/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --color-bg: #FFFCF5;
  --color-bg-card: #FFFFFF;
  --color-bg-alt: #F1F8EC;
  --color-primary: #2F9E5C;
  --color-primary-dark: #1F7A45;
  --color-primary-light: #DCF0E3;
  --color-orange: #FF8A3D;
  --color-orange-light: #FFE8D6;
  --color-yellow: #FFC93D;
  --color-yellow-light: #FFF4D6;
  --color-text: #1C2620;
  --color-text-muted: #66735F;
  --color-border: #E7E3D6;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 4px 20px rgba(28, 38, 32, 0.06);
  --shadow-pop: 0 8px 28px rgba(47, 158, 92, 0.22);
  --nav-height: 76px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}
body {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  position: relative;
}
button { font-family: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
input, select { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

:focus-visible {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: 2px;
}

/* ============================================================
   LAYOUT / VIEWS
   ============================================================ */
#app { min-height: 100dvh; padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom)); }
.view { min-height: 100dvh; animation: fadeIn 0.28s ease; }
.view.hidden { display: none; }
.hidden { display: none !important; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ============================================================
   TYPE
   ============================================================ */
.serif-h1 { font-family: var(--font-display); font-weight: 500; font-size: 2rem; line-height: 1.15; margin: 0.4rem 0 0.6rem; letter-spacing: -0.01em; }
.serif-h2 { font-family: var(--font-display); font-weight: 500; font-size: 1.5rem; margin: 0; letter-spacing: -0.01em; }
.eyebrow { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary-dark); margin: 0 0 0.3rem; font-weight: 600; }
.lede { color: var(--color-text-muted); font-size: 0.98rem; line-height: 1.5; margin: 0 0 1.6rem; }
.lede.small { font-size: 0.85rem; margin-bottom: 1rem; }
.step-count { font-family: var(--font-mono); font-size: 0.72rem; color: var(--color-text-muted); letter-spacing: 0.06em; margin: 0 0 0.5rem; }
.section-label { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); margin: 1.8rem 0 0.8rem; font-weight: 600; }

/* ============================================================
   BUTTONS / INPUTS
   ============================================================ */
.btn { border: none; border-radius: 999px; padding: 0.95rem 1.6rem; font-weight: 600; font-size: 1rem; transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease; }
.btn:active { transform: scale(0.97); }
.btn-block { width: 100%; }
.btn-primary { background: var(--color-primary); color: white; box-shadow: var(--shadow-pop); }
.btn-primary:disabled { background: #C7D6CC; box-shadow: none; cursor: not-allowed; }
.btn-secondary { background: var(--color-bg-card); color: var(--color-primary-dark); border: 1.5px solid var(--color-primary); }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.link-btn { background: none; border: none; color: var(--color-primary-dark); font-weight: 600; text-decoration: underline; }
.icon-btn { background: none; border: none; font-size: 1.2rem; color: var(--color-text); padding: 0.3rem; line-height: 1; }

.text-input {
  width: 100%; border: 1.5px solid var(--color-border); background: var(--color-bg-card);
  border-radius: var(--radius-sm); padding: 0.9rem 1rem; font-size: 1.05rem; color: var(--color-text);
  margin-bottom: 1.4rem; transition: border-color 0.15s ease;
}
.text-input:focus { border-color: var(--color-primary); outline: none; }
.input-row { display: flex; gap: 0.7rem; }
.input-group { flex: 1; position: relative; }
.input-group .text-input { margin-bottom: 0; padding-right: 3.6rem; }
.unit-select { position: absolute; right: 0.5rem; top: 50%; transform: translateY(-50%); border: none; background: var(--color-bg-alt); border-radius: 8px; padding: 0.35rem 0.4rem; font-size: 0.85rem; color: var(--color-primary-dark); font-weight: 600; }
.input-row { margin-bottom: 1.6rem; }

.choice-group { display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 1.6rem; }
.choice-pill { border: 1.5px solid var(--color-border); background: var(--color-bg-card); border-radius: var(--radius-sm); padding: 0.9rem 1rem; text-align: left; font-size: 1rem; font-weight: 500; color: var(--color-text); }
.choice-pill.selected { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary-dark); font-weight: 600; }

/* ============================================================
   ONBOARDING
   ============================================================ */
.onboard-wrap { padding: 2.2rem 1.5rem 2rem; }
.brand-mark { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 2.6rem; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; }
.onboard-step.hidden { display: none; }

