/* ============================================
   DRIVEN2BFIT — styles.css
   Clean light theme. Steel-blue accent (from the logo) on a slate scale.
   ============================================ */
:root {
  --bg:        #F6F8FB;   /* app background */
  --bg-2:      #FFFFFF;   /* cards / surfaces */
  --bg-3:      #EEF2F8;   /* subtle fills / inputs */
  --line:      #E6EAF1;
  --line-2:    #D5DCE8;
  --text:      #16202E;   /* charcoal */
  --text-2:    #5B6B84;
  --text-3:    #8A99B0;
  --accent:    #1E74C8;   /* logo steel-blue */
  --accent-2:  #175EA6;   /* darker blue for text-on-light */
  --primary:   #1E74C8;
  --primary-2: #175EA6;
  --green:     #16A34A;
  --danger:    #DC2626;
  --radius:    16px;
  --radius-sm: 11px;
  --shadow:    0 6px 22px rgba(23,45,82,.08);
  --shadow-sm: 0 2px 8px rgba(23,45,82,.06);
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
/* The [hidden] attribute must always win — several layout rules below set
   display:flex on .auth-layer/.app-layer/.topbar/.bottom-nav, which would
   otherwise override the browser's default [hidden]{display:none} and leak
   every screen onto the page before sign-in. */
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}
h1, h2, h3, h4 { line-height: 1.2; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
a { color: var(--accent-2); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  padding: 12px 18px; font-size: .95rem; font-weight: 600; color: var(--text);
  background: var(--bg-3); transition: transform .05s ease, background .15s ease, opacity .15s, box-shadow .15s;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .55; pointer-events: none; }
.btn.block { width: 100%; }
.btn.sm { padding: 8px 14px; font-size: .85rem; }
.btn.xs { padding: 6px 10px; font-size: .78rem; }
.btn.primary { background: var(--primary); color: #fff; box-shadow: 0 2px 10px rgba(30,116,200,.28); }
.btn.primary:hover { background: var(--accent-2); }
.btn.accent  { background: var(--accent); color: #fff; box-shadow: 0 2px 10px rgba(30,116,200,.28); }
.btn.ghost   { background: #fff; border-color: var(--line-2); color: var(--text-2); }
.btn.ghost:hover { color: var(--text); border-color: var(--text-3); }
.btn.danger  { background: var(--danger); color: #fff; }
.btn.danger.ghost { background: #fff; color: var(--danger); border-color: #f3c8c8; }
.icon-btn { background: #fff; border: 1px solid var(--line-2); color: var(--text-2); border-radius: 8px; padding: 6px 10px; font-size: .85rem; }
.icon-btn.xs { padding: 3px 8px; font-size: .8rem; }
.icon-btn.danger { color: var(--danger); border-color: #f3c8c8; }
.link-btn { background: none; border: none; color: var(--accent-2); font-size: .85rem; font-weight: 600; padding: 4px 0; }
.link { text-decoration: none; font-size: .85rem; }

/* ── Inputs ── */
.input {
  width: 100%; background: #fff; border: 1px solid var(--line-2);
  color: var(--text); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 1rem;
}
.input::placeholder { color: var(--text-3); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(30,116,200,.15); }
.input.mini { padding: 8px 10px; font-size: .9rem; width: 72px; }
.input.search { background: #fff; }
textarea.input { resize: vertical; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field-label { font-size: .8rem; color: var(--text-2); font-weight: 600; }
.field-hint { font-size: .74rem; color: var(--text-3); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: var(--text); font-size: .92rem; }
.check-row.inline { padding: 0; font-size: .85rem; color: var(--text-2); white-space: nowrap; }
.check-row input { width: 20px; height: 20px; accent-color: var(--accent); }
.form-actions { margin-top: 18px; }
.form-actions.stack { display: grid; gap: 10px; }

/* Segmented control */
.seg { display: inline-flex; background: var(--bg-3); border: 1px solid var(--line-2); border-radius: var(--radius-sm); overflow: hidden; }
.seg-btn { background: transparent; border: none; color: var(--text-2); padding: 10px 22px; font-weight: 700; }
.seg-btn.on { background: var(--accent); color: #fff; }

