/* ================================================================
   whoopfree dashboard — design system v2
   Inspired by WHOOP's signature dark + vibrant ring aesthetic.
   ================================================================ */

:root {
  /* ─── Surfaces ─────────────────────────────────── */
  --bg:           #07070A;          /* true-black canvas */
  --surface-1:    #0F0F14;          /* primary card */
  --surface-2:    #16161D;          /* nested / elevated */
  --surface-3:    #1E1E27;          /* hover / inputs */
  --surface-glow: #20202B;
  --border:       rgba(255,255,255,0.06);
  --border-hi:    rgba(255,255,255,0.12);
  --hairline:     rgba(255,255,255,0.04);

  /* ─── Text ─────────────────────────────────────── */
  --text:         #FFFFFF;
  --text-2:       #E2E2E8;
  --text-muted:   #8B8B95;
  --text-faint:   #51515B;

  /* ─── Metric palette (Whoop-faithful) ──────────── */
  --recovery:     #16EC06;
  --recovery-2:   #0AA803;
  --recovery-glow: rgba(22,236,6,0.35);

  --strain:       #03B5F3;
  --strain-2:     #007BB2;
  --strain-glow:  rgba(3,181,243,0.35);

  --sleep:        #4D7CFF;
  --sleep-2:      #3460D9;
  --sleep-glow:   rgba(77,124,255,0.32);

  --warn:         #FFB020;
  --bad:          #FF4757;
  --good:         var(--recovery);
  --mid:          var(--warn);

  /* legacy aliases */
  --rec-good:     var(--recovery);
  --rec-mid:      var(--warn);
  --rec-bad:      var(--bad);
  --fg:           var(--text);
  --fg-2:         var(--text-2);
  --muted:        var(--text-muted);
  --card-bg:      var(--surface-1);
  --card-bg2:     var(--surface-2);

  /* Stage colors */
  --stage-wake:   #FF4757;
  --stage-light:  #03B5F3;
  --stage-deep:   #2547D4;
  --stage-rem:    #B95CFF;

  /* Zones */
  --zone-1: #1E88E5;
  --zone-2: #00BCD4;
  --zone-3: #16EC06;
  --zone-4: #FFB020;
  --zone-5: #FF4757;

  /* ─── Typography ───────────────────────────────── */
  --font:         'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-display: 'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono:    ui-monospace, 'JetBrains Mono', SFMono-Regular, Menlo, monospace;

  /* ─── Geometry ─────────────────────────────────── */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius:    18px;
  --radius-lg: 28px;
  --gutter:    20px;
  --sidebar-w: 240px;
  --topbar-h:  64px;

  /* iOS safe areas (notch / Dynamic Island / home indicator) */
  --sa-top:    env(safe-area-inset-top, 0px);
  --sa-bottom: env(safe-area-inset-bottom, 0px);
  --sa-left:   env(safe-area-inset-left, 0px);
  --sa-right:  env(safe-area-inset-right, 0px);
}

/* ───────────────────────────────────────────────── */
/* Reset & base                                       */
/* ───────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(3,181,243,0.06), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(22,236,6,0.04), transparent 60%),
    var(--bg);
}

::selection { background: var(--strain); color: white; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--surface-glow); }

/* Typography utilities */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}
h1 { font-size: 32px; line-height: 1.1; }
h2 { font-size: 20px; line-height: 1.2; }
h3 { font-size: 16px; line-height: 1.3; font-weight: 600; }
p  { margin: 0; }

/* Pill labels (eyebrows) */
.eyebrow, .card-eyebrow {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ───────────────────────────────────────────────── */
/* Sidebar                                            */
/* ───────────────────────────────────────────────── */

