:root {
  --bg: #efe5d0;
  --bg-deep: #d6c2a3;
  --panel: rgba(250, 246, 236, 0.88);
  --panel-strong: #f8f2e5;
  --ink: #1f2a22;
  --muted: #5d695f;
  --accent: #285540;
  --accent-strong: #163729;
  --border: rgba(31, 42, 34, 0.12);
  --shadow: 0 24px 60px rgba(39, 37, 29, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: "Segoe UI Variable", "Aptos", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 248, 228, 0.85), transparent 34%),
    radial-gradient(circle at bottom right, rgba(40, 85, 64, 0.18), transparent 28%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.35), transparent 80%);
}

.shell {
  height: 100dvh;
  padding: 12px;
  overflow: hidden;
}

.hero,
.tree-shell {
  max-width: 1060px;
  margin: 0 auto;
  height: 100%;
}

.hero {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  gap: 18px;
  align-items: center;
  padding: 6px 0;
}

.hero-copy {
  padding: 0;
  animation: rise-in 450ms ease-out;
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.6rem;
  color: var(--accent);
  font-weight: 700;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  margin: 0;
}

h1 {
  max-width: 10ch;
  font-size: clamp(1.9rem, 4.2vw, 3.2rem);
  line-height: 0.92;
}

h2 {
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  line-height: 1.1;
}

.title-meta {
  font-size: 0.76em;
  font-weight: 500;
  color: var(--muted);
}

.lede {
  max-width: 42ch;
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--muted);
}

.unlock-card,
.tree-shell {
  backdrop-filter: blur(14px);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.unlock-card {
  padding: 16px;
  display: grid;
  gap: 10px;
  animation: rise-in 550ms ease-out;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.76rem;
  font-weight: 600;
}

.field input {
  width: 100%;
  border: 1px solid rgba(31, 42, 34, 0.16);
  border-radius: 16px;
  padding: 10px 13px;
  font-size: 0.92rem;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.field input:focus {
  outline: none;
  border-color: rgba(40, 85, 64, 0.55);
  box-shadow: 0 0 0 4px rgba(40, 85, 64, 0.12);
  transform: translateY(-1px);
}

.primary-button,
.secondary-button {
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease, background-color 140ms ease;
}

.primary-button {
  color: #fff9ef;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.secondary-button {
  color: var(--ink);
  background: rgba(31, 42, 34, 0.08);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.status-message {
  min-height: 1.2em;
  margin: 0;
  font-size: 0.74rem;
  color: var(--muted);
}

.status-message.is-error {
  color: #972d2d;
}

.tree-shell {
  padding: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 8px;
  animation: fade-in 280ms ease-out;
  overflow: hidden;
  backdrop-filter: none;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.tree-toolbar {
  display: flex;
  order: 2;
  gap: 8px;
  align-items: start;
  justify-content: space-between;
  padding: 0 2px;
}

.toolbar-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  justify-content: flex-end;
}

.toolbar-message {
  max-width: 34ch;
  margin: 0 4px 0 0;
  font-size: 0.7rem;
  line-height: 1.25;
  color: var(--muted);
  text-align: right;
}

.tree-toolbar h2 {
  margin-top: 0;
}

.tree-stage {
  order: 1;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  border-radius: 24px 24px 0 0;
  border: 1px solid rgba(31, 42, 34, 0.08);
  border-bottom: 0;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(180deg, #203128 0%, #17241d 100%);
}

.chart-root {
  width: 100%;
  height: 100%;
  min-height: 0;
  --background-color: transparent;
  --text-color: #f5f0e2;
  --male-color: #6f95a0;
  --female-color: #be8f96;
  --genderless-color: #b9b7b0;
  font-family: "Segoe UI Variable", "Aptos", "Trebuchet MS", sans-serif;
}

.chart-root .f3-form-cont,
.chart-root .f3-modal-content {
  color: #eef1e8;
}

.chart-root .f3-form input[type="text"],
.chart-root .f3-form textarea,
.chart-root .f3-form select {
  border: 1px solid rgba(255, 245, 224, 0.14);
  border-radius: 12px;
  background: rgba(249, 243, 228, 0.1);
  color: #f7f1e3;
  font-size: 0.88rem;
}

.chart-root .f3-form input[type="text"]:focus,
.chart-root .f3-form textarea:focus,
.chart-root .f3-form select:focus {
  box-shadow: 0 0 0 4px rgba(212, 174, 92, 0.14);
  border-color: rgba(212, 174, 92, 0.55);
}

.chart-root .f3-form button {
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.76rem;
  padding: 8px 12px;
}

.chart-root .f3-form button[type="submit"] {
  background: linear-gradient(135deg, #d0a657 0%, #9a7334 100%);
  color: #1a1914;
}

.chart-root .f3-form button[type="submit"]:hover {
  background: linear-gradient(135deg, #ddb970 0%, #ab8240 100%);
}

.chart-root .f3-cancel-btn {
  background: rgba(255, 255, 255, 0.14);
  color: #f4efe2;
}

.chart-root .f3-cancel-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

.chart-root .f3-form .f3-delete-btn {
  border-color: #d46f6f;
  color: #f2b1b1;
}

.chart-root .f3-delete-btn:hover {
  background-color: #8d3030;
  border-color: #8d3030;
}

.chart-root .f3-form .f3-remove-relative-btn {
  border-color: rgba(244, 239, 226, 0.28);
  color: #f4efe2;
}

.chart-root .f3-remove-relative-btn:hover,
.chart-root .f3-remove-relative-btn.active {
  background-color: #f4efe2;
  border-color: #f4efe2;
  color: #1b221d;
}

.chart-root .f3-form-title,
.chart-root .f3-info-field-label,
.chart-root .f3-form-field label {
  color: #f6efdf;
  font-size: 0.78rem;
}

.chart-root .f3 svg text {
  font-size: 0.88rem;
}

.chart-root .f3 .card_edit.pencil_icon,
.chart-root .f3 .card_add_relative,
.chart-root .f3 .card_break_link {
  transform: scale(0.88);
  transform-origin: center;
}

.chart-root .f3-modal {
  backdrop-filter: blur(5px);
}

.is-hidden {
  display: none;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 900px) {
  .shell {
    padding: 10px;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 14px;
    padding: 4px 0;
    align-content: center;
  }

  h1 {
    max-width: none;
    font-size: clamp(1.7rem, 9vw, 2.7rem);
  }

  .unlock-card,
  .tree-shell {
    border-radius: 22px;
  }

  .tree-shell {
    min-height: 0;
  }

  .tree-stage,
  .chart-root {
    min-height: 0;
  }

  .tree-toolbar {
    align-items: start;
    flex-direction: column;
    padding: 0;
  }

  .toolbar-meta {
    width: 100%;
    justify-content: stretch;
  }

  .toolbar-message {
    max-width: none;
    margin-right: 0;
    text-align: left;
  }

  .secondary-button {
    width: 100%;
  }

  .primary-button {
    width: 100%;
  }
}