/* ══════════════════════════════════════════════════════════════════
   FitnessPortal · Light default, dark toggle
   Light mode: warm white + sage green (gender-neutral, health-forward)
   Dark mode:  warm charcoal + sage green
   ══════════════════════════════════════════════════════════════════ */

/* ── LIGHT MODE (default) ── */
:root {
  --bg:          #f5f3f0;
  --bg-deep:     #ece9e4;
  --bg-elev:     #ffffff;
  --card:        #ffffff;
  --card-alt:    #f5f3f0;
  --border:      #e2ddd8;
  --border-soft: #ece9e4;
  --hairline:    rgba(0,0,0,0.06);

  /* Sage green — calm, health-forward, gender-neutral */
  --accent:      #4e8c6a;
  --accent-dim:  #3d7558;
  --accent-soft: rgba(78,140,106,0.1);
  --accent-glow: rgba(78,140,106,0.22);
  --accent-ink:  #ffffff;
  --accent-deep: #2d5c42;

  --good:        #4e8c6a;
  --good-soft:   rgba(78,140,106,0.1);
  --amber:       #b07d2e;
  --amber-soft:  rgba(176,125,46,0.1);
  --blue:        #3d78b8;
  --blue-soft:   rgba(61,120,184,0.1);
  --red:         #b84040;
  --red-soft:    rgba(184,64,64,0.1);
  --success:     var(--good);

  --text:        #1c1917;
  --text-mid:    #6b6560;
  --text-dim:    #a89f98;

  --font-sans:    "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", system-ui, sans-serif;
  --font-num:     "SF Pro Rounded", "SF Pro Display", "Inter", system-ui, sans-serif;

  --r-sm: 10px; --r-md: 14px; --r-lg: 18px; --r-xl: 22px; --r-pill: 999px;
  --nav-h: 68px;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.05), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-hi:   0 4px 24px rgba(0,0,0,0.1), 0 1px 4px rgba(0,0,0,0.06);

  /* Themeable values used in hardcoded rules below */
  --body-glow-top:    rgba(78,140,106,0.06);
  --body-glow-bottom: #ece9e4;
  --auth-aurora-1:    rgba(78,140,106,0.1);
  --auth-aurora-2:    rgba(61,120,184,0.07);
  --nav-bg:           rgba(255,255,255,0.88);
  --logo-gradient-end: #3d5a48;
  --h1-gradient-end:   #4a4540;
  --logo-icon-end:     var(--accent-deep);
}

/* ── DARK MODE ── */
:root[data-theme="dark"] {
  --bg:          #141210;
  --bg-deep:     #0f0e0c;
  --bg-elev:     #1e1c18;
  --card:        #1e1c18;
  --card-alt:    #252320;
  --border:      #302e2a;
  --border-soft: #272522;
  --hairline:    rgba(255,255,255,0.06);

  --accent:      #5fad84;
  --accent-dim:  #4e9470;
  --accent-soft: rgba(95,173,132,0.12);
  --accent-glow: rgba(95,173,132,0.3);
  --accent-ink:  #0f1410;
  --accent-deep: #3d7558;

  --good:        #5fad84;
  --good-soft:   rgba(95,173,132,0.12);
  --amber:       #d4943a;
  --amber-soft:  rgba(212,148,58,0.12);
  --blue:        #5a9fd4;
  --blue-soft:   rgba(90,159,212,0.12);
  --red:         #d46060;
  --red-soft:    rgba(212,96,96,0.12);

  --text:        #f0ede8;
  --text-mid:    #9e988f;
  --text-dim:    #5a5550;

  --shadow-card: 0 1px 0 rgba(255,255,255,0.03) inset, 0 6px 18px -6px rgba(0,0,0,0.5);
  --shadow-hi:   0 1px 0 rgba(255,255,255,0.04) inset, 0 16px 40px -10px rgba(0,0,0,0.7);

