:root {
  color-scheme: dark;
  --bg: #05060b;
  --panel: rgba(17, 20, 34, 0.82);
  --panel-strong: rgba(22, 26, 45, 0.96);
  --text: #f8f9ff;
  --muted: #aeb7d8;
  --line: rgba(139, 156, 255, 0.22);
  --blue: #00a3ff;
  --purple: #a878ff;
  --success: #38f2a3;
  --warning: #ffd166;
  --danger: #ff6b8a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(0, 163, 255, 0.16), transparent 34%),
              radial-gradient(circle at top right, rgba(168, 120, 255, 0.18), transparent 30%),
              var(--bg);
  color: var(--text);
}

.ambient {
  position: fixed;
  width: 36rem;
  height: 36rem;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.24;
  pointer-events: none;
  z-index: -1;
}

.ambient-one { background: var(--blue); top: -10rem; left: -10rem; }
.ambient-two { background: var(--purple); bottom: -12rem; right: -8rem; }

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 56px;
}

.card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)), var(--panel);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: flex;
  justify-content: center;
  padding: clamp(26px, 5vw, 46px);
  overflow: hidden;
  position: relative;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 0%, rgba(0, 163, 255, 0.22), transparent 38%),
              radial-gradient(circle at 55% 18%, rgba(168, 120, 255, 0.2), transparent 32%);
  pointer-events: none;
}

.brand-identity {
  align-items: center;
  display: flex;
  flex-direction: column;
  isolation: isolate;
  position: relative;
  width: min(850px, 100%);
}

.brand-logo {
  width: clamp(136px, 20vw, 204px);
  height: auto;
  margin-bottom: 20px;
  border-radius: 32px;
  filter: drop-shadow(0 22px 50px rgba(0, 163, 255, 0.24));
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: clamp(2.2rem, 5vw, 4.6rem); line-height: 0.95; letter-spacing: -0.06em; }
h2 { margin-bottom: 6px; font-size: 1.3rem; }
h3 { margin-bottom: 12px; color: #ffffff; }

.hero-copy, .section-heading p, .legal-banner, label, .result-block { color: var(--muted); }
.hero-copy { max-width: 760px; margin: 0 auto; font-size: 1.05rem; line-height: 1.7; }

.legal-banner {
  margin: 20px 0;
  padding: 16px 18px;
  border: 1px solid rgba(255, 209, 102, 0.32);
  border-radius: 18px;
  background: rgba(255, 209, 102, 0.08);
  line-height: 1.6;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 20px;
  align-items: start;
}

.form-card, .result-card, .history-card { padding: 26px; }
.history-card { margin-top: 20px; }

.corporate-footer {
  display: grid;
  gap: 8px;
  justify-items: center;
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0, 163, 255, 0.08), rgba(168, 120, 255, 0.08)), rgba(255, 255, 255, 0.035);
  color: var(--muted);
  text-align: center;
}

.corporate-footer p { margin: 0; }
.corporate-footer a { color: var(--text); font-weight: 800; text-decoration: none; }
.corporate-footer a:hover { color: var(--blue); text-decoration: underline; }
.footer-credit { color: var(--text); font-weight: 800; }

.section-heading {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.step {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(0, 163, 255, 0.13);
  color: var(--blue);
  font-weight: 800;
}

.analysis-form { display: grid; gap: 16px; }
label { display: grid; gap: 8px; font-size: 0.92rem; font-weight: 700; }
.grid-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(3, 6, 16, 0.75);
  color: var(--text);
  font: inherit;
  outline: none;
  padding: 14px 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

textarea { resize: vertical; min-height: 110px; }
input:focus, textarea:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0, 163, 255, 0.12); }

.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border: 0;
  border-radius: 16px;
  color: white;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
}

.primary-button { background: linear-gradient(135deg, var(--blue), var(--purple)); box-shadow: 0 16px 44px rgba(0, 163, 255, 0.22); }
.secondary-button { padding: 0 18px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.06); }
.primary-button:disabled { cursor: wait; opacity: 0.82; }
.button-loader { display: none; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff; border-radius: 50%; animation: spin 0.8s linear infinite; }
.primary-button.is-loading .button-loader { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.progress {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}
.progress-step { opacity: 0.45; }
.progress-step.is-active { color: var(--blue); opacity: 1; font-weight: 800; }
.progress-step.is-done { color: var(--success); opacity: 1; }