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, #0A0A0E 0%, #07070A 100%);
  border-right: 1px solid var(--hairline);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  z-index: var(--z-nav);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 18px 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: conic-gradient(from 180deg, var(--recovery), var(--strain), var(--sleep), var(--recovery));
  position: relative;
  flex: 0 0 28px;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 6px;
  background: var(--surface-1);
  border-radius: 4px;
}
.brand .brand-accent {
  background: linear-gradient(135deg, var(--recovery), var(--strain));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Tabs in sidebar */
.tabs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0;
}
.tab {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--text-muted);
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.tab:hover { background: var(--surface-2); color: var(--text); }
.tab.active {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
  box-shadow: inset 0 1px 0 var(--hairline);
}
.tab-icon {
  width: 18px; height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
  flex-shrink: 0;
}
.tab-icon svg { width: 18px; height: 18px; stroke: currentColor; }

/* Device dock — collapsed by default-ish */
#mvp-panel {
  margin-top: auto;
  padding: 14px;
  border-radius: 16px;
  background: linear-gradient(180deg, var(--surface-1) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
}
#mvp-panel strong { font-weight: 700; }
#mvp-panel button {
  appearance: none;
  background: var(--surface-3);
  color: var(--text);
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  padding: 6px 10px;
  font: 600 11px/1 var(--font);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 120ms, border-color 120ms;
}
#mvp-panel button:hover { background: var(--surface-glow); border-color: rgba(255,255,255,0.18); }
#mvp-panel button:disabled { opacity: 0.4; cursor: not-allowed; }
#mvp-connect {
  background: linear-gradient(180deg, var(--recovery) 0%, var(--recovery-2) 100%) !important;
  color: #000 !important;
  font-weight: 800 !important;
  border: none !important;
  padding: 10px 14px !important;
  font-size: 12px !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase !important;
  box-shadow: 0 0 0 1px rgba(22,236,6,0.4), 0 8px 24px -8px var(--recovery-glow) !important;
}

.settings-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  padding: 8px 12px;
  font: 500 12px/1 var(--font);
  text-align: left;
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  margin-top: 8px;
}
.settings-btn:hover { color: var(--text); border-color: var(--border-hi); }

.status-line {
  font-size: 10px;
  color: var(--text-faint);
  text-align: center;
  padding-top: 8px;
  border-top: 1px solid var(--hairline);
  margin-top: 4px;
  word-break: break-word;
}

/* ───────────────────────────────────────────────── */
/* Main / Top bar                                     */
/* ───────────────────────────────────────────────── */

main.content {
  padding: 0 32px 80px 32px;
  min-width: 0;
}

.top-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0;
  background: linear-gradient(180deg, var(--bg) 60%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
}
.top-bar-left, .top-bar-right { display: flex; align-items: center; gap: 14px; }

.date-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.date-pill .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--recovery);
  box-shadow: 0 0 8px var(--recovery-glow);
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.icon-btn {
  appearance: none;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 40px; height: 40px;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms, color 120ms;
  position: relative;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn .badge-count {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--bad);
  color: white;
  font-size: 10px;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 12px 4px 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-1);
  cursor: pointer;
  transition: border-color 120ms, background 120ms;
}
.user-profile:hover { background: var(--surface-2); border-color: var(--border-hi); }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--recovery), var(--strain));
  color: var(--bg);
  font-weight: 800;
  font-size: 11px;
  display: inline-flex; align-items: center; justify-content: center;
}
.user-info { display: flex; flex-direction: column; line-height: 1.2; }
.user-name { font-size: 12px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 4px; }
.user-name .chevron { color: var(--text-muted); font-size: 9px; }
.user-email { font-size: 10px; color: var(--text-muted); }

/* ───────────────────────────────────────────────── */
/* Tab panels                                         */
/* ───────────────────────────────────────────────── */

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-header {
  padding: 12px 0 24px 0;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}
.panel-header h1 { font-size: 36px; }
.panel-subtitle { color: var(--text-muted); font-size: 14px; margin-top: 6px; }
.panel-date {
  color: var(--text-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.welcome-text {
  background: linear-gradient(135deg, #FFFFFF, #B5B5BD);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.controls { display: flex; gap: 8px; }
.controls select, .controls input {
  appearance: none;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  font: 600 12px var(--font);
  border-radius: 10px;
  cursor: pointer;
}
.controls select:hover { border-color: var(--border-hi); }

/* ───────────────────────────────────────────────── */
/* Cards                                              */
/* ───────────────────────────────────────────────── */