  --body-glow-top:    rgba(95,173,132,0.07);
  --body-glow-bottom: #0c0b09;
  --auth-aurora-1:    rgba(95,173,132,0.12);
  --auth-aurora-2:    rgba(90,159,212,0.15);
  --nav-bg:           rgba(20,18,16,0.88);
  --logo-gradient-end: #5fad84;
  --h1-gradient-end:   #c8c0b4;
  --logo-icon-end:     var(--accent-dim);
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  text-size-adjust: 100%;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100dvh;
  line-height: 1.5;
  letter-spacing: -0.005em;
  /* warm top glow + deep bottom — creates ambient depth */
  background-image:
    radial-gradient(120% 70% at 50% -10%, var(--body-glow-top), transparent 60%),
    radial-gradient(80% 50% at 50% 110%, var(--body-glow-bottom), transparent 70%);
  background-attachment: fixed;
}

/* global number styling */
.num, .card-value, .friend-stat-value, .ring-center-value, .log-field-value {
  font-family: var(--font-num);
  font-feature-settings: "tnum" 1, "ss01" 1;
  letter-spacing: -0.02em;
}

/* ── Screens ── */
.screen { display: none; }
.screen.active { display: block; }

.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
}

.page-wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 18px calc(var(--nav-h) + 24px);
}

/* ══════════════════════════════════════════════════════════════════
   AUTH — login.html
   ══════════════════════════════════════════════════════════════════ */
#authScreen {
  min-height: 100dvh;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 18px;
  position: relative;
}
#authScreen.active { display: flex; }

#authScreen::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 40% at 50% 18%, var(--auth-aurora-1), transparent 70%),
    radial-gradient(40% 30% at 85% 60%, var(--auth-aurora-2), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
#authScreen > * { position: relative; z-index: 1; }

.auth-logo { margin-bottom: 28px; text-align: center; }
.auth-logo-mark {
  width: 68px; height: 68px; border-radius: 22px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--logo-icon-end) 100%);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px; font-size: 2rem;
  box-shadow:
    0 0 0 1px oklch(1 0 0 / 0.12) inset,
    0 10px 30px -8px var(--accent-glow),
    0 2px 0 oklch(1 0 0 / 0.2) inset;
  position: relative;
}
.auth-logo-mark::after {
  content: "";
  position: absolute; inset: 2px;
  border-radius: 20px;
  background: linear-gradient(180deg, oklch(1 0 0 / 0.18), transparent 40%);
  pointer-events: none;
}
.auth-logo h1 {
  font-size: 1.75rem; font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, var(--text), var(--h1-gradient-end));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.auth-logo p { color: var(--text-mid); font-size: 0.925rem; margin-top: 6px; }

.auth-card {
  width: 100%; max-width: 400px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-hi);
}
.auth-tabs {
  display: flex;
  padding: 6px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
}
.auth-tab {
  flex: 1; padding: 11px 14px;
  background: none; border: none;
  color: var(--text-mid);
  font-size: 0.925rem; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border-radius: 10px;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s;
}
.auth-tab.active {
  color: var(--text);
  background: var(--card);
  box-shadow: 0 1px 0 oklch(1 0 0 / 0.05) inset, 0 2px 6px -2px oklch(0 0 0 / 0.3);
}
.auth-form { display: none; padding: 24px; }
.auth-form.active { display: block; }

/* ══════════════════════════════════════════════════════════════════
   FORMS (shared)
   ══════════════════════════════════════════════════════════════════ */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-mid);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.form-input, .form-select, textarea.form-input {
  width: 100%;
  padding: 14px 16px;
  min-height: 48px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
.form-input:hover, .form-select:hover { border-color: var(--border); background: var(--card-alt); }
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--card);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.form-input::placeholder { color: var(--text-dim); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.form-select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1.5l5 5 5-5' stroke='%2394a3b8' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ══════════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 15px 20px;
  min-height: 52px;
  border-radius: var(--r-md);
  border: none;
  font-size: 0.975rem; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.2s, background 0.2s, border-color 0.2s, opacity 0.15s;
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.005em;
}
.btn:active { transform: scale(0.975); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  color: var(--accent-ink);
  width: 100%;
  box-shadow:
    0 1px 0 oklch(1 0 0 / 0.2) inset,
    0 -1px 0 oklch(0 0 0 / 0.12) inset,
    0 10px 24px -8px var(--accent-glow);
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.04); }

