:root {
  --bg: #050507;
  --panel: rgba(15, 15, 18, 0.82);
  --panel-solid: #101014;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #d6b56d;
  --accent-2: #9b7d3e;
  --danger: #ff6b6b;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

html[data-bs-theme="light"] {
  --bg: #f4f4f5;
  --panel: rgba(255, 255, 255, 0.85);
  --panel-solid: #ffffff;
  --text: #121214;
  --muted: #52525b;
  --border: rgba(0, 0, 0, 0.10);
  --shadow: 0 24px 70px rgba(24, 24, 27, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(214, 181, 109, 0.13), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(155, 125, 62, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.glass-nav {
  border-bottom: 1px solid var(--border);
  background: rgba(5, 5, 7, 0.78);
  backdrop-filter: blur(16px);
}

html[data-bs-theme="light"] .glass-nav {
  background: rgba(255, 255, 255, 0.78);
}

.navbar-brand {
  color: var(--text);
  letter-spacing: -0.04em;
}

.navbar-brand span {
  color: var(--accent);
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-solid);
  color: var(--text);
  box-shadow: var(--shadow);
}

.hero-card,
.panel-card,
.terminal-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  padding: clamp(1.4rem, 3vw, 3rem);
  overflow: hidden;
  position: relative;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 181, 109, 0.17), transparent 65%);
  pointer-events: none;
}

.panel-card {
  padding: clamp(1rem, 2.2vw, 1.6rem);
}

.min-vh-panel {
  min-height: 42rem;
}

.eyebrow {
  display: inline-flex;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(214, 181, 109, 0.08);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-soft {
  display: inline-flex;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
}

.terminal-card {
  padding: 1.25rem;
  background: linear-gradient(145deg, rgba(13, 13, 16, 0.96), rgba(25, 22, 15, 0.92));
}

.terminal-card code {
  color: #f3e8c4;
  line-height: 1.9;
}

.terminal-dots {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.terminal-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

.input-dark,
.form-control,
.form-select {
  border-radius: 16px;
  border: 1px solid var(--border);
  background-color: rgba(255, 255, 255, 0.045);
  color: var(--text);
}

.input-dark:focus,
.form-control:focus,
.form-select:focus {
  border-color: rgba(214, 181, 109, 0.75);
  box-shadow: 0 0 0 0.25rem rgba(214, 181, 109, 0.14);
}

.form-text,
.text-secondary {
  color: var(--muted) !important;
}

.key-group {
  display: none;
  margin-top: 1rem;
}

.key-group.active {
  display: block;
  animation: fadeUp 0.25s ease both;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.35rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.segmented input {
  display: none;
}

.segmented label {
  margin: 0;
  text-align: center;
  padding: 0.7rem;
  border-radius: 14px;
  color: var(--muted);
  cursor: pointer;
  transition: 0.2s ease;
}

.segmented input:checked + label {
  color: #121214;
  background: linear-gradient(135deg, var(--accent), #f0d998);
  font-weight: 700;
}

.btn-primary-modern {
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  background: linear-gradient(135deg, var(--accent), #f0d998);
  color: #121214;
  font-weight: 800;
  box-shadow: 0 16px 40px rgba(214, 181, 109, 0.22);
}

.btn-primary-modern:hover {
  color: #121214;
  transform: translateY(-1px);
}

.result-box {
  padding: 1.2rem;
  border-radius: 22px;
  border: 1px solid rgba(214, 181, 109, 0.28);
  background: linear-gradient(135deg, rgba(214, 181, 109, 0.11), rgba(255, 255, 255, 0.035));
}

.result-text {
  margin-top: 0.4rem;
  font-size: clamp(1.3rem, 2.8vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  word-break: break-word;
}

.steps-list {
  display: grid;
  gap: 0.8rem;
}

.step-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  padding: 0.9rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.035);
  animation: fadeUp 0.3s ease both;
}

.step-item span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(214, 181, 109, 0.16);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.85rem;
}

.step-item p {
  margin: 0;
  color: var(--text);
}

.matrix-grid,
.playfair-grid {
  display: grid;
  gap: 0.45rem;
  padding: 0.8rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.matrix-grid.size-2 {
  grid-template-columns: repeat(2, 48px);
}

.matrix-grid.size-3 {
  grid-template-columns: repeat(3, 48px);
}

.playfair-grid {
  grid-template-columns: repeat(5, 48px);
  width: max-content;
  max-width: 100%;
}

.matrix-grid span,
.playfair-grid span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(214, 181, 109, 0.12);
  color: var(--text);
  border: 1px solid rgba(214, 181, 109, 0.18);
  font-weight: 800;
}

.custom-accordion .accordion-item,
.custom-accordion .accordion-button {
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  border-color: var(--border);
}

.custom-accordion .accordion-item {
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 0.7rem;
}

.empty-state {
  min-height: 32rem;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}

.empty-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 24px;
  background: rgba(214, 181, 109, 0.1);
  color: var(--accent);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.modern-table {
  --bs-table-bg: transparent;
  border-color: var(--border);
}

.reveal {
  animation: fadeUp 0.45s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 576px) {
  .hero-card,
  .panel-card {
    border-radius: 22px;
  }

  .playfair-grid {
    grid-template-columns: repeat(5, 38px);
  }

  .playfair-grid span,
  .matrix-grid span {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .matrix-grid.size-2 {
    grid-template-columns: repeat(2, 38px);
  }

  .matrix-grid.size-3 {
    grid-template-columns: repeat(3, 38px);
  }
}