.card {
  background: linear-gradient(180deg, var(--surface-1) 0%, #0B0B10 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
}
.card::before {
  /* subtle top-edge highlight */
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--hairline), transparent);
  pointer-events: none;
}
.card .card-eyebrow { margin-bottom: 14px; display: block; }
.card .big-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-variant-numeric: tabular-nums;
}
.card .big-num .unit {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0;
}
.card .muted { color: var(--text-muted); font-size: 12px; margin-top: 4px; }

/* Hero ring cards — Whoop-style */
.card-hero {
  padding: 32px 24px 28px 24px;
  text-align: center;
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(255,255,255,0.04), transparent 70%),
    linear-gradient(180deg, var(--surface-1) 0%, #08080C 100%);
}

/* ───────────────────────────────────────────────── */
/* Grids                                              */
/* ───────────────────────────────────────────────── */

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gutter);
}
.grid > .span-2 { grid-column: span 2; }
.grid > .span-3 { grid-column: span 3; }
.grid > .span-4 { grid-column: span 4; }

@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid > .span-3, .grid > .span-4 { grid-column: span 2; }
}

/* ───────────────────────────────────────────────── */
/* Mobile: iPhone PWA layout                          */
/* ───────────────────────────────────────────────── */

@media (max-width: 720px) {
  body {
    grid-template-columns: 1fr;
    /* Respect iOS safe-areas (notch on left in landscape, home indicator) */
    padding-left:  var(--sa-left);
    padding-right: var(--sa-right);
  }
  .sidebar { display: none; }

  main.content {
    padding: 12px 14px calc(80px + var(--sa-bottom)) 14px; /* leave room for bottom nav */
  }

  /* Make topbar compact + respect status-bar inset */
  .top-bar {
    height: auto;
    min-height: 52px;
    padding-top: var(--sa-top);
    margin-bottom: 6px;
  }
  .user-profile .user-info { display: none; }
  .user-profile { padding: 4px; }
  .date-pill { padding: 6px 10px; font-size: 11px; }

  /* Panel header: smaller hero, no right-aligned date hugging */
  .panel-header { padding: 8px 0 16px 0; flex-direction: column; align-items: flex-start; gap: 10px; }
  .panel-header h1 { font-size: 26px; }
  .panel-subtitle { font-size: 13px; }
  .panel-date { font-size: 11px; }

  /* All grids collapse to one column on phone */
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .grid > .span-2, .grid > .span-3, .grid > .span-4 { grid-column: span 1; }

  /* Hero ring trio stacks; ring smaller */
  .hero-ring-row { grid-template-columns: 1fr; gap: 12px; }
  .ring-wrap { width: 180px; height: 180px; }
  .ring-wrap.big { width: 220px; height: 220px; }
  .ring-value .num { font-size: 56px; }
  .ring-value .num.big { font-size: 72px; }
  .ring-value .num .unit { font-size: 22px; }

  /* Cards: tighter padding */
  .card { padding: 16px 16px; }
  .card .card-eyebrow { margin-bottom: 10px; }
  .card .big-num { font-size: 28px; }
  h1 { font-size: 24px; }
  h2 { font-size: 18px; }

  /* Live HR card: stack the now-grid below the bpm again */
  .now-tile { grid-template-columns: 1fr !important; gap: 12px !important; }
  .now-hr { font-size: 44px !important; }
  .now-grid { grid-template-columns: 1fr 1fr; }

  /* Plan illustration smaller */
  #plan-zone { width: 44px !important; height: 44px !important; }

  /* Charts shorter */
  .chart-wrap { height: 160px; }
  .chart-wrap.tall { height: 200px; }

  /* Settings drawer takes full width on mobile */
  .drawer { width: 100vw; max-width: 100vw; padding: 24px 20px calc(24px + var(--sa-bottom)) 20px; }