/* ── Auth ── */
.auth-layer { min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: calc(24px + var(--safe-top)) 20px calc(24px + var(--safe-bottom)); }
.auth-card { width: 100%; max-width: 400px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); }
.brand { text-align: center; margin-bottom: 22px; }
.brand-mark { display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-weight: 900; font-size: 1.05rem; letter-spacing: -.03em; margin-bottom: 12px; }
.brand-logo { width: 116px; height: 116px; object-fit: contain; margin-bottom: 4px; }
.topbar-logo { width: 26px; height: 26px; object-fit: contain; border-radius: 6px; }
.brand-name { font-size: 1.5rem; letter-spacing: -.02em; }
.brand-tag { color: var(--text-2); font-size: .9rem; margin-top: 4px; }
.auth-tabs { display: flex; gap: 6px; background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px; margin-bottom: 20px; }
.auth-tab { flex: 1; background: transparent; border: none; color: var(--text-2); padding: 9px; border-radius: 8px; font-weight: 600; font-size: .9rem; }
.auth-tab.on { background: #fff; color: var(--text); box-shadow: var(--shadow-sm); }
.auth-error { background: #fdecec; border: 1px solid #f5c6c6; color: #b42323; padding: 10px 12px; border-radius: 8px; font-size: .85rem; margin-bottom: 12px; }
.forgot-row { text-align: center; margin-top: 12px; }
.auth-divider { text-align: center; margin: 20px 0 16px; position: relative; color: var(--text-3); font-size: .78rem; }
.auth-divider::before, .auth-divider::after { content: ''; position: absolute; top: 50%; width: 28%; height: 1px; background: var(--line); }
.auth-divider::before { left: 0; } .auth-divider::after { right: 0; }
.sso-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.sso-btn { background: #fff; border: 1px solid var(--line-2); color: var(--text); border-radius: var(--radius-sm); padding: 11px 6px; font-size: .82rem; font-weight: 600; }
.sso-btn:hover { border-color: var(--text-3); }
.verify-copy { color: var(--text-2); font-size: .92rem; line-height: 1.5; text-align: center; margin-bottom: 18px; }

/* ── App shell ── */
.app-layer { min-height: 100dvh; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + var(--safe-top)) 16px 10px; background: rgba(246,248,251,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar-brand { display: flex; align-items: center; gap: 10px; }
.topbar-title { font-weight: 700; font-size: 1.05rem; }
.topbar-actions { display: flex; gap: 8px; }
.view-host { flex: 1; padding: 16px 16px 100px; max-width: 640px; width: 100%; margin: 0 auto; }

/* ── Bottom nav ── */
.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 30; display: flex;
  background: rgba(255,255,255,.94); backdrop-filter: blur(12px); border-top: 1px solid var(--line);
  padding-bottom: var(--safe-bottom); box-shadow: 0 -2px 16px rgba(23,45,82,.05); }
.nav-btn { flex: 1; background: none; border: none; color: var(--text-3); display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 9px 0 8px; font-size: .68rem; font-weight: 600; }
.nav-btn .nav-ico { font-size: 1.2rem; filter: grayscale(.5) opacity(.6); }
.nav-btn.on { color: var(--accent); }
.nav-btn.on .nav-ico { filter: none; }

/* ── Dashboard ── */
.dash-greeting { margin-bottom: 18px; }
.dash-hello { font-size: 1.6rem; letter-spacing: -.02em; }
.dash-sub { color: var(--text-2); margin-top: 4px; }
.dash-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.stat-tile { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 8px; text-align: center; box-shadow: var(--shadow-sm); }
.stat-tile-icon { font-size: 1.3rem; }
.stat-tile-val { font-size: 1.35rem; font-weight: 800; margin-top: 2px; }
.stat-tile-label { font-size: .72rem; color: var(--text-3); }
.dash-resume { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: linear-gradient(135deg, rgba(30,116,200,.10), rgba(30,116,200,.03)); border: 1px solid rgba(30,116,200,.28); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.dash-resume-title { font-weight: 700; }
.dash-resume-sub { color: var(--text-2); font-size: .85rem; margin-top: 2px; }
.dash-quick { margin-bottom: 20px; }
.dash-section-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); font-weight: 700; margin: 6px 0 10px; }
.dash-tmpl { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 10px; box-shadow: var(--shadow-sm); }
.dash-tmpl-name { font-weight: 700; }
.dash-tmpl-meta { color: var(--text-2); font-size: .8rem; margin-top: 2px; }
.dash-empty { text-align: center; padding: 20px; }

/* ── Setup / equipment ── */
.setup-section { margin-bottom: 26px; }
.section-title { font-size: 1.1rem; margin-bottom: 4px; }
.section-sub { color: var(--text-2); font-size: .85rem; margin-bottom: 12px; }
.equip-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 8px; }
.equip-grid.sm { grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); }
.equip-chip { background: #fff; border: 1px solid var(--line-2); color: var(--text-2); border-radius: 999px; padding: 9px 12px; font-size: .82rem; font-weight: 600; }
.equip-chip.on { background: rgba(30,116,200,.10); border-color: var(--accent); color: var(--accent-2); }

/* ── Library ── */
.lib-controls { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.lib-controls-row { display: flex; gap: 10px; align-items: center; }
.lib-controls-row .input { flex: 1; }
.lib-actions { margin-bottom: 12px; }
.lib-group { margin-bottom: 20px; }
.lib-group-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; color: var(--accent); }
.lib-group-icon { display: inline-flex; color: var(--accent); }
.lib-group-icon .body-svg { width: 18px; height: 38px; }
.lib-group-title { font-size: 1rem; color: var(--text); }
.lib-group-count { margin-left: auto; font-size: .78rem; color: var(--text-3); background: var(--bg-3); padding: 2px 8px; border-radius: 999px; }
.lib-rows { display: flex; flex-direction: column; gap: 6px; }
.ex-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; text-align: left;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text); box-shadow: var(--shadow-sm); }
.ex-row:hover { border-color: var(--line-2); }
.ex-row-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ex-row-name { font-weight: 600; font-size: .92rem; }
.ex-row-meta { font-size: .74rem; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ex-row-tag { font-size: .68rem; color: var(--text-3); text-transform: capitalize; }
.ex-row-tag.beginner { color: #15803d; } .ex-row-tag.intermediate { color: #b45309; } .ex-row-tag.advanced { color: #b91c1c; }

