/* TrkFit V4 — css/app.css — Dashboard */

/* ── App shell layout ─────────────────────────────────────────── */
body.app-body {
  background: var(--c-bg);
  padding-top: var(--nav-h);
  padding-bottom: var(--bot-nav-h);
}
@media(min-width:860px){
  body.app-body { padding-top: var(--nav-h); padding-bottom: 0; }
}

.app-wrap {
  display: block;
  min-height: calc(100dvh - var(--nav-h));
}

/* ── Top navbar (app variant) ─────────────────────────────────── */
.app-navbar {
  position: fixed; top:0; left:0; right:0;
  height: var(--nav-h);
  z-index: var(--z-nav);
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center;
  padding: 0 clamp(10px,2.5vw,24px);
  gap: var(--sp-2);
  box-shadow: var(--sh-xs);
  /* prevent overflow */
  overflow: hidden;
}
.app-navbar-logo {
  display:flex; align-items:center; gap:8px;
  font-family:var(--font-head); font-size:18px; font-weight:800;
  color:var(--c-text); flex-shrink:0;
}
.app-navbar-logo svg { width:28px; height:28px; }
/* Hide logo text on very small screens */
@media(max-width:380px){
  .nav-logo-text { display: none; }
  .app-navbar-logo { gap: 0; }
  .app-navbar-logo svg { width:26px; height:26px; }
}
.app-nav-spacer { flex:1; min-width:4px; }
.app-nav-actions { display:flex; align-items:center; gap:6px; flex-shrink:0; }

/* Mobile app-navbar: progressive hiding to prevent overflow */
@media(max-width:540px){
  .app-nav-actions .lang-toggle { display:none !important; }
}
@media(max-width:420px){
  /* Hide username text in user chip, show only avatar + badge */
  #userName { display:none; }
  .user-chip { padding:4px 8px 4px 4px; gap:4px; }
  /* Shrink logout button */
  #signOutBtn { width:28px; height:28px; font-size:13px; }
  /* Shrink theme toggle */
  #themeToggle { width:28px; height:28px; font-size:13px; }
}
.user-chip {
  display:flex; align-items:center; gap:8px;
  padding:5px 12px 5px 5px;
  border-radius:var(--r-full);
  border:1.5px solid var(--c-border);
  background:var(--c-surface2);
  cursor:pointer; transition:all var(--tr);
  font-size:var(--fs-sm); font-weight:700; color:var(--c-text);
}
.user-chip:hover { border-color:var(--c-accent); }
.plan-badge {
  font-size:9px; font-weight:800; text-transform:uppercase;
  background:var(--c-accent-lt); color:var(--c-accent-dk);
  border:1px solid var(--c-accent-md);
  padding:2px 6px; border-radius:var(--r-full);
}
.plan-badge.pro { background:var(--c-blue-lt); color:var(--c-blue); border-color:rgba(0,114,255,.2); }

/* ── Sidebar ──────────────────────────────────────────────────── */
.sidebar {
  display: none;
  position: fixed;
  top: var(--nav-h); left:0;
  width: var(--sidebar-w);
  height: calc(100dvh - var(--nav-h));
  background: var(--c-surface);
  border-right: 1px solid var(--c-border);
  padding: var(--sp-4) var(--sp-3);
  overflow-y: auto;
  z-index: var(--z-sticky);
  flex-direction: column;
  gap: var(--sp-1);
}
@media(min-width:860px){ 
  .sidebar { display:flex; }
  .mobile-menu-btn { display:none !important; }
}
/* Mobile sidebar overlay */
.sidebar.mobile-open {
  display:flex;
  position:fixed;
  top:var(--nav-h); right:0; left:auto;
  width:260px;
  height:calc(100dvh - var(--nav-h));
  background:var(--c-surface);
  z-index:9999;
  box-shadow:-4px 0 20px rgba(0,0,0,0.1);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