.btn-secondary {
  background: var(--card-alt);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--text-dim); background: var(--card); }

.btn-ghost {
  background: none; color: var(--text-mid);
  padding: 10px; font-size: 0.9rem;
  min-height: auto;
}
.btn-ghost:hover { color: var(--text); }

/* ══════════════════════════════════════════════════════════════════
   MESSAGES
   ══════════════════════════════════════════════════════════════════ */
.auth-msg {
  min-height: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--r-sm);
  padding: 0;
  margin-top: 10px;
}
.auth-msg.error {
  color: var(--red);
  background: var(--red-soft);
  padding: 11px 13px;
  border: 1px solid oklch(0.70 0.18 25 / 0.22);
}
.auth-msg.success {
  color: var(--good);
  background: var(--good-soft);
  padding: 11px 13px;
  border: 1px solid oklch(0.80 0.16 150 / 0.22);
}

/* ══════════════════════════════════════════════════════════════════
   SPINNERS
   ══════════════════════════════════════════════════════════════════ */
.loading-spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid oklch(0.17 0.012 60 / 0.3);
  border-top-color: var(--accent-ink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.loading-spinner-lg {
  display: inline-block; width: 44px; height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════════════════════
   CARDS
   ══════════════════════════════════════════════════════════════════ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--shadow-card);
}
.card + .card { margin-top: 12px; }
.card-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.card-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.card-unit {
  font-size: 0.9rem;
  color: var(--text-mid);
  font-weight: 500;
  margin-left: 4px;
}

/* ══════════════════════════════════════════════════════════════════
   PAGE HEADER
   ══════════════════════════════════════════════════════════════════ */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 20px 18px 0;
  margin-bottom: 18px;
  gap: 12px;
}
.page-title {
  font-size: 1.625rem;
  font-weight: 800;
  letter-spacing: -0.028em;
  line-height: 1.15;
}
.page-subtitle {
  font-size: 0.9rem;
  color: var(--text-mid);
  margin-top: 4px;
}

/* ══════════════════════════════════════════════════════════════════
   BOTTOM NAV
   ══════════════════════════════════════════════════════════════════ */
#appNav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: calc(var(--nav-h) + env(safe-area-inset-bottom, 0px));
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 1px solid var(--border-soft);
  display: flex;
  z-index: 100;
  padding: 0 6px env(safe-area-inset-bottom, 0px);
}
.nav-item {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 4px;
  border-radius: var(--r-sm);
  transition: color 0.18s;
  cursor: pointer;
  border: none; background: none;
  font-family: inherit;
  position: relative;
}
.nav-item svg {
  width: 24px; height: 24px;
  stroke-width: 1.8;
  transition: transform 0.2s, stroke-width 0.2s;
}
.nav-item.active {
  color: var(--accent);
}
.nav-item.active svg { stroke-width: 2.2; transform: translateY(-1px); }
.nav-item.active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}
.nav-item:hover:not(.active) { color: var(--text-mid); }