/* ============================================================
   DIAGNOSIS
   ============================================================ */
.diag-wrap { padding: 2.2rem 1.5rem 2rem; }
.diag-card {
  background: linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-yellow-light) 100%);
  border-radius: var(--radius-lg); padding: 1.8rem 1.5rem; margin: 1.4rem 0 1.4rem; text-align: center;
}
.diag-badge { font-size: 2.6rem; margin-bottom: 0.6rem; }
.diag-headline { font-family: var(--font-display); font-size: 1.2rem; margin: 0 0 1rem; }
.diag-stats { display: flex; justify-content: center; gap: 1.6rem; margin-bottom: 1rem; }
.diag-stat { display: flex; flex-direction: column; }
.diag-stat .val { font-family: var(--font-mono); font-weight: 600; font-size: 1.1rem; color: var(--color-primary-dark); }
.diag-stat .lab { font-size: 0.72rem; color: var(--color-text-muted); }
.diag-note { font-size: 0.9rem; color: var(--color-text-muted); margin: 0; line-height: 1.5; }
.disclaimer-box { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 1rem 1.1rem; font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.5; margin-bottom: 1.6rem; }

/* ============================================================
   LOADING
   ============================================================ */
.loading-wrap { min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem; }
.sprout-anim { margin-bottom: 1.4rem; }
.stem-line { stroke-dasharray: 70; stroke-dashoffset: 70; animation: growStem 1.1s ease forwards; }
.leaf { opacity: 0; transform-origin: center; }
.leaf-1 { animation: popLeaf 0.5s ease forwards 0.7s; }
.leaf-2 { animation: popLeaf 0.5s ease forwards 1s; }
@keyframes growStem { to { stroke-dashoffset: 0; } }
@keyframes popLeaf { from { opacity: 0; transform: scale(0.3); } to { opacity: 1; transform: scale(1); } }
.loading-text { font-family: var(--font-display); font-size: 1.15rem; color: var(--color-text); margin-bottom: 1.4rem; }
.progress-track { width: 200px; height: 6px; background: var(--color-bg-alt); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: var(--color-primary); border-radius: 999px; transition: width 0.4s ease; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.app-header { display: flex; align-items: center; justify-content: space-between; padding: 1.6rem 1.5rem 1rem; }
.app-header--flat { padding-bottom: 0.6rem; }
.header-eyebrow { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); margin: 0 0 0.2rem; font-weight: 600; }
.streak-chip { display: flex; align-items: center; gap: 0.3rem; background: var(--color-orange-light); color: var(--color-orange); font-family: var(--font-mono); font-weight: 600; padding: 0.4rem 0.8rem; border-radius: 999px; font-size: 0.95rem; }

.bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; height: var(--nav-height);
  background: var(--color-bg-card); border-top: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-around;
  padding-bottom: env(safe-area-inset-bottom); z-index: 20;
}
.nav-btn { background: none; border: none; display: flex; flex-direction: column; align-items: center; gap: 0.25rem; color: var(--color-text-muted); font-size: 0.72rem; font-weight: 600; padding: 0.4rem 0.8rem; }
.nav-btn .nav-icon { font-size: 1.3rem; }
.nav-btn.active { color: var(--color-primary-dark); }

/* ============================================================
   VINE / PANEL
   ============================================================ */
.vine-scroll { padding: 0.5rem 1.5rem 2rem; position: relative; }
.vine-scroll::before {
  content: ''; position: absolute; left: calc(1.5rem + 27px); top: 0.5rem; bottom: 2rem; width: 3px;
  background: linear-gradient(var(--color-primary-light), var(--color-border)); border-radius: 3px;
}
.day-node { display: flex; align-items: center; gap: 1rem; padding: 0.65rem 0; position: relative; }
.day-node-dot {
  width: 56px; height: 56px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 600; font-size: 1rem; z-index: 1; border: 3px solid var(--color-bg);
  background: var(--color-bg-alt); color: var(--color-text-muted);
}
.day-node.completed .day-node-dot { background: var(--color-primary); color: white; }
.day-node.current .day-node-dot { background: var(--color-orange); color: white; box-shadow: 0 0 0 5px var(--color-orange-light); }
.day-node.locked .day-node-dot { background: #EFEEE6; color: #B7BCAE; }
.day-node-body { flex: 1; background: var(--color-bg-card); border-radius: var(--radius-md); padding: 0.85rem 1.05rem; box-shadow: var(--shadow-card); }
.day-node.locked .day-node-body { opacity: 0.55; }
.day-node-week { font-family: var(--font-mono); font-size: 0.65rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.day-node-theme { font-weight: 600; font-size: 0.98rem; margin-top: 0.15rem; }
.day-node-tag { font-size: 0.72rem; color: var(--color-primary-dark); font-weight: 600; margin-top: 0.2rem; }