/* Mobile Menu Animated Button */
.mobile-menu-btn {
  width: 40px; height: 40px;
  background: var(--c-surface2);
  border: 1.5px solid var(--c-border);
  border-radius: 12px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: all var(--tr);
  margin-left: 6px;
  padding: 0;
  position: relative;
}
.mobile-menu-btn:hover, .mobile-menu-btn.is-open {
  border-color: var(--c-accent);
}
.mobile-menu-btn span {
  display: block;
  width: 20px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}
.mobile-menu-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.is-open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* User Chip alignment fix */
.user-chip { height: 40px; box-sizing: border-box; }
.app-nav-actions .theme-toggle { height: 40px; width: 40px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; }

/* Wider sidebar on large displays */
@media(min-width:1200px){
  .sidebar { width: var(--sidebar-w-lg, 260px); }
}

.sidebar-nav-item {
  display:flex; align-items:center; gap:10px;
  padding:10px 12px;
  border-radius:var(--r-sm);
  font-size:var(--fs-base); font-weight:600;
  color:var(--c-text2);
  cursor:pointer; transition:all var(--tr);
  border:none; background:none; width:100%; text-align:left;
}
.sidebar-nav-item:hover { background:var(--c-surface2); color:var(--c-text); }
.sidebar-nav-item.active {
  background:var(--c-accent-lt);
  color:var(--c-accent-dk);
  font-weight:700;
}
.sidebar-nav-item .ico { font-size:18px; width:24px; text-align:center; }
.sidebar-divider { height:1px; background:var(--c-border); margin:var(--sp-2) 0; }

/* ── Main content ─────────────────────────────────────────────── */
.app-main {
  padding: var(--sp-5) clamp(12px,4vw,24px);
  padding-bottom: calc(var(--bot-nav-h) + 24px);
  min-height: calc(100dvh - var(--nav-h));
}
@media(min-width:860px){
  .app-main {
    margin-left: var(--sidebar-w);
    padding-bottom: var(--sp-8);
  }
}
@media(min-width:1200px){
  .app-main {
    margin-left: var(--sidebar-w-lg, 260px);
  }
}
/* Cap content width on ultra-wide screens */
@media(min-width:1400px){
  .app-main { max-width: calc(100vw - var(--sidebar-w-lg, 260px)); }
}

/* ── Section titles ───────────────────────────────────────────── */
@keyframes sectionFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dash-section {
  display: none;
  will-change: transform, opacity;
}
.dash-section.active { 
  display: block; 
  animation: sectionFadeIn 0.28s cubic-bezier(0.34, 1.4, 0.64, 1) forwards;
}

.dash-title {
  font-family:var(--font-head);
  font-size: clamp(20px,3vw,26px);
  font-weight:800; color:var(--c-text);
  margin-bottom: var(--sp-5);
  display:flex; align-items:center; gap:var(--sp-3);
}

/* ── Today stats row ──────────────────────────────────────────── */
.today-stats {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 12px;
  margin-bottom: var(--sp-5);
}
@media(min-width:480px){ .today-stats { grid-template-columns: repeat(4,1fr); } }

.today-card {
  background: var(--c-surface);
  border:1px solid var(--c-border);
  border-radius: var(--r);
  padding: var(--sp-4) var(--sp-3);
  position: relative; overflow:hidden;
  cursor: pointer; transition: all var(--tr-md);
}
.today-card:hover { border-color:var(--c-accent); transform:translateY(-2px); box-shadow:var(--sh-sm); }
.today-card::before {
  content:''; position:absolute; top:0;left:0;right:0; height:3px;
  background:var(--grad-accent);
}
.today-card.water::before { background:var(--grad-blue); }
.today-card.protein::before { background:var(--grad-warm); }
.today-card.weight::before { background:var(--grad-purple); }

.tc-ico  { font-size:20px; margin-bottom:6px; }
.tc-val  { font-family:var(--font-head); font-size:22px; font-weight:800; color:var(--c-text); line-height:1; }
.tc-unit { font-size:11px; color:var(--c-text3); font-weight:600; }
.tc-label{ font-size:11px; color:var(--c-text3); font-weight:600; margin-top:2px; text-transform:uppercase; letter-spacing:.4px; }
.tc-bar  { margin-top:8px; height:4px; background:var(--c-border); border-radius:var(--r-full); overflow:hidden; }
.tc-fill { height:100%; border-radius:var(--r-full); background:var(--grad-accent); transition:width var(--tr-slow); }
.today-card.water .tc-fill  { background:var(--grad-blue); }
.today-card.protein .tc-fill{ background:var(--grad-warm); }
.today-card.weight .tc-fill { background:var(--grad-purple); }

