:root{
  --bg: #F6F8F2;
  --bg-deep: #EEF3E8;
  --sage: #4A6B57;
  --sage-dark: #33493B;
  --sage-pale: #E4EDDE;
  --honey: #C99A4B;
  --clay: #C4715A;
  --clay-pale: #F3E1DA;
  --ink: #2B3A32;
  --ink-soft: #5B6B60;
  --card: #FFFFFF;
  --line: #DEE7D6;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(43,58,50,0.06), 0 8px 24px -12px rgba(43,58,50,0.18);
  --display: "Fraunces", "Iowan Old Style", serif;
  --body: "Nunito Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.5;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
h1,h2,h3{ font-family:var(--display); font-weight:600; color:var(--sage-dark); margin:0 0 .4em; }
h1{ font-size:clamp(1.9rem, 5vw, 2.7rem); font-optical-sizing:auto; }
h2{ font-size:1.4rem; }
h3{ font-size:1.05rem; }
p{ margin:0 0 1em; color:var(--ink-soft); }
:focus-visible{ outline:3px solid var(--honey); outline-offset:2px; border-radius:4px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
}

/* ---------- topbar ---------- */
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 20px; background:var(--card); border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:20;
}
.brand{ display:flex; align-items:center; gap:8px; }
.brand-word{ font-family:var(--display); font-weight:600; font-size:1.15rem; color:var(--sage-dark); letter-spacing:-0.01em; }
.brand-word em{ font-style:italic; color:var(--honey); }
.topnav{ display:none; gap:22px; align-items:center; font-weight:700; font-size:0.92rem; }
.topnav a{ color:var(--ink-soft); padding:6px 2px; border-bottom:2px solid transparent; }
.topnav a.active, .topnav a:hover{ color:var(--sage-dark); border-color:var(--honey); }
.topnav a.logout{ color:var(--clay); }
@media (min-width:860px){ .topnav{ display:flex; } }

/* ---------- layout ---------- */
.page{ flex:1; width:100%; max-width:760px; margin:0 auto; padding:20px 18px 90px; }
@media (min-width:860px){ .page{ padding-bottom:40px; } }

.tabbar{
  position:fixed; bottom:0; left:0; right:0; z-index:20;
  display:flex; background:var(--card); border-top:1px solid var(--line);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabbar a{ flex:1; display:flex; flex-direction:column; align-items:center; gap:2px;
  color:var(--ink-soft); font-size:0.68rem; font-weight:700; padding:6px 0; border-radius:10px; }
.tabbar a.active{ color:var(--sage-dark); background:var(--sage-pale); }
@media (min-width:860px){ .tabbar{ display:none; } }

.site-footer{ text-align:center; font-size:0.75rem; color:var(--ink-soft); padding:18px; opacity:0.75; }

/* ---------- flash ---------- */
.flash-stack{ margin-bottom:14px; display:flex; flex-direction:column; gap:8px; }
.flash{ padding:10px 14px; border-radius:var(--radius-sm); font-size:0.9rem; font-weight:600; }
.flash-success{ background:var(--sage-pale); color:var(--sage-dark); }
.flash-error{ background:var(--clay-pale); color:#8C3F2C; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--body); font-weight:800; font-size:0.92rem;
  padding:12px 20px; border-radius:999px; border:none; cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease;
}
.btn:active{ transform:scale(0.97); }
.btn-primary{ background:var(--sage); color:#fff; box-shadow:0 6px 16px -6px rgba(74,107,87,0.55); }
.btn-primary:hover{ background:var(--sage-dark); }
.btn-honey{ background:var(--honey); color:#3B2A0F; }
.btn-ghost{ background:transparent; color:var(--sage-dark); border:1.5px solid var(--line); }
.btn-ghost:hover{ border-color:var(--sage); }
.btn-block{ width:100%; }
.btn-sm{ padding:8px 14px; font-size:0.82rem; }
.btn[disabled]{ opacity:0.5; cursor:not-allowed; }

/* ---------- cards ---------- */
.card{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); margin-bottom:16px; }
.card-flat{ background:var(--sage-pale); border-radius:var(--radius); padding:16px 18px; margin-bottom:16px; }
.eyebrow{ font-family:var(--mono); font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--honey); font-weight:600; }

/* ---------- forms ---------- */
label{ display:block; font-weight:700; font-size:0.85rem; color:var(--sage-dark); margin:14px 0 6px; }
label:first-child{ margin-top:0; }
input[type=text], input[type=email], input[type=password], input[type=tel],
input[type=date], input[type=time], input[type=number], select, textarea{
  width:100%; padding:12px 14px; border-radius:var(--radius-sm); border:1.5px solid var(--line);
  font-family:var(--body); font-size:0.95rem; background:#FDFEFC; color:var(--ink);
}
textarea{ min-height:80px; resize:vertical; }
input:focus, select:focus, textarea:focus{ border-color:var(--sage); }
.field-hint{ font-size:0.78rem; color:var(--ink-soft); margin-top:4px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
fieldset{ border:none; padding:0; margin:0; }

/* segmented severity picker */
.severity-picker{ display:flex; gap:8px; margin-top:4px; }
.severity-picker input{ display:none; }
.severity-picker label{
  flex:1; margin:0; text-align:center; padding:10px 4px; border-radius:var(--radius-sm);
  background:#FDFEFC; border:1.5px solid var(--line); font-weight:700; font-size:0.8rem;
  color:var(--ink-soft); cursor:pointer;
}
.severity-picker input:checked + label{ background:var(--sage); border-color:var(--sage); color:#fff; }