/* ══════════════════════════════════════════════════════════════════
   HOME — Log CTA + logged-today card
   ══════════════════════════════════════════════════════════════════ */
.log-cta {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 28px 20px;
  border: 1px dashed var(--border);
  background:
    radial-gradient(120% 80% at 50% 0%, var(--accent-soft), transparent 70%),
    var(--card);
  border-radius: var(--r-lg);
  margin-bottom: 14px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s, transform 0.12s, box-shadow 0.2s;
  color: var(--text);
  width: 100%;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}
.log-cta:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 10px 32px -12px var(--accent-glow);
}
.log-cta:active { transform: translateY(0) scale(0.99); }
.log-cta svg {
  width: 40px; height: 40px;
  margin-bottom: 12px;
  color: var(--accent);
  stroke-width: 1.8;
  filter: drop-shadow(0 4px 12px var(--accent-glow));
}
.log-cta-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.log-cta-sub {
  font-size: 0.825rem;
  color: var(--text-mid);
  margin-top: 6px;
  letter-spacing: 0.01em;
}

.logged-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.logged-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--good-soft), transparent 50%);
  pointer-events: none;
}
.logged-card > * { position: relative; }
.logged-card-check {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--good);
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.005em;
}
.logged-card-values {
  font-size: 0.925rem;
  color: var(--text-mid);
}

/* ══════════════════════════════════════════════════════════════════
   FRIEND CARDS
   ══════════════════════════════════════════════════════════════════ */
.friend-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, transform 0.1s;
}
.friend-card:hover { border-color: var(--text-dim); }
.friend-card:active { transform: scale(0.995); }

.friend-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.friend-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, oklch(0.76 0.12 240), oklch(0.72 0.14 285));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem; color: white;
  flex-shrink: 0;
  box-shadow:
    0 0 0 2px var(--card),
    0 0 0 3px oklch(0.76 0.12 240 / 0.3),
    0 4px 10px -3px oklch(0 0 0 / 0.4);
}
/* rotating avatar hues so cards feel friendly & varied */
.friend-card:nth-child(3n+2) .friend-avatar {
  background: linear-gradient(135deg, oklch(0.78 0.165 40), oklch(0.72 0.18 25));
  box-shadow:
    0 0 0 2px var(--card),
    0 0 0 3px oklch(0.78 0.165 40 / 0.3),
    0 4px 10px -3px oklch(0 0 0 / 0.4);
}
.friend-card:nth-child(3n+3) .friend-avatar {
  background: linear-gradient(135deg, oklch(0.80 0.16 150), oklch(0.74 0.14 170));
  box-shadow:
    0 0 0 2px var(--card),
    0 0 0 3px oklch(0.80 0.16 150 / 0.3),
    0 4px 10px -3px oklch(0 0 0 / 0.4);
}

.friend-name {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.friend-sub {
  font-size: 0.78rem;
  color: var(--text-mid);
  margin-top: 2px;
}

.friend-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}
.friend-stat-label {
  font-size: 0.68rem;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.friend-stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  margin-top: 4px;
  letter-spacing: -0.02em;
}

/* ══════════════════════════════════════════════════════════════════
   SETUP
   ══════════════════════════════════════════════════════════════════ */
.setup-header {
  text-align: center;
  padding: 40px 20px 0;
  margin-bottom: 28px;
}
.setup-header h2 {
  font-size: 1.625rem;
  font-weight: 800;
  letter-spacing: -0.028em;
  margin-top: 4px;
}
.setup-header p {
  color: var(--text-mid);
  margin-top: 8px;
  font-size: 0.95rem;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}
.setup-step {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  background: var(--accent-soft);
  border-radius: var(--r-pill);
  margin-bottom: 10px;
}

/* ── Theme toggle ── */
.theme-toggle-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 6px 10px;
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  transition: background 0.15s, border-color 0.15s;
}
.theme-toggle-btn:hover { border-color: var(--text-dim); }

.setup-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  padding-left: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.setup-section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-soft);
}

.activity-options { display: flex; flex-direction: column; gap: 10px; }
.activity-option { display: none; }
.activity-option + label {
  display: flex; flex-direction: column;
  padding: 14px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  min-height: 60px;
  justify-content: center;
}
.activity-option + label:hover { border-color: var(--text-dim); }
.activity-option + label:active { transform: scale(0.99); }
.activity-option:checked + label {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.activity-option-name {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.activity-option-desc {
  font-size: 0.82rem;
  color: var(--text-mid);
  margin-top: 3px;
}