/* ── Week selector ────────────────────────────────────────────── */
.week-selector {
  display:grid; grid-template-columns:repeat(7,1fr);
  gap:6px; margin-bottom:var(--sp-5);
  overflow-x:auto; padding-bottom:4px;
  scrollbar-width:none;
}
.week-selector::-webkit-scrollbar { display:none; }

.week-day {
  border:1.5px solid var(--c-border);
  border-radius:10px; padding:8px 4px;
  text-align:center; cursor:pointer;
  transition:all var(--tr-md); background:var(--c-surface);
  min-width:38px;
}
.week-day:hover { border-color:var(--c-accent); background:var(--c-accent-lt); }
.week-day.has-data .wd-dot { background:var(--c-accent); }
.week-day.today { border-color:var(--c-accent); background:rgba(0,201,110,.06); }
.week-day.selected { border-color:var(--c-accent); background:var(--c-accent); }
.week-day.selected .wd-name,.week-day.selected .wd-num { color:#fff; }

.wd-name { font-size:9px; font-weight:700; text-transform:uppercase; color:var(--c-text3); }
.wd-num  { font-family:var(--font-head); font-size:15px; font-weight:700; color:var(--c-text); margin:2px 0; }
.wd-dot  { width:5px; height:5px; border-radius:50%; background:var(--c-border2); margin:0 auto; }

/* ── Food log ─────────────────────────────────────────────────── */
.food-log-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:var(--sp-3);
}
.food-log-title { font-family:var(--font-head); font-size:16px; font-weight:700; color:var(--c-text); }

.food-item {
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:var(--sp-3);
  padding:12px var(--sp-4);
  border-radius:var(--r-sm);
  border:1px solid var(--c-border);
  background:var(--c-surface);
  margin-bottom:8px;
  transition:all var(--tr);
}
.food-item:hover { border-color:rgba(0,201,110,.3); box-shadow:var(--sh-xs); }
.food-name { font-size:var(--fs-base); font-weight:600; color:var(--c-text); }
.food-meta { font-size:var(--fs-xs); color:var(--c-text3); margin-top:2px; }
.food-kcal { font-family:var(--font-head); font-size:15px; font-weight:700; color:var(--c-accent); white-space:nowrap; }
.food-del  { width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--c-text4);font-size:13px;transition:all var(--tr);margin-left:4px; }
.food-del:hover { background:var(--c-red-lt);color:var(--c-red); }

/* ── Water glasses ────────────────────────────────────────────── */
.water-glasses {
  display:flex; flex-wrap:wrap; gap:10px;
  margin-bottom:var(--sp-4);
}
.glass-btn {
  display:flex; flex-direction:column; align-items:center; gap:4px;
  padding:10px 12px;
  border-radius:var(--r-sm);
  border:1.5px solid var(--c-border);
  background:var(--c-surface);
  font-size:22px; cursor:pointer;
  transition:all var(--tr-md);
}
.glass-btn.filled {
  border-color:var(--c-blue);
  background:var(--c-blue-lt);
}
.glass-btn:hover { transform:scale(1.06); }
.glass-label { font-size:9px; font-weight:700; color:var(--c-text3); text-transform:uppercase; }

/* ── Quick-add chips ──────────────────────────────────────────── */
.quick-chips {
  display:flex; flex-wrap:wrap; gap:8px;
  margin-bottom:var(--sp-4);
}
.quick-chip {
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 14px; border-radius:var(--r-full);
  border:1.5px solid var(--c-border);
  background:var(--c-surface2);
  font-size:var(--fs-sm); font-weight:600; color:var(--c-text2);
  cursor:pointer; transition:all var(--tr);
}
.quick-chip:hover { border-color:var(--c-accent); color:var(--c-accent); background:var(--c-accent-lt); }