  /* Reveal mobile bottom nav */
  .mobile-nav { display: flex !important; }
}

/* Mobile bottom navigation — hidden on desktop, visible on phone */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: calc(64px + var(--sa-bottom));
  padding-bottom: var(--sa-bottom);
  background: rgba(10, 10, 14, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 1px solid var(--border);
  justify-content: space-around;
  align-items: stretch;
  z-index: 50;
}
.mobile-nav .mtab {
  flex: 1;
  appearance: none;
  background: transparent;
  border: none;
  color: var(--text-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  font: 600 9px var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 0;
  transition: color 120ms;
}
.mobile-nav .mtab svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.mobile-nav .mtab.active { color: var(--recovery); }
.mobile-nav .mtab:active { transform: scale(0.92); }

/* ───────────────────────────────────────────────── */
/* Hero rings (Whoop-style)                            */
/* ───────────────────────────────────────────────── */

.hero-ring-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}
@media (max-width: 880px) {
  .hero-ring-row { grid-template-columns: 1fr; }
}

.ring-card {
  padding: 28px 24px 24px 24px;
  text-align: center;
  background:
    radial-gradient(70% 60% at 50% 10%, rgba(255,255,255,0.05), transparent 70%),
    linear-gradient(180deg, var(--surface-1) 0%, #08080C 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.ring-card .ring-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.ring-card.recovery .ring-eyebrow { color: var(--recovery); }
.ring-card.strain   .ring-eyebrow { color: var(--strain); }
.ring-card.sleep    .ring-eyebrow { color: var(--sleep); }

.ring-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 14px auto 8px auto;
}
.ring-wrap.big {
  width: 300px; height: 300px;
}
.ring-wrap svg {
  width: 100%; height: 100%;
  overflow: visible;
}

.ring-value {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.ring-value .num {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 200;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.ring-value .num .unit {
  font-size: 28px;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 2px;
  letter-spacing: 0;
}
.ring-value .num.big {
  font-size: 96px;
}
.ring-value .sub {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 6px;
}

.ring-card .ring-foot {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-variant-numeric: tabular-nums;
}
.ring-card .ring-foot strong { color: var(--text); font-weight: 600; }

/* Sparkline — fixed-height wrapper prevents Chart.js (responsive +
   maintainAspectRatio:false) from feedback-looping with the card's content
   height and growing the canvas to tens of thousands of pixels. */
.ring-card .spark-wrap {
  position: relative;
  width: 100%;
  height: 36px;
  margin-top: 14px;
}
.ring-card canvas.spark {
  display: block;
}

/* ───────────────────────────────────────────────── */
/* "Now" Live tile                                    */
/* ───────────────────────────────────────────────── */

.now-tile {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
}
.now-hr {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 200;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.now-hr .unit { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.heart-pulse {
  display: inline-flex;
  align-items: center;
  margin-left: 10px;
  color: var(--bad);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50%      { transform: scale(1.18); opacity: 1; }
}
.now-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}
.now-grid > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 4px;
}
.now-grid .lbl {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.now-grid span:last-child {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* ───────────────────────────────────────────────── */
/* Plan / Insights / Workouts                         */
/* ───────────────────────────────────────────────── */

.plan-card {
  background:
    radial-gradient(80% 100% at 100% 0%, rgba(22,236,6,0.08), transparent 60%),
    linear-gradient(180deg, var(--surface-1) 0%, #08080C 100%);
}
.plan-illust {
  font-size: 36px; line-height: 1;
  margin-bottom: 6px;
  filter: drop-shadow(0 0 24px rgba(255,255,255,0.1));
}
#plan-zone {
  font-family: var(--font-display);
  font-size: 28px !important;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 2px 0 !important;
}
#plan-label {
  font-size: 14px !important;
  font-weight: 600;
  color: var(--text-2) !important;
  margin-bottom: 8px !important;
}
#plan-message {
  font-size: 12px !important;
  color: var(--text-muted) !important;
  line-height: 1.6 !important;
}
#plan-target {
  font-size: 11px !important;
  color: var(--text-faint) !important;
  margin-top: 10px !important;
  padding-top: 8px;
  border-top: 1px solid var(--hairline);
}