/* Exercise detail */
.ex-detail-head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; color: var(--accent); }
.ex-detail-icon .body-svg { width: 26px; height: 55px; }
.ex-detail-bp { font-weight: 700; color: var(--text); text-transform: capitalize; }
.ex-detail-muscles { font-size: .8rem; color: var(--text-2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.chip { background: var(--bg-3); border: 1px solid var(--line); color: var(--text-2); border-radius: 999px; padding: 4px 10px; font-size: .74rem; text-transform: capitalize; }
.ex-detail-img { width: 100%; border-radius: var(--radius-sm); margin-bottom: 12px; }
.ex-detail-h { font-size: .95rem; margin-bottom: 8px; }
.ex-steps { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.ex-steps li { color: var(--text-2); font-size: .9rem; line-height: 1.45; }
.custom-ex-form .field { margin-bottom: 12px; }

/* ── Templates / builder ── */
.tmpl-list { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.tmpl-card { display: flex; justify-content: space-between; gap: 12px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow-sm); }
.tmpl-card-name { font-weight: 700; }
.tmpl-card-meta { color: var(--text-2); font-size: .8rem; margin-top: 3px; }
.tmpl-card-parts { color: var(--text-3); font-size: .74rem; margin-top: 4px; text-transform: capitalize; }
.tmpl-card-actions { display: flex; flex-direction: column; gap: 6px; }
.builder-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.builder-title { font-size: 1.15rem; }
.builder-blocks { display: flex; flex-direction: column; gap: 12px; margin: 14px 0; }
.block-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow-sm); }
.block-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.block-head-actions { display: flex; gap: 4px; }
.block-badge { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; padding: 3px 9px; border-radius: 999px; background: var(--bg-3); color: var(--text-2); }
.block-badge.sm { font-size: .64rem; }
.block-badge.single { color: #1d4ed8; background: rgba(59,130,246,.12); }
.block-badge.superset { color: #6d28d9; background: rgba(139,92,246,.12); }
.block-badge.dropset { color: #b91c1c; background: rgba(239,68,68,.10); }
.block-badge.circuit { color: #047857; background: rgba(16,185,129,.12); }
.block-exercises { display: flex; flex-direction: column; gap: 10px; margin-bottom: 10px; }
.block-ex { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px; }
.block-ex-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.block-ex-name { font-weight: 600; font-size: .9rem; }
.set-rows { display: flex; flex-direction: column; gap: 6px; }
.set-row { display: flex; align-items: center; gap: 8px; }
.set-row-label { font-size: .78rem; color: var(--text-3); width: 48px; }
.set-row-field { display: flex; align-items: center; gap: 4px; }
.set-row-unit { font-size: .72rem; color: var(--text-3); }
.per-round-note { font-size: .72rem; color: var(--text-3); margin-top: 6px; }
.block-controls { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.num-control { display: flex; flex-direction: column; gap: 4px; font-size: .74rem; color: var(--text-2); }
.block-type-list { display: flex; flex-direction: column; gap: 8px; }
.block-type-opt { text-align: left; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 14px; color: var(--text); }
.block-type-opt:hover { border-color: var(--accent); }
.block-type-name { font-weight: 700; }
.block-type-hint { font-size: .8rem; color: var(--text-2); margin-top: 3px; }

/* ── Live session ── */
.session-host { flex: 1; padding: calc(14px + var(--safe-top)) 16px calc(30px + var(--safe-bottom)); max-width: 640px; width: 100%; margin: 0 auto; }
.sess-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; position: sticky; top: 0; background: var(--bg); padding: 6px 0 12px; z-index: 5; border-bottom: 1px solid var(--line); }
.sess-name { font-size: 1.2rem; font-weight: 800; }
.sess-elapsed { color: var(--accent-2); font-size: .82rem; font-weight: 600; margin-top: 2px; }
.sess-head-actions { display: flex; gap: 8px; }
.sess-blocks { display: flex; flex-direction: column; gap: 16px; }
.sess-block { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow-sm); }
.sess-block-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.block-rounds { font-size: .74rem; color: var(--text-3); }
.sess-ex { padding: 10px 0; border-top: 1px solid var(--line); }
.sess-ex:first-child { border-top: none; padding-top: 0; }
.sess-ex-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.sess-ex-name { font-weight: 700; font-size: .95rem; }
.sess-ex-last { font-size: .76rem; color: var(--text-3); margin-top: 2px; }
.sess-sets { display: flex; flex-direction: column; gap: 6px; }
.sess-set-row { display: grid; grid-template-columns: 34px 52px 1fr 1fr 44px; gap: 8px; align-items: center; }
.sess-set-row.done { opacity: .68; }
.sess-set-row.done .set-in { background: #f0fdf4; border-color: #bbf7d0; }
.sess-set-label { font-size: .76rem