/* ── Bottom navigation (mobile) ───────────────────────────────── */
.bot-nav {
  display:flex;
  position:fixed; bottom:0; left:0; right:0;
  height:var(--bot-nav-h);
  background:var(--c-surface);
  border-top:1px solid var(--c-border);
  z-index:var(--z-nav);
  padding:0 4px;
  box-shadow:0 -4px 20px rgba(0,0,0,.06);
  overflow-x:auto;
  scrollbar-width:none;
}
.bot-nav::-webkit-scrollbar { display:none; }
@media(min-width:860px){ .bot-nav { display:none; } }

@media(min-width:540px){
  .bot-nav-item, .bot-nav-ai {
    order: var(--ord-t, 0) !important;
    flex: 1 0 65px !important;
  }
}

.bot-nav-item, .bot-nav-ai {
  order: var(--ord-m, 0);
}

.bot-nav-item {
  flex: 0 0 calc((100vw - 8px) / 5); display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:3px; cursor:pointer;
  font-size:9px; font-weight:700;
  text-transform:uppercase; letter-spacing:.4px;
  color:var(--c-text4);
  border-radius:var(--r-sm);
  transition:all var(--tr);
  border:none; background:none;
  padding:4px 2px;
}
.bot-nav-item .bn-ico { font-size:20px; }
.bot-nav-item:hover   { color:var(--c-text2); }
.bot-nav-item.active  { color:var(--c-accent); }

/* AI center button */
.bot-nav-ai {
  flex: 0 0 calc((100vw - 8px) / 5); display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:3px;
  cursor:pointer; position:relative;
  /* ensure it doesn't overflow bot-nav height */
  overflow: visible;
}
.bot-ai-btn {
  width:44px; height:44px;
  border-radius:50%;
  background:var(--grad-accent);
  display:flex; align-items:center; justify-content:center;
  font-size:18px;
  box-shadow:0 4px 16px rgba(0,201,110,.4);
  border:none; cursor:pointer;
  transition:all var(--tr-md);
  /* reduced from -16px to -10px to prevent sibling overlap */
  margin-top:-10px;
  position:relative; z-index:1;
}
.bot-ai-btn:hover { transform:scale(1.1); }

.ai-panel {
  position:fixed;
  bottom: var(--bot-nav-h); left:0; right:0;
  height: calc(100dvh - var(--nav-h) - var(--bot-nav-h));
  /* CRITICAL: pointer-events:none when closed prevents blocking bottom nav */
  z-index:var(--z-ai);
  background:var(--c-surface);
  border-top:1px solid var(--c-border);
  display:flex; flex-direction:column;
  transform:translateY(calc(100% + var(--bot-nav-h)));
  transition:transform var(--tr-md);
  pointer-events: none;
}
@media(min-width:860px){
  .ai-panel {
    position:fixed;
    right:0; left:auto; bottom:0;
    width:380px; height:calc(100dvh - var(--nav-h));
    border-left:1px solid var(--c-border);
    border-top:none;
    transform:translateX(100%);
  }
}
.ai-panel.open {
  transform:translate(0,0);
  pointer-events: all;
}

.ai-hdr {
  display:flex; align-items:center; gap:10px;
  padding:14px 16px;
  border-bottom:1px solid var(--c-border);
  flex-shrink:0;
}
.ai-hdr-title { font-family:var(--font-head); font-size:16px; font-weight:800; color:var(--c-text); }
.ai-online { display:flex; align-items:center; gap:5px; font-size:11px; color:var(--c-accent); font-weight:700; }
.ai-online::before { content:''; width:7px;height:7px;border-radius:50%;background:var(--c-accent);animation:pulseDot 2s infinite; }
.ai-close { margin-left:auto; width:30px;height:30px;border-radius:50%;background:var(--c-surface2);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--c-text3);transition:all var(--tr); }
.ai-close:hover { background:var(--c-red-lt);color:var(--c-red); }

.ai-messages {
  flex:1; overflow-y:auto; padding:14px 14px 8px;
  display:flex; flex-direction:column; gap:10px;
  scrollbar-width:thin;
}
.ai-msg {
  max-width:85%; padding:10px 14px;
  border-radius:14px; font-size:13px; line-height:1.6;
}
.ai-msg.bot { background:var(--c-surface2); border:1px solid var(--c-border); color:var(--c-text2); align-self:flex-start; border-radius:4px 14px 14px 14px; }
.ai-msg.user { background:var(--grad-accent); color:#fff; align-self:flex-end; border-radius:14px 14px 4px 14px; }
.ai-msg.thinking { opacity:.7; }
.ai-dots { display:flex;gap:4px;padding:8px 0; }
.ai-dots span { width:6px;height:6px;border-radius:50%;background:var(--c-text3);animation:pulse 1.2s infinite; }
.ai-dots span:nth-child(2){animation-delay:.2s;}
.ai-dots span:nth-child(3){animation-delay:.4s;}