/* trigger chips */
.chip-grid{ display:flex; flex-wrap:wrap; gap:8px; margin-top:4px; }
.chip{ position:relative; }
.chip input{ position:absolute; opacity:0; }
.chip span{
  display:inline-block; padding:8px 14px; border-radius:999px; border:1.5px solid var(--line);
  font-size:0.82rem; font-weight:700; color:var(--ink-soft); background:#FDFEFC; cursor:pointer;
}
.chip input:checked + span{ background:var(--clay); border-color:var(--clay); color:#fff; }

/* range slider */
input[type=range]{ width:100%; accent-color:var(--sage); }

/* ---------- hero ---------- */
.hero{ display:flex; flex-direction:column; gap:26px; align-items:center; text-align:center; padding:24px 0 10px; }
.hero-copy p{ max-width:46ch; margin-inline:auto; }
.hero-actions{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; }
@media (min-width:760px){
  .hero{ flex-direction:row; text-align:left; align-items:center; gap:44px; }
  .hero-copy p{ margin-inline:0; }
  .hero-actions{ justify-content:flex-start; }
}

/* ---------- pillars ---------- */
.pillars{ display:grid; gap:14px; grid-template-columns:1fr; margin:28px 0; }
@media (min-width:640px){ .pillars{ grid-template-columns:1fr 1fr; } }
.pillar{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px; }
.pillar .num{ font-family:var(--mono); color:var(--honey); font-size:0.78rem; font-weight:600; }
.pillar h3{ margin:6px 0 4px; }
.pillar p{ font-size:0.88rem; margin:0; }
.factor-list{ list-style:none; margin:10px 0 0; padding:0; display:flex; flex-wrap:wrap; gap:6px; }
.factor-list li{ font-size:0.72rem; font-weight:700; color:var(--sage-dark); background:var(--sage-pale); padding:4px 9px; border-radius:999px; }

/* ---------- dashboard ---------- */
.streak-banner{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.streak-num{ font-family:var(--display); font-size:2.2rem; color:var(--sage-dark); line-height:1; }
.stat-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:10px; text-align:center; margin-top:14px; }
.stat-grid .stat-val{ font-family:var(--display); font-size:1.4rem; color:var(--sage-dark); }
.stat-grid .stat-lbl{ font-size:0.68rem; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.04em; font-weight:700; }

.entry-row{ display:flex; justify-content:space-between; align-items:center; padding:10px 0; border-bottom:1px solid var(--line); font-size:0.88rem; }
.entry-row:last-child{ border-bottom:none; }
.entry-date{ font-weight:700; color:var(--sage-dark); width:64px; flex-shrink:0; }
.entry-meta{ color:var(--ink-soft); font-size:0.8rem; flex:1; }
.severity-dot{ display:inline-block; width:9px; height:9px; border-radius:50%; margin-right:5px; }
.sev-0{ background:#B9CDB6; } .sev-1{ background:var(--honey); } .sev-2{ background:#D98A4E; } .sev-3{ background:var(--clay); }

/* ---------- table ---------- */
table.plain{ width:100%; border-collapse:collapse; font-size:0.85rem; }
table.plain th{ text-align:left; font-family:var(--mono); font-size:0.68rem; text-transform:uppercase; letter-spacing:0.04em; color:var(--ink-soft); padding:8px 6px; border-bottom:2px solid var(--line); }
table.plain td{ padding:9px 6px; border-bottom:1px solid var(--line); }

/* ---------- photos ---------- */
.photo-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); gap:12px; }
.photo-card{ border-radius:var(--radius-sm); overflow:hidden; border:1px solid var(--line); background:var(--card); }
.photo-card img{ aspect-ratio:1; object-fit:cover; width:100%; }
.photo-card .cap{ padding:8px 10px; font-size:0.72rem; color:var(--ink-soft); }

/* ---------- assistant chat ---------- */
.chat-log{ display:flex; flex-direction:column; gap:10px; margin-bottom:14px; min-height:200px; }
.bubble{ max-width:82%; padding:11px 15px; border-radius:16px; font-size:0.9rem; line-height:1.45; }
.bubble.user{ align-self:flex-end; background:var(--sage); color:#fff; border-bottom-right-radius:4px; }
.bubble.assistant{ align-self:flex-start; background:var(--sage-pale); color:var(--ink); border-bottom-left-radius:4px; }
.chat-form{ display:flex; gap:8px; position:sticky; bottom:70px; }
@media (min-width:860px){ .chat-form{ position:static; } }
.chat-form input{ flex:1; }

/* ---------- skin circle svg ---------- */
.skincircle-wrap{ display:flex; flex-direction:column; align-items:center; gap:10px; }
.skincircle-caption{ font-size:0.75rem; color:var(--ink-soft); text-align:center; max-width:26ch; }

/* ---------- misc ---------- */
.center{ text-align:center; }
.muted{ color:var(--ink-soft); font-size:0.85rem; }
.divider{ border:none; border-top:1px solid var(--line); margin:22px 0; }
.section-head{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:8px; }
.link-inline{ color:var(--sage-dark); font-weight:700; text-decoration:underline; text-underline-offset:2px; }
.empty-state{ text-align:center; padding:34px 18px; color:var(--ink-soft); }
.badge{ display:inline-block; font-family:var(--mono); font-size:0.68rem; background:var(--sage-pale); color:var(--sage-dark); padding:3px 8px; border-radius:6px; font-weight:600; }