.result-card { position: sticky; top: 18px; }
.viability {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin-bottom: 18px;
  border-radius: 999px;
  font-weight: 900;
  text-transform: uppercase;
}
.viability.alta, .mini-pill.alta { background: rgba(56, 242, 163, 0.14); color: var(--success); }
.viability.media, .mini-pill.media { background: rgba(255, 209, 102, 0.14); color: var(--warning); }
.viability.baja, .mini-pill.baja { background: rgba(255, 107, 138, 0.14); color: var(--danger); }

.result-block {
  padding: 16px 0;
  border-top: 1px solid var(--line);
  line-height: 1.6;
}
ul { margin: 0; padding-left: 19px; }
.policy-list { display: grid; gap: 12px; }
.policy-item { padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, 0.04); }
.policy-item strong { display: block; color: var(--text); margin-bottom: 6px; }
.claim-text { min-height: 320px; line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }

.history-table-wrap { overflow-x: auto; }
.history-table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--text); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; }
td { color: var(--muted); }
td a { color: var(--blue); font-weight: 800; text-decoration: none; }
.mini-pill { display: inline-flex; padding: 5px 9px; border-radius: 999px; font-weight: 800; text-transform: uppercase; font-size: 0.74rem; }
.empty-row td { text-align: center; padding: 28px; }

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: min(420px, calc(100% - 40px));
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-strong);
  color: var(--text);
  box-shadow: var(--shadow);
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast.is-error { border-color: rgba(255, 107, 138, 0.48); }

@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .result-card { position: static; }
  .hero { align-items: center; }
}

@media (max-width: 640px) {
  .page-shell { width: min(100% - 20px, 1180px); padding-top: 18px; }
  .section-heading { flex-direction: column; }
  .form-card, .result-card, .history-card, .hero { padding: 20px; border-radius: 22px; }
  .grid-two { grid-template-columns: 1fr; }
  .brand-logo { width: 132px; border-radius: 24px; }
}

.top-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  margin-bottom: 18px;
}

.nav-link, .plan-badge, .user-email {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-weight: 800;
  padding: 10px 14px;
  text-decoration: none;
}

.primary-nav, .plan-badge { background: linear-gradient(135deg, rgba(0, 163, 255, 0.2), rgba(168, 120, 255, 0.2)); }
.user-email { color: var(--muted); font-weight: 700; }
.nav-link:hover { border-color: var(--blue); color: var(--blue); }

.auth-gate {
  margin-bottom: 20px;
  padding: 24px;
  text-align: center;
}

.centered-actions { justify-content: center; }
.centered-heading { justify-content: center; text-align: center; }

.pricing-section { margin-top: 22px; }
.pricing-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.price-card.is-featured { border-color: rgba(0, 163, 255, 0.5); }
.price { color: var(--text); font-size: 2.1rem; font-weight: 900; letter-spacing: -0.04em; margin: 0; }
.price span { color: var(--muted); font-size: 1rem; margin-left: 4px; }
.price-card ul { color: var(--muted); line-height: 1.7; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: center;
  margin-top: 8px;
}

.auth-shell {
  display: grid;
  min-height: 100vh;
  padding: 28px;
  place-items: center;
}

.auth-card {
  max-width: 480px;
  padding: clamp(24px, 5vw, 38px);
  text-align: center;
  width: 100%;
}

.auth-logo-link { display: inline-flex; }
.auth-logo {
  border-radius: 28px;
  filter: drop-shadow(0 18px 42px rgba(0, 163, 255, 0.24));
  height: auto;
  margin: 0 auto 18px;
  width: clamp(120px, 22vw, 168px);
}

.auth-card h1, .legal-page h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
.auth-copy, .auth-switch, .legal-block p { color: var(--muted); line-height: 1.7; }
.auth-switch { margin: 18px 0 0; }
.auth-switch a { color: var(--blue); font-weight: 800; text-decoration: none; }
.form-error {
  background: rgba(255, 107, 138, 0.12);
  border: 1px solid rgba(255, 107, 138, 0.4);
  border-radius: 16px;
  color: var(--text);
  margin-bottom: 16px;
  padding: 12px 14px;
}

.narrow-shell { width: min(900px, calc(100% - 32px)); }
.legal-page { padding: clamp(24px, 5vw, 42px); text-align: center; }
.legal-block {
  border-top: 1px solid var(--line);
  margin-top: 22px;
  padding-top: 22px;
  text-align: left;
}
.legal-block h2 { color: var(--text); }

@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .top-nav { justify-content: center; }
}

@media (max-width: 640px) {
  .brand-logo { width: 132px; }
  .auth-shell { padding: 14px; }
}