.ai-suggestions {
  display:flex; flex-wrap:wrap; gap:6px;
  padding:8px 14px;
}
.ai-sugg-chip {
  padding:5px 12px; border-radius:var(--r-full);
  border:1px solid var(--c-border); background:var(--c-surface2);
  font-size:11px; font-weight:600; color:var(--c-text2);
  cursor:pointer; transition:all var(--tr); white-space:nowrap;
}
.ai-sugg-chip:hover { border-color:var(--c-accent);color:var(--c-accent); }

.ai-limit-bar {
  padding:8px 14px;
  font-size:11px; color:var(--c-text3); font-weight:600;
  display:flex; align-items:center; justify-content:space-between;
}
.ai-limit-bar a { color:var(--c-accent); font-weight:700; }

.ai-input-wrap {
  display:flex; gap:8px; padding:10px 14px;
  border-top:1px solid var(--c-border); flex-shrink:0;
}
.ai-input {
  flex:1; padding:10px 14px;
  border:1.5px solid var(--c-border);
  border-radius:var(--r-full);
  background:var(--c-surface2);
  color:var(--c-text); font-size:13px;
  transition:border var(--tr);
}
.ai-input:focus { border-color:var(--c-accent); outline:none; }
.ai-send { width:38px;height:38px;border-radius:50%;background:var(--grad-accent);color:#fff;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all var(--tr-md);flex-shrink:0; }
.ai-send:hover { transform:scale(1.1); }

/* ── Mood selector ────────────────────────────────────────────── */
.mood-selector { display:flex; gap:8px; flex-wrap:wrap; }
.mood-btn {
  display:flex; flex-direction:column; align-items:center; gap:4px;
  padding:10px 14px; border-radius:var(--r-sm);
  border:1.5px solid var(--c-border); background:var(--c-surface2);
  font-size:24px; cursor:pointer; transition:all var(--tr-md);
}
.mood-btn:hover,.mood-btn.selected { border-color:var(--c-accent); background:var(--c-accent-lt); transform:scale(1.05); }
.mood-lbl { font-size:9px; font-weight:700; color:var(--c-text3); text-transform:uppercase; }

/* ── Sleep input ──────────────────────────────────────────────── */
.sleep-row { display:flex; align-items:center; gap:12px; }
.sleep-hrs { font-family:var(--font-head); font-size:48px; font-weight:800; color:var(--c-accent); }
.sleep-unit { font-size:14px; color:var(--c-text3); font-weight:600; }
.sleep-stepper { display:flex; flex-direction:column; gap:4px; }
.sleep-step { width:32px;height:32px;border-radius:var(--r-sm);border:1.5px solid var(--c-border);background:var(--c-surface2);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;cursor:pointer;transition:all var(--tr); }
.sleep-step:hover { border-color:var(--c-accent);background:var(--c-accent-lt); }

/* ── Food Scanner ─────────────────────────────────────────────── */
#food-scan-overlay {
  position: fixed; inset: 0; z-index: 9998;
  display: flex; align-items: flex-end;
}
.fs-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0);
  transition: background .3s;
}
.fs-backdrop.fs-backdrop-in { background: rgba(0,0,0,.55); }

.fs-sheet {
  position: relative; z-index: 1;
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  background: var(--c-surface);
  border-radius: 24px 24px 0 0;
  padding: 0 0 env(safe-area-inset-bottom, 0);
  max-height: 92dvh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform .32s cubic-bezier(.4,0,.2,1);
  scrollbar-width: none;
}
.fs-sheet::-webkit-scrollbar { display: none; }
.fs-sheet.fs-sheet-in { transform: translateY(0); }

@media(min-width:540px) {
  #food-scan-overlay { align-items: center; justify-content: center; }
  .fs-sheet {
    border-radius: 20px;
    max-height: 88dvh;
    max-width: 480px;
    margin: auto;
  }
}

