background: var(--paper-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 8px;
  text-align: center;
}
.counter-value {
  display: block;
  font-size: 1.7rem;
  font-weight: 600;
  font-family: var(--serif);
}
.counter.correcto .counter-value {
  color: var(--correcto);
}
.counter.advertencia .counter-value {
  color: var(--advertencia);
}
.counter.error .counter-value {
  color: var(--error);
}
.counter.revision .counter-value {
  color: var(--muted);
}
.counter-label {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.category-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 28px;
}
.category-chip {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------- Legend & coverage notes ---------- */

.legend {
  list-style: none;
  margin: 0 0 20px;
  padding: 16px 20px;
  background: var(--paper-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.83rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}
.legend-dot.correcto {
  background: var(--correcto);
}
.legend-dot.advertencia {
  background: var(--advertencia);
}
.legend-dot.error {
  background: var(--error);
}
.legend-dot.revision {
  background: var(--muted-soft);
}

.not-implemented {
  margin-bottom: 28px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-size: 0.85rem;
}
.not-implemented summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.not-implemented p {
  color: var(--muted);
  line-height: 1.6;
  margin: 12px 0 0;
}

.report-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
  padding: 14px 20px;
  background: var(--paper-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.report-controls label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.report-controls select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- Paywall ---------- */

.paywall {
  background: var(--paper-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}
#bold-button-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
#bold-button-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 48px;
}
.paywall h3 {
  font-weight: 600;
  margin-top: 0;
}
.paywall p {
  color: var(--muted);
  line-height: 1.6;
}

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 20px 0;
}
#account-plans {
  grid-template-columns: repeat(2, 1fr);
  max-width: 360px;
}
.plan-btn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 10px;
}
.plan-btn strong {
  font-family: var(--serif);
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0;
}

.fine-print {
  font-size: 0.75rem;
  color: var(--muted-soft);
  font-style: italic;
}

/* ---------- Detailed findings ---------- */

.detailed-report {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.finding-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 3px;
  padding: 16px 20px;
  transition: box-shadow 0.15s ease;
}
.finding-card:hover {
  box-shadow: 0 6px 16px -10px rgba(43, 38, 32, 0.3);
}
.finding-card.severity-error {
  border-left-color: var(--error);
}
.finding-card.severity-advertencia {
  border-left-color: var(--advertencia);
}
.finding-card.severity-correcto {
  border-left-color: var(--correcto);
}
.finding-card.severity-revision_humana {
  border-left-color: var(--muted-soft);
}
.finding-rule {
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}
.finding-message {
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.55;
}
.finding-meta {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted-soft);
}
.finding-example {
  margin-top: 10px;
  font-size: 0.9rem;
  font-style: italic;
  background: var(--paper-alt);
  border-radius: 3px;
  padding: 10px 14px;
  color: var(--muted);
  line-height: 1.55;
}

.ai-note {
  background: #f2ecdd;
  border: 1px solid var(--gold-soft);
  border-radius: 3px;
  padding: 16px 20px;
  font-size: 0.92rem;
  line-height: 1.55;
}

.writing-signals {
  background: var(--paper-alt);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 18px 20px;
  margin-bottom: 14px;
}
.writing-signals h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-size: 1rem;
}
.signal-badge {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.signal-badge.level-bajo {
  background: rgba(74, 122, 82, 0.15);
  color: var(--correcto);
}
.signal-badge.level-medio {
  background: rgba(165, 118, 47, 0.15);
  color: var(--advertencia);
}
.signal-badge.level-alto {
  background: rgba(150, 60, 60, 0.15);
  color: var(--error);
}
.writing-signals .fine-print {
  margin: 0 0 14px;
}
.signal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--ink);
  line-height: 1.55;
}
.signal-icon {
  display: inline-block;
  width: 1.1em;
  text-align: center;
  color: var(--muted-soft);
}
.signal-list li.signal-typical_of_ai .signal-icon {
  color: var(--advertencia);
}
.signal-list li.signal-typical_of_human .signal-icon {
  color: var(--correcto);
}