.radio-pair { display: flex; gap: 10px; }
.radio-label {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  gap: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  min-height: 52px;
  cursor: pointer;
  font-weight: 600;
  transition: border-color 0.15s, background 0.15s;
}
.radio-label:hover { border-color: var(--text-dim); }
.radio-label:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}
.radio-label input {
  accent-color: var(--accent);
  width: 16px; height: 16px;
}

/* ══════════════════════════════════════════════════════════════════
   UTILITIES
   ══════════════════════════════════════════════════════════════════ */
.text-accent { color: var(--accent); }
.text-success { color: var(--good); }
.text-amber   { color: var(--amber); }
.text-blue    { color: var(--blue); }
.text-mid     { color: var(--text-mid); }
.text-sm      { font-size: 0.875rem; }
.mt-4 { margin-top: 16px; }
.mt-2 { margin-top: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-2 { margin-bottom: 8px; }
.text-center { text-align: center; }
.divider { height: 1px; background: var(--border-soft); margin: 18px 0; }

.link-btn {
  background: none; border: none;
  color: var(--blue);
  font-size: 0.9rem; font-weight: 500;
  cursor: pointer; text-decoration: none;
  padding: 6px 2px;
  font-family: inherit;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.link-btn:hover { border-bottom-color: var(--blue); }

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 22px 0 10px;
  display: flex; align-items: center; justify-content: space-between;
}

/* ══════════════════════════════════════════════════════════════════
   MOOD selector
   ══════════════════════════════════════════════════════════════════ */
.mood-selector { display: flex; gap: 8px; }
.mood-option { display: none; }
.mood-label {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 12px 4px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
  font-size: 1.6rem;
  min-height: 68px;
}
.mood-label:hover { transform: translateY(-1px); border-color: var(--text-dim); }
.mood-label:active { transform: scale(0.96); }
.mood-label span {
  font-size: 0.6rem;
  color: var(--text-mid);
  margin-top: 5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.mood-option:checked + .mood-label {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 20px -8px var(--accent-glow);
}
.mood-option:checked + .mood-label span { color: var(--accent); }

/* ══════════════════════════════════════════════════════════════════
   NET CALORIES pill
   ══════════════════════════════════════════════════════════════════ */
.net-cals {
  font-size: 0.875rem;
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-weight: 700;
  display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
}
.net-cals::before {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px currentColor;
  opacity: 0.2;
}
.net-cals.under { color: var(--good);  background: var(--good-soft);  border-color: oklch(0.80 0.16 150 / 0.22); }
.net-cals.over  { color: var(--amber); background: var(--amber-soft); border-color: oklch(0.82 0.14 78  / 0.22); }
.net-cals.even  { color: var(--blue);  background: var(--blue-soft);  border-color: oklch(0.76 0.12 240 / 0.22); }

/* ══════════════════════════════════════════════════════════════════
   REVIEW OVERLAY (slide up sheet)
   ══════════════════════════════════════════════════════════════════ */
.review-overlay {
  position: fixed; inset: 0;
  background: oklch(0 0 0 / 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex; align-items: flex-end; justify-content: center;
  padding: 0;
  animation: fadeIn 0.2s ease;
}
.review-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 24px 24px 0 0;
  width: 100%;
  max-width: 480px;
  padding: 12px 22px 28px;
  max-height: 85dvh;
  overflow-y: auto;
  box-shadow: 0 -20px 60px -10px oklch(0 0 0 / 0.5);
  animation: slideUp 0.28s cubic-bezier(0.2, 0.85, 0.3, 1);
  position: relative;
}
.review-card::before {
  content: "";
  display: block;
  width: 36px; height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 4px auto 14px;
}
@keyframes fadeIn { from { opacity: 0; } }
@keyframes slideUp { from { transform: translateY(100%); } }

