:root {
  --jp-bg: #070816;
  --jp-bg-2: #0e1230;
  --jp-panel: rgba(10, 17, 42, 0.78);
  --jp-border: rgba(85, 219, 255, 0.26);
  --jp-border-strong: rgba(255, 56, 172, 0.35);
  --jp-text: #e8f7ff;
  --jp-muted: #93a6c7;
  --jp-cyan: #56f0ff;
  --jp-pink: #ff4db8;
  --jp-lime: #c6ff4d;
  --jp-yellow: #ffe66d;
  --jp-red: #ff6f8f;
  --jp-green: #50ffb1;
  --jp-shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
  --jp-radius: 22px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.jp-body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--jp-text);
  background:
    radial-gradient(circle at top left, rgba(86, 240, 255, 0.08), transparent 30%),
    radial-gradient(circle at top right, rgba(255, 77, 184, 0.08), transparent 28%),
    linear-gradient(180deg, #060711 0%, #090d1f 45%, #070816 100%);
}

#jp-factoracao-app {
  position: relative;
  width: min(1280px, calc(100% - 24px));
  margin: 20px auto;
  padding: 24px;
  overflow: hidden;
}

.jp-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(86, 240, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(86, 240, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), rgba(0,0,0,0.2));
  pointer-events: none;
}

.jp-bg-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.35;
}

.jp-glow-1 {
  width: 220px;
  height: 220px;
  background: var(--jp-cyan);
  top: 70px;
  left: -40px;
}

.jp-glow-2 {
  width: 260px;
  height: 260px;
  background: var(--jp-pink);
  top: 120px;
  right: -50px;
}

.jp-hero {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px 0 18px;
}

.jp-hero-badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--jp-border);
  border-radius: 999px;
  background: rgba(12, 22, 48, 0.75);
  color: var(--jp-cyan);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  box-shadow: 0 0 18px rgba(86, 240, 255, 0.08);
}

.jp-title {
  margin: 18px 0 10px;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #fff;
  text-shadow:
    0 0 8px rgba(86, 240, 255, 0.35),
    0 0 22px rgba(255, 77, 184, 0.2);
}

.jp-subtitle {
  max-width: 860px;
  margin: 0 auto;
  color: var(--jp-muted);
  font-size: 1.02rem;
}

.jp-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 18px;
}

.jp-hero-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #dff6ff;
  font-size: 0.9rem;
}

.jp-main-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
  margin-top: 20px;
}

.jp-panel {
  position: relative;
  background: var(--jp-panel);
  border: 1px solid var(--jp-border);
  border-radius: var(--jp-radius);
  box-shadow: var(--jp-shadow);
  backdrop-filter: blur(12px);
  padding: 22px;
  overflow: hidden;
}

.jp-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(86, 240, 255, 0.08), transparent 30%),
    linear-gradient(315deg, rgba(255, 77, 184, 0.08), transparent 35%);
  pointer-events: none;
}

.jp-panel-head {
  position: relative;
  z-index: 1;
  margin-bottom: 18px;
}

.jp-panel-head h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.jp-panel-head p {
  margin: 0;
  color: var(--jp-muted);
  line-height: 1.55;
}

.jp-form,
.jp-mini-block,
.jp-result-box,
.jp-about-content,
.jp-faq-list {
  position: relative;
  z-index: 1;
}

.jp-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--jp-cyan);
}

.jp-textarea {
  width: 100%;
  min-height: 150px;
  resize: vertical;
  border-radius: 18px;
  border: 1px solid rgba(86, 240, 255, 0.22);
  background: rgba(6, 11, 28, 0.85);
  color: var(--jp-text);
  padding: 16px 18px;
  font-size: 1rem;
  line-height: 1.5;
  outline: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.jp-textarea:focus {
  border-color: var(--jp-cyan);
  box-shadow:
    0 0 0 4px rgba(86, 240, 255, 0.08),
    0 0 24px rgba(86, 240, 255, 0.08);
}

.jp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.jp-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  border-radius: 14px;
  padding: 14px 18px;
  font-weight: 800;
  font-size: 0.96rem;
  transition: transform 0.18s ease, opacity 0.18s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.jp-btn:hover {
  transform: translateY(-1px);
}

.jp-btn:active {
  transform: translateY(0);
}

.jp-btn-primary {
  color: #06111d;
  background: linear-gradient(90deg, var(--jp-cyan), #8ef8ff);
  box-shadow: 0 0 22px rgba(86, 240, 255, 0.25);
}

.jp-btn-secondary {
  color: #fff;
  background: linear-gradient(90deg, #7c4dff, var(--jp-pink));
  box-shadow: 0 0 22px rgba(255, 77, 184, 0.2);
}

.jp-btn-ghost {
  color: var(--jp-text);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

.jp-hint {
  margin-top: 12px;
  color: var(--jp-muted);
  font-size: 0.92rem;
}

.jp-mini-block {
  margin-top: 22px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}

.jp-mini-block h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  color: #fff;
}