.fs-drag-handle {
  width: 36px; height: 4px;
  background: var(--c-border2);
  border-radius: 2px;
  margin: 12px auto 0;
}

.fs-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--c-border);
}
.fs-title {
  font-family: var(--font-head);
  font-size: 18px; font-weight: 800;
  color: var(--c-text);
}
.fs-close-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--c-surface2);
  border: none; cursor: pointer;
  color: var(--c-text3);
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--tr);
}
.fs-close-btn:hover { background: var(--c-red-lt); color: var(--c-red); }

.fs-step { padding: 16px 20px 20px; }

.fs-subtitle {
  font-size: 13px; color: var(--c-text3);
  font-weight: 600; margin-bottom: 14px;
  text-align: center;
}

/* App-specific CSS */
.intl-mode .lang-toggle, .intl-mode #langToggle, .intl-mode #langToggleMob { display: none !important; }
.fs-preview-area {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 16px;
  border: 2px dashed var(--c-border2);
  background: var(--c-surface2);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  margin-bottom: 16px;
  position: relative;
  transition: border-color .2s;
}
.fs-preview-area:has(img[style*="block"]) { border-style: solid; border-color: var(--c-accent); }
.fs-preview-placeholder { text-align: center; }
.fs-preview-img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* Weight input row */
.fs-weight-row {
  background: var(--c-surface2);
  border: 1.5px solid var(--c-border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
.fs-weight-label {
  font-size: 12px; font-weight: 700;
  color: var(--c-text2);
  display: block; margin-bottom: 8px;
}
.fs-weight-inputs {
  display: flex; gap: 8px;
}
.fs-weight-field {
  flex: 1;
  padding: 8px 12px;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-surface);
  color: var(--c-text);
  font-size: 14px;
  transition: border-color var(--tr);
}
.fs-weight-field:focus { border-color: var(--c-accent); outline: none; }
.fs-weight-hint {
  font-size: 11px; color: var(--c-text4);
  margin-top: 6px; font-style: italic;
}

/* Camera / Gallery buttons */
.fs-btn-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-bottom: 12px;
}
.fs-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 10px;
  border-radius: 14px;
  border: 2px solid var(--c-border);
  background: var(--c-surface2);
  cursor: pointer; font-size: 13px; font-weight: 700;
  color: var(--c-text2);
  transition: all var(--tr-md);
}
.fs-btn span:first-child { font-size: 28px; }
.fs-btn-camera:hover { border-color: var(--c-accent); background: var(--c-accent-lt); color: var(--c-accent-dk); }
.fs-btn-gallery:hover { border-color: var(--c-blue); background: var(--c-blue-lt); color: var(--c-blue); }

.fs-btn-analyze {
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  border: none;
  background: var(--grad-accent);
  color: #fff;
  font-size: 15px; font-weight: 800;
  cursor: pointer;
  transition: all var(--tr-md);
  letter-spacing: .3px;
}
.fs-btn-analyze:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,201,110,.35); }

/* Analyzing step */
.fs-analyzing {
  display: flex; flex-direction: column;
  align-items: center; gap: 16px;
  padding: 40px 20px;
  text-align: center;
}
.fs-scan-anim {
  position: relative; width: 100px; height: 100px;
  display: flex; align-items: center; justify-content: center;
}
.fs-scan-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 3px solid var(--c-accent);
  opacity: 0;
  animation: fsScanPulse 2s ease-out infinite;
}
.fs-scan-ring-2 { animation-delay: 1s; }
@keyframes fsScanPulse {
  0%   { transform: scale(.5); opacity: .8; }
  100% { transform: scale(1.5); opacity: 0; }
}
.fs-analyzing-text {
  font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--c-text);
}
.fs-analyzing-sub { font-size: 13px; color: var(--c-text3); }

/* Results step */
.fs-result-header { margin-bottom: 12px; }
.fs-result-food-name {
  font-family: var(--font-head); font-size: 18px; font-weight: 800; color: var(--c-text);
}
.fs-result-confidence { font-size: 12px; color: var(--c-text3); font-weight: 600; margin-top: 2px; }