.review-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.review-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-soft);
  gap: 16px;
}
.review-row:last-child { border-bottom: none; }
.review-label { font-size: 0.9rem; color: var(--text-mid); font-weight: 500; }
.review-value {
  font-size: 0.975rem;
  font-weight: 700;
  text-align: right;
  letter-spacing: -0.01em;
  font-family: var(--font-num);
  font-feature-settings: "tnum" 1;
}
.review-actions { display: flex; gap: 10px; margin-top: 22px; }
.review-actions .btn { flex: 1; }

/* ══════════════════════════════════════════════════════════════════
   SETTINGS
   ══════════════════════════════════════════════════════════════════ */
.settings-section { margin-bottom: 32px; }
.settings-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  padding-left: 4px;
}
.settings-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 8px;
  gap: 12px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  min-height: 62px;
}
.settings-row:hover { border-color: var(--text-dim); background: var(--card-alt); }
.settings-row-info { flex: 1; }
.settings-row-label {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.settings-row-value {
  font-size: 0.825rem;
  color: var(--text-mid);
  margin-top: 3px;
}
.settings-chevron {
  color: var(--text-dim);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
}

.friend-req-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 18px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-card);
}
.friend-req-actions { display: flex; gap: 10px; margin-top: 12px; }
.friend-req-actions .btn {
  flex: 1;
  padding: 10px 14px;
  min-height: 42px;
  font-size: 0.875rem;
  border-radius: var(--r-sm);
}
.btn-accept {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  box-shadow: 0 0 0 1px oklch(1 0 0 / 0.1) inset;
}
.btn-decline {
  background: transparent;
  color: var(--text-mid);
  border: 1px solid var(--border);
  font-weight: 600;
}
.btn-decline:hover { color: var(--text); border-color: var(--text-dim); }

/* ══════════════════════════════════════════════════════════════════
   HISTORY
   ══════════════════════════════════════════════════════════════════ */
.history-tabs {
  display: flex;
  padding: 4px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 18px;
  gap: 2px;
}
.history-tab {
  flex: 1;
  padding: 10px 12px;
  background: none;
  border: none;
  color: var(--text-mid);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.18s, background 0.18s;
  border-radius: var(--r-sm);
  font-family: inherit;
  min-height: 40px;
}
.history-tab:hover:not(.active) { color: var(--text); }
.history-tab.active {
  color: var(--text);
  background: var(--card);
  box-shadow: 0 1px 0 oklch(1 0 0 / 0.05) inset, 0 2px 6px -2px oklch(0 0 0 / 0.3);
}
.history-tab-panel { display: none; }
.history-tab-panel.active { display: block; }

.log-accordion {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color 0.15s, box-shadow 0.2s;
}
.log-accordion.open {
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}
.log-accordion-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px;
  cursor: pointer;
  gap: 12px;
  min-height: 62px;
}
.log-accordion-header:hover { background: var(--card-alt); }
.log-accordion-date {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.log-accordion-summary {
  font-size: 0.82rem;
  color: var(--text-mid);
  margin-top: 3px;
}
.log-accordion-chevron {
  color: var(--text-dim);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  width: 20px; height: 20px;
}
.log-accordion.open .log-accordion-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}
.log-accordion-body {
  display: none;
  padding: 4px 18px 18px;
  border-top: 1px solid var(--border-soft);
}
.log-accordion.open .log-accordion-body { display: block; }
.log-fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding-top: 14px;
}
.log-field-label {
  font-size: 0.65rem;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.log-field-value {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 3px;
  letter-spacing: -0.015em;
}