/* ---------- Auth dialog ---------- */

dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: min(380px, 90vw);
  box-shadow: 0 24px 60px -20px rgba(43, 38, 32, 0.5);
}
dialog::backdrop {
  background: rgba(43, 38, 32, 0.45);
}
#auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  background: var(--paper);
  font-family: var(--serif);
}
#auth-form h3 {
  margin: 0;
  font-weight: 600;
}
#auth-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
}
#auth-form input:not([type="checkbox"]) {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--serif);
  background: var(--paper-alt);
}
.checkbox-label {
  flex-direction: row !important;
  align-items: flex-start;
  gap: 8px !important;
  text-transform: none !important;
  font-size: 0.82rem !important;
  line-height: 1.4;
}
.checkbox-label input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
}
.checkbox-label a {
  color: var(--primary);
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
#auth-cancel {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 18px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--muted);
}
.error-msg {
  color: var(--error);
  font-size: 0.85rem;
  min-height: 1em;
}

.site-footer {
  max-width: 760px;
  width: 100%;
  margin: auto auto 0;
  padding: 24px 32px 48px;
  text-align: center;
  color: var(--muted-soft);
  font-family: var(--sans);
  font-size: 0.78rem;
}
.site-footer nav {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer a {
  color: var(--muted);
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.legal-page {
  max-width: 720px;
  margin: 40px auto 80px;
  padding: 48px 56px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 2px;
  box-shadow: 0 1px 1px rgba(43, 38, 32, 0.04), 0 12px 32px -16px rgba(43, 38, 32, 0.25);
  line-height: 1.7;
}
.legal-page h1 {
  margin-top: 0;
}
.legal-page h2 {
  font-size: 1.1rem;
  margin-top: 32px;
}
.legal-page p,
.legal-page li {
  color: var(--ink);
}
.legal-page .updated {
  color: var(--muted-soft);
  font-size: 0.85rem;
  font-style: italic;
}
.legal-page a.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--primary);
  font-family: var(--sans);
  font-size: 0.85rem;
}

@media (max-width: 620px) {
  .legal-page {
    padding: 32px 24px;
    margin: 0;
  }
  .page {
    padding: 36px 22px;
    margin: 0;
    border-left: none;
    border-right: none;
  }
  .topbar {
    padding: 14px 20px;
  }
  .plans {
    grid-template-columns: 1fr;
  }
  .counters {
    grid-template-columns: repeat(2, 1fr);
  }
  .report-controls {
    flex-direction: column;
  }
  .dashboard-table {
    font-size: 0.82rem;
  }
  .dashboard-table th,
  .dashboard-table td {
    padding: 8px 10px !important;
  }
}

#documents-table,
#payments-table {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
}

.dashboard-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
}
.dashboard-table th {
  text-align: left;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper-alt);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.dashboard-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--ink);
  word-break: break-word;
}
.dashboard-table tr:last-child td {
  border-bottom: none;
}
.dashboard-table a {
  color: var(--primary);
  white-space: nowrap;
}

/* ---------- Cookie / privacy notice ---------- */

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: var(--primary);
  color: #f5f1e4;
  padding: 16px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--sans);
  font-size: 0.82rem;
  box-shadow: 0 -6px 20px rgba(23, 41, 59, 0.25);
}
.cookie-banner p {
  margin: 0;
  max-width: 620px;
  line-height: 1.55;
  color: #f5f1e4;
}
.cookie-banner a {
  color: var(--gold-soft);
}
.cookie-banner button {
  flex-shrink: 0;
  background: var(--gold);
  color: var(--primary-hover);
  border: none;
  border-radius: var(--radius);
  padding: 9px 20px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.8rem;
  white-space: nowrap;
}
.cookie-banner button:hover {
  background: var(--gold-soft);
}
@media (max-width: 620px) {
  .cookie-banner {
    flex-direction: column;
    text-align: center;
    padding: 14px 18px;
  }
}