.fs-result-preview-wrap {
  width: 100%; height: 150px;
  border-radius: 12px; overflow: hidden;
  position: relative; margin-bottom: 12px;
}
.fs-result-preview {
  width: 100%; height: 100%; object-fit: cover;
}
.fs-result-notes {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: 11px;
  padding: 6px 10px;
}
.fs-result-notes:empty { display: none; }

.fs-edit-banner {
  background: rgba(0,201,110,.08);
  border: 1px solid var(--c-accent-md);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px; font-weight: 700;
  color: var(--c-accent-dk);
  margin-bottom: 12px;
}

.fs-edit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.fs-edit-field { display: flex; flex-direction: column; gap: 4px; }
.fs-edit-field:first-child,
.fs-edit-field:nth-child(2) { grid-column: 1 / -1; }

@media(max-width: 380px) {
  .fs-edit-grid { grid-template-columns: 1fr; }
  .fs-edit-field { grid-column: 1 / -1 !important; }
}
.fs-edit-label { font-size: 11px; font-weight: 700; color: var(--c-text3); text-transform: uppercase; letter-spacing: .3px; }
.fs-edit-input {
  padding: 9px 12px;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-surface2);
  color: var(--c-text);
  font-size: 14px; font-weight: 600;
  transition: border-color var(--tr);
}
.fs-edit-input:focus { border-color: var(--c-accent); outline: none; }
.fs-edit-input.fs-shake {
  animation: fsShake .4s ease;
  border-color: var(--c-red);
}
@keyframes fsShake {
  0%,100% { transform: translateX(0); }
  20%,60%  { transform: translateX(-6px); }
  40%,80%  { transform: translateX(6px); }
}

.fs-result-actions {
  display: flex; gap: 10px;
}
.fs-btn-primary {
  flex: 1; padding: 13px;
  border-radius: 12px; border: none;
  background: var(--grad-accent);
  color: #fff;
  font-size: 14px; font-weight: 800;
  cursor: pointer; transition: all var(--tr-md);
}
.fs-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,201,110,.3); }
.fs-btn-secondary {
  padding: 13px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--c-border);
  background: var(--c-surface2);
  color: var(--c-text2);
  font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all var(--tr);
}
.fs-btn-secondary:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* Error step */
.fs-error-ui {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; padding: 30px 10px; text-align: center;
}
.fs-error-title { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--c-text); }
.fs-error-sub { font-size: 13px; color: var(--c-text3); }

/* ── Charts Style overrides (from charts.html) ─────────────────── */
.chart-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r);padding:var(--sp-5);margin-bottom:var(--sp-4)}
.chart-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-4);flex-wrap:wrap;gap:8px}
.chart-title{font-family:var(--font-head);font-size:16px;font-weight:700;color:var(--c-text);display:flex;align-items:center;gap:8px}
.period-tabs{display:flex;gap:4px;background:var(--c-surface2);border:1px solid var(--c-border);border-radius:var(--r-full);padding:3px}
.p-tab{padding:5px 14px;border-radius:var(--r-full);font-size:12px;font-weight:700;color:var(--c-text3);cursor:pointer;transition:all var(--tr);border:none;background:none}
.p-tab.active{background:var(--c-surface);color:var(--c-text);box-shadow:var(--sh-sm)}
.chart-canvas{width:100%;height:180px;display:block}
.chart-mini{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4)}
.donut-wrap{display:flex;flex-direction:column;align-items:center;gap:6px}
.donut-canvas{width:100px;height:100px}
.insight-chip{background:var(--c-accent-lt);border:1px solid var(--c-accent-md);border-radius:var(--r-full);padding:6px 14px;font-size:12px;font-weight:700;color:var(--c-accent-dk);display:inline-flex;align-items:center;gap:6px}

/* Scrollable charts wrappers */
.chart-scroll-wrap {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--c-border) transparent;
}
.chart-scroll-wrap::-webkit-scrollbar {
  height: 4px;
}
.chart-scroll-wrap::-webkit-scrollbar-thumb {
  background-color: var(--c-border);
  border-radius: 4px;
}
.chart-inner-canvas {
  height: 220px;
  position: relative;
  width: 100%;
  transition: width 0.3s ease;
}