/* ══════════════════════════════════════════════════════════════════
   PROGRESS placeholders
   ══════════════════════════════════════════════════════════════════ */
.progress-placeholder {
  text-align: center;
  padding: 48px 22px;
  color: var(--text-mid);
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
}
.progress-placeholder-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
  opacity: 0.85;
}
.progress-placeholder-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.progress-placeholder-sub {
  font-size: 0.875rem;
  max-width: 280px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════════════
   NEW — additive classes (no JS renames needed)
   ══════════════════════════════════════════════════════════════════ */

/* Greeting header with pulse indicator */
.greeting-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 3px var(--good-soft);
  vertical-align: middle;
  margin-right: 6px;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* Header calorie chip */
.cal-chip {
  display: inline-flex; align-items: baseline; gap: 4px;
  padding: 6px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
  font-family: var(--font-num);
}
.cal-chip-unit { color: var(--text-mid); font-size: 0.72rem; font-weight: 600; }
.cal-chip-label {
  display: block;
  font-size: 0.65rem;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 4px;
  text-align: right;
}

/* Progress rings (SVG-based — drop-in) */
.ring-wrap {
  position: relative;
  display: inline-flex;
  align-items: center; justify-content: center;
}
.ring-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none;
}
.ring-center-value {
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}
.ring-center-label {
  font-size: 0.62rem;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-top: 4px;
}
.ring-track { stroke: var(--border); }
.ring-arc {
  transition: stroke-dashoffset 0.8s cubic-bezier(0.2, 0.85, 0.3, 1);
  transform-origin: center;
  transform: rotate(-90deg);
}
.ring-arc-coral   { stroke: var(--accent); filter: drop-shadow(0 0 6px var(--accent-glow)); }
.ring-arc-green   { stroke: var(--good);   filter: drop-shadow(0 0 6px oklch(0.80 0.16 150 / 0.4)); }
.ring-arc-blue    { stroke: var(--blue);   filter: drop-shadow(0 0 6px oklch(0.76 0.12 240 / 0.4)); }
.ring-arc-amber   { stroke: var(--amber);  filter: drop-shadow(0 0 6px oklch(0.82 0.14 78  / 0.4)); }

/* Hero progress card on home / progress */
.hero-ring-card {
  background:
    radial-gradient(100% 100% at 50% 0%, var(--accent-soft), transparent 60%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 22px;
  display: flex;
  gap: 20px;
  align-items: center;
  box-shadow: var(--shadow-card);
  margin-bottom: 14px;
}
.hero-ring-card .ring-wrap { flex-shrink: 0; }
.hero-ring-info { flex: 1; min-width: 0; }
.hero-ring-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.hero-ring-big {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.028em;
  line-height: 1.1;
  font-family: var(--font-num);
}
.hero-ring-sub {
  font-size: 0.875rem;
  color: var(--text-mid);
  margin-top: 4px;
}

/* Triple-ring Apple-Health style card */
.triple-ring-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 20px;
  box-shadow: var(--shadow-card);
  margin-bottom: 14px;
}
.triple-ring-row {
  display: flex; align-items: center; gap: 20px;
}
.triple-ring-legend {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.triple-ring-leg {
  display: flex; align-items: center; gap: 10px;
}
.triple-ring-swatch {
  width: 10px; height: 10px; border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
  flex-shrink: 0;
}
.triple-ring-leg-label {
  font-size: 0.72rem;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.triple-ring-leg-value {
  font-size: 1.05rem;
  font-weight: 800;
  font-family: var(--font-num);
  letter-spacing: -0.015em;
}

/* 2x2 stat grid with ring thumbnails */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}
.stat-grid > .card {
  padding: 16px;
}