.jp-example-list,
.jp-history {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.jp-chip,
.jp-history-item {
  border: 1px solid rgba(86, 240, 255, 0.16);
  background: rgba(8, 15, 36, 0.95);
  color: #dffaff;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.92rem;
  cursor: pointer;
  transition: 0.2s ease;
}

.jp-chip:hover,
.jp-history-item:hover {
  border-color: rgba(86, 240, 255, 0.4);
  box-shadow: 0 0 18px rgba(86, 240, 255, 0.12);
}

.jp-history-empty {
  margin: 0;
  color: var(--jp-muted);
  font-size: 0.95rem;
}

.jp-result-box {
  min-height: 420px;
  display: flex;
  align-items: stretch;
}

.jp-state {
  width: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px 16px;
  border-radius: 18px;
  border: 1px dashed rgba(86, 240, 255, 0.16);
  background: rgba(8, 14, 36, 0.62);
}

.jp-state-icon {
  font-size: 2rem;
  color: var(--jp-cyan);
  margin-bottom: 10px;
}

.jp-state h3 {
  margin: 0 0 8px;
}

.jp-state p {
  margin: 0;
  max-width: 520px;
  color: var(--jp-muted);
}

.jp-result-content {
  width: 100%;
  display: grid;
  gap: 16px;
}

.jp-result-top {
  display: grid;
  gap: 12px;
}

.jp-result-card {
  background: rgba(8, 14, 36, 0.75);
  border: 1px solid rgba(86, 240, 255, 0.14);
  border-radius: 18px;
  padding: 16px;
}

.jp-result-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--jp-cyan);
}

.jp-expression {
  font-size: 1.12rem;
  line-height: 1.6;
  word-break: break-word;
}

.jp-factor-highlight {
  font-size: 1.25rem;
  color: #fff;
  text-shadow: 0 0 18px rgba(86, 240, 255, 0.14);
}

.jp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.jp-meta-badge {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: #eafaff;
  font-size: 0.9rem;
}

.jp-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.jp-method-tag {
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255, 77, 184, 0.08);
  border: 1px solid rgba(255, 77, 184, 0.22);
  color: #ffd2eb;
  font-weight: 700;
  font-size: 0.88rem;
}

.jp-status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.jp-verify {
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.88rem;
}

.jp-verify-ok {
  background: rgba(80, 255, 177, 0.1);
  border: 1px solid rgba(80, 255, 177, 0.28);
  color: var(--jp-green);
}

.jp-verify-fail {
  background: rgba(255, 111, 143, 0.1);
  border: 1px solid rgba(255, 111, 143, 0.28);
  color: var(--jp-red);
}

.jp-copy-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.jp-copy-btn {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}

.jp-steps {
  margin: 0;
  padding-left: 18px;
  color: #e8f7ff;
}

.jp-steps li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.jp-features {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.jp-feature-card {
  background: rgba(10, 17, 42, 0.78);
  border: 1px solid var(--jp-border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--jp-shadow);
}

.jp-feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.03rem;
  color: #fff;
}

.jp-feature-card p {
  margin: 0;
  color: var(--jp-muted);
  line-height: 1.65;
}

.jp-about,
.jp-faq {
  margin-top: 22px;
}

.jp-about-content p {
  margin: 0 0 16px;
  color: #e8f7ff;
  line-height: 1.8;
}

.jp-about-content p:last-child {
  margin-bottom: 0;
}

.jp-faq-list {
  display: grid;
  gap: 12px;
}

.jp-faq-item {
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  overflow: hidden;
}

.jp-faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 800;
  color: #fff;
  position: relative;
}

.jp-faq-item summary::-webkit-details-marker {
  display: none;
}

.jp-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--jp-cyan);
  font-size: 1.3rem;
}

.jp-faq-item[open] summary::after {
  content: "−";
}

.jp-faq-item p {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--jp-muted);
  line-height: 1.7;
}

.jp-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 26px 0 8px;
  color: var(--jp-muted);
}

.jp-error-box {
  border: 1px solid rgba(255, 111, 143, 0.25);
  background: rgba(255, 111, 143, 0.06);
}

.jp-loading-dots::after {
  content: "";
  display: inline-block;
  width: 1em;
  text-align: left;
  animation: jp-dots 1.2s infinite steps(4);
}

@keyframes jp-dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
  100% { content: ""; }
}

@media (max-width: 1100px) {
  .jp-main-grid {
    grid-template-columns: 1fr;
  }

  .jp-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  #jp-factoracao-app {
    width: min(100% - 12px, 1280px);
    padding: 14px;
  }

  .jp-panel,
  .jp-feature-card {
    padding: 16px;
    border-radius: 18px;
  }

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

  .jp-actions {
    flex-direction: column;
  }

  .jp-btn {
    width: 100%;
  }

  .jp-textarea {
    min-height: 130px;
  }

  .jp-result-box {
    min-height: 320px;
  }

  .jp-expression,
  .jp-factor-highlight {
    font-size: 1rem;
  }
}