.workout-list { display: flex; flex-direction: column; gap: 8px; }
.workout-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
}
.workout-row .wo-time {
  font-size: 11px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.workout-row .wo-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.workout-row .wo-strain {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 300;
  color: var(--strain);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* Insights */
.insight {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 12px;
}
.insight .ins-icon {
  width: 28px; height: 28px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.insight.warn  .ins-icon { background: rgba(255,176,32,0.14); color: var(--warn); }
.insight.info  .ins-icon { background: rgba(3,181,243,0.14); color: var(--strain); }
.insight.critical .ins-icon { background: rgba(255,71,87,0.14); color: var(--bad); }
.insight .ins-icon svg { width: 16px; height: 16px; }
.insight .ins-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.insight .ins-body { color: var(--text-muted); line-height: 1.55; }

/* Empty states */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 28px 12px;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
}
.empty-state svg {
  width: 72px; height: 72px;
  opacity: 0.4;
}

/* ───────────────────────────────────────────────── */
/* Charts container                                   */
/* ───────────────────────────────────────────────── */

.chart-wrap {
  position: relative;
  width: 100%;
  height: 200px;
}
.chart-wrap.tall { height: 280px; }
.chart-wrap canvas { width: 100% !important; height: 100% !important; }

/* Hypnogram */
.hypnogram-wrap {
  width: 100%;
  height: 220px;
}
.hypnogram-wrap svg { width: 100%; height: 100%; }
.legend {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--text-muted);
}
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.swatch {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 3px;
}

/* Stage bars (Sleep tab) */
.stage-bars { display: flex; flex-direction: column; gap: 10px; }
.stage-bars .row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 12px;
  align-items: center;
  font-size: 12px;
}
.stage-bars .lbl { color: var(--text-muted); font-weight: 600; letter-spacing: 0.04em; }
.stage-bars .v { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.stage-bars .barwrap {
  height: 8px;
  background: var(--surface-3);
  border-radius: 999px;
  overflow: hidden;
}
.stage-bars .bar {
  height: 100%;
  border-radius: inherit;
  box-shadow: 0 0 12px currentColor;
}

/* Component bars (Recovery tab) */
.components { display: flex; flex-direction: column; gap: 12px; }
.component-row {
  display: grid;
  grid-template-columns: 90px 1fr 40px;
  gap: 12px;
  align-items: center;
  font-size: 12px;
}
.component-row .name { color: var(--text-muted); font-weight: 500; }
.component-row .val { color: var(--text); font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.component-row .barwrap {
  height: 8px;
  background: var(--surface-3);
  border-radius: 999px;
  overflow: hidden;
}
.component-row .bar {
  height: 100%;
  border-radius: inherit;
}

/* Zones row (Strain tab) */
.zones-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.zone-cell {
  text-align: center;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 10px 4px;
  border: 1px solid var(--border);
}
.zone-cell .zlbl { font-size: 10px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.04em; }
.zone-cell .zval {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: var(--text);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.donut-wrap { display: flex; justify-content: center; }
.donut-wrap svg { width: 180px; height: 180px; }

/* ───────────────────────────────────────────────── */
/* Tables                                             */
/* ───────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
table th, table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
}
table th {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: var(--surface-2);
  position: sticky;
  top: 0;
}
table tr:hover td { background: rgba(255,255,255,0.02); }
table td { color: var(--text-2); }

/* Calendar heatmap */
.cal-cell { transition: transform 120ms; }
.cal-cell:hover { transform: scale(1.18); z-index: 2; position: relative; }
@media (max-width: 720px) {
  #recovery-cal-grid { grid-template-columns: repeat(10, 1fr) !important; }
}

/* Journal tags */
.journal-tag {
  appearance: none;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 6px 12px;
  font: 600 11px var(--font);
  cursor: pointer;
  transition: all 120ms;
}
.journal-tag:hover { border-color: var(--border-hi); color: var(--text); }
.journal-tag.active {
  background: rgba(22,236,6,0.12);
  border-color: var(--recovery);
  color: var(--recovery);
}
#journal-text {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  font: 13px/1.5 var(--font);
  resize: vertical;
  min-height: 70px;
}
#journal-text:focus { outline: none; border-color: var(--border-hi); }
#journal-date {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 6px 10px;
  font: 12px var(--font);
  color-scheme: dark;
}
#journal-save {
  appearance: none;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  padding: 8px 16px;
  font: 700 12px var(--font);
  cursor: pointer;
}
#journal-save:hover { opacity: 0.9; }