/* ============================================================
   DAY TASK VIEW
   ============================================================ */
.day-wrap { padding: 0.4rem 1.5rem 2rem; }
.day-number { font-family: var(--font-mono); color: var(--color-orange); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.06em; margin: 0; }
.day-note { color: var(--color-text-muted); line-height: 1.6; margin-bottom: 0.4rem; }
.task-list { display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 2rem; }
.task-item {
  display: flex; align-items: center; gap: 0.8rem; background: var(--color-bg-card); border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md); padding: 0.95rem 1.05rem; transition: border-color 0.15s ease, background 0.15s ease;
}
.task-item.done { border-color: var(--color-primary); background: var(--color-primary-light); }
.task-checkbox {
  width: 26px; height: 26px; border-radius: 8px; border: 2px solid var(--color-border); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; background: white; font-size: 0.9rem; color: white;
}
.task-item.done .task-checkbox { background: var(--color-primary); border-color: var(--color-primary); }
.task-label { font-size: 0.96rem; line-height: 1.4; }
.task-item.done .task-label { text-decoration: line-through; color: var(--color-text-muted); }

/* ============================================================
   PROGRESS VIEW
   ============================================================ */
.progress-wrap { padding: 0.5rem 1.5rem 2rem; }
.progress-hero { display: flex; justify-content: space-between; background: var(--color-bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 1.4rem 1rem; margin-bottom: 0.5rem; }
.progress-hero-stat { display: flex; flex-direction: column; align-items: center; flex: 1; }
.big-num { font-family: var(--font-display); font-size: 1.7rem; font-weight: 600; color: var(--color-primary-dark); }
.stat-label { font-size: 0.72rem; color: var(--color-text-muted); margin-top: 0.15rem; text-align: center; }
.dot-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.6rem; margin-bottom: 1.6rem; }
.dot-cell { aspect-ratio: 1; border-radius: 10px; background: var(--color-bg-alt); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.68rem; color: var(--color-text-muted); font-weight: 600; }
.dot-cell.done { background: var(--color-primary); color: white; }
.dot-cell.today { border: 2px solid var(--color-orange); }
.quote-block { font-family: var(--font-display); font-style: italic; font-size: 1.05rem; color: var(--color-text); text-align: center; line-height: 1.5; padding: 1.4rem 0.6rem; border-top: 1px dashed var(--color-border); }

/* ============================================================
   PROFILE VIEW
   ============================================================ */
.profile-wrap { padding: 0.5rem 1.5rem 2rem; }
.profile-card { text-align: center; margin-bottom: 1.6rem; }
.profile-avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--color-primary-light); display: flex; align-items: center; justify-content: center; font-size: 2rem; margin: 0 auto 0.7rem; }
.profile-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; margin: 0; }
.profile-sub { color: var(--color-text-muted); font-size: 0.88rem; margin: 0.2rem 0 0; }
.profile-list { background: var(--color-bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-card); margin-bottom: 1.8rem; overflow: hidden; }
.profile-row { display: flex; justify-content: space-between; padding: 0.9rem 1.1rem; border-bottom: 1px solid var(--color-border); font-size: 0.92rem; }
.profile-row:last-child { border-bottom: none; }
.profile-row span:first-child { color: var(--color-text-muted); }
.profile-row span:last-child { font-weight: 600; }
#btn-show-install { margin-bottom: 0.8rem; }

/* ============================================================
   INSTALL VIEW
   ============================================================ */
.install-wrap { padding: 0.4rem 1.5rem 2rem; }
.install-tabs { display: flex; gap: 0.5rem; margin: 1.4rem 0 1.4rem; }
.tab-btn { flex: 1; border: 1.5px solid var(--color-border); background: var(--color-bg-card); border-radius: 999px; padding: 0.6rem; font-weight: 600; font-size: 0.9rem; color: var(--color-text-muted); }
.tab-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: white; }
.install-steps { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.install-steps li { display: flex; align-items: flex-start; gap: 0.8rem; font-size: 0.95rem; line-height: 1.5; }
.step-num { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary-dark); font-family: var(--font-mono); font-weight: 600; font-size: 0.85rem; display: flex; align-items: center; justify-content: center; }
.glyph { font-size: 1rem; }

/* ============================================================
   INSTALL TOAST
   ============================================================ */
.install-toast {
  position: fixed; top: env(safe-area-inset-top, 0); left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; background: var(--color-text); color: white; z-index: 30;
  display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 1.1rem; font-size: 0.82rem; line-height: 1.4;
}
.install-toast .link-btn { color: var(--color-yellow); flex-shrink: 0; }
.install-toast .icon-btn { color: white; margin-left: auto; flex-shrink: 0; }