/* Compare row — side-by-side you vs friend */
.compare-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-card);
}
.compare-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
}
.compare-vs {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.compare-metric-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 12px 0;
  gap: 14px;
  border-bottom: 1px solid var(--border-soft);
}
.compare-metric-row:last-child { border-bottom: none; }
.compare-metric-name {
  grid-column: 1 / -1;
  font-size: 0.7rem;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 2px;
}
.compare-bar-you, .compare-bar-them {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-num);
  font-weight: 800;
  letter-spacing: -0.015em;
}
.compare-bar-you  { color: var(--accent); justify-content: flex-start; }
.compare-bar-them { color: var(--text);   justify-content: flex-end; }
.compare-bar-track {
  flex: 1; height: 6px;
  background: var(--bg-elev);
  border-radius: var(--r-pill);
  overflow: hidden;
  min-width: 40px;
}
.compare-bar-fill { height: 100%; border-radius: inherit; transition: width 0.6s ease; }
.compare-bar-fill-you  { background: linear-gradient(90deg, var(--accent-dim), var(--accent)); }
.compare-bar-fill-them { background: linear-gradient(90deg, var(--blue), oklch(0.76 0.12 240 / 0.7)); }

/* Challenge banner */
.challenge-banner {
  position: relative;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background:
    linear-gradient(135deg, oklch(0.76 0.12 240 / 0.15), oklch(0.72 0.14 285 / 0.15));
  border: 1px solid oklch(0.76 0.12 240 / 0.3);
  border-radius: var(--r-md);
  margin-bottom: 14px;
}
.challenge-banner-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), oklch(0.72 0.14 285));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px -4px oklch(0.76 0.12 240 / 0.5);
}
.challenge-banner-text { flex: 1; min-width: 0; }
.challenge-banner-title {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.challenge-banner-sub {
  font-size: 0.78rem;
  color: var(--text-mid);
  margin-top: 1px;
}

/* Streak badge */
.streak-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px solid oklch(0.82 0.14 78 / 0.22);
  border-radius: var(--r-pill);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: -0.005em;
}

/* Updating badge (log page) */
.updating-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid oklch(0.82 0.14 78 / 0.22);
  padding: 5px 12px;
  border-radius: var(--r-pill);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Water droplets visualization */
.water-viz {
  display: flex; align-items: center; gap: 4px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.water-drop {
  width: 18px; height: 22px;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: background 0.2s, border-color 0.2s;
}
.water-drop.filled {
  background: linear-gradient(180deg, oklch(0.80 0.11 230), oklch(0.66 0.14 245));
  border-color: oklch(0.76 0.12 240 / 0.4);
  box-shadow: 0 0 8px oklch(0.76 0.12 240 / 0.4), inset 0 2px 3px oklch(1 0 0 / 0.3);
}

/* Empty friends state */
.empty-state {
  text-align: center;
  padding: 36px 24px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
}
.empty-state-emoji {
  font-size: 2.25rem;
  margin-bottom: 10px;
  display: block;
}
.empty-state-title {
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.empty-state-sub {
  font-size: 0.875rem;
  color: var(--text-mid);
  margin-bottom: 16px;
  max-width: 260px;
  margin-left: auto;
  margin-right: auto;
}

/* Helper label next to cal field */
#calorieGoalHint {
  font-weight: 500 !important;
  text-transform: none !important;
  letter-spacing: 0 !important;
  margin-left: 6px !important;
  color: var(--blue) !important;
  font-size: 0.78rem;
}

/* Input trailing unit (wraps input + label tightly) */
.input-unit {
  position: relative;
  display: flex;
  align-items: center;
}
.input-unit-suffix {
  position: absolute;
  right: 16px;
  color: var(--text-mid);
  font-size: 0.875rem;
  font-weight: 600;
  pointer-events: none;
}

/* Tabular numerals globally for metrics */
input[type="number"] {
  font-feature-settings: "tnum" 1;
  font-family: var(--font-num);
  letter-spacing: -0.005em;
}

/* Safe area bottom padding helper */
.safe-bottom {
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
}

/* Subtle hover lift on tappable cards */
@media (hover: hover) {
  .friend-card, .log-accordion, .settings-row, .compare-card, .log-cta {
    transition: border-color 0.2s, transform 0.15s, box-shadow 0.25s;
  }
}

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