/* ───────────────────────────────────────────────── */
/* Modals                                             */
/* ───────────────────────────────────────────────── */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  max-width: 540px;
  width: 92%;
}
.modal-card h2 { margin-bottom: 12px; }

/* ───────────────────────────────────────────────── */
/* Settings drawer (right slide-out)                  */
/* ───────────────────────────────────────────────── */

.backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 90;
  display: none;
}
.backdrop.open { display: block; }

.drawer {
  position: fixed;
  top: 0; right: 0;
  width: 420px;
  max-width: 92vw;
  height: 100vh;
  background: linear-gradient(180deg, var(--surface-1) 0%, #0A0A0E 100%);
  border-left: 1px solid var(--border);
  padding: 28px 32px;
  z-index: 100;
  display: none;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 240ms ease;
  box-shadow: -16px 0 48px rgba(0,0,0,0.5);
}
.drawer.open { display: flex; transform: translateX(0); }

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}
.drawer-head h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}
.close-btn {
  appearance: none;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 36px; height: 36px;
  font-size: 20px;
  font-weight: 400;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.close-btn:hover { color: var(--text); border-color: var(--border-hi); }

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.settings-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.settings-form input, .settings-form select {
  appearance: none;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  font-variant-numeric: tabular-nums;
}
.settings-form input:focus, .settings-form select:focus {
  outline: none;
  border-color: var(--strain);
  box-shadow: 0 0 0 3px rgba(3,181,243,0.18);
}
.settings-form .primary {
  appearance: none;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
  transition: opacity 120ms;
}
.settings-form .primary:hover { opacity: 0.85; }
.settings-form .hint {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: normal;
  letter-spacing: 0;
  text-transform: none;
}

.drawer hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}
.drawer .actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.drawer .actions button {
  appearance: none;
  background: var(--surface-3);
  border: 1px solid var(--border-hi);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  font: 600 12px var(--font);
  cursor: pointer;
}
.drawer .actions button:hover { background: var(--surface-glow); }
.drawer .actions .hint { font-size: 11px; color: var(--text-muted); }

/* Live tab — Device events log + Session stats */
.row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
}
.row:last-child { border-bottom: none; }
.row .k { color: var(--text-muted); font-weight: 500; }
.row .v { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

.ev {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 12px;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}
.ev:last-child { border-bottom: none; }
.ev .kind {
  display: inline-block;
  padding: 2px 8px;
  background: var(--surface-3);
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Misc */
.muted { color: var(--text-muted); }
.big-num { font-family: var(--font-display); }
.unit { font-size: 0.5em; color: var(--text-muted); font-weight: 600; margin-left: 4px; }

/* Hide some clutter in the BT panel when disconnected */
#mvp-panel #mvp-spo2, #mvp-panel #mvp-temp, #mvp-panel #mvp-rr,
#mvp-panel #mvp-hr {
  font-variant-numeric: tabular-nums;
}
#mvp-panel details > summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-muted);
}
#mvp-panel details > summary:hover { color: var(--text); }
#mvp-panel details > summary::-webkit-details-marker { display: none; }
#mvp-panel details[open] > summary::before { content: "▾ "; }
#mvp-panel details:not([open]) > summary::before { content: "▸ "; }

/* Make export buttons compact + outline-only */
#mvp-panel button[id^="mvp-export"], #mvp-panel #mvp-import, #mvp-panel #mvp-reset {
  background: transparent !important;
  color: var(--text-muted) !important;
  border: 1px solid var(--border) !important;
  padding: 4px 8px !important;
  font-size: 10px !important;
  letter-spacing: 0;
}
#mvp-panel button[id^="mvp-export"]:hover, #mvp-panel #mvp-import:hover, #mvp-panel #mvp-reset:hover {
  color: var(--text) !important;
  border-color: var(--border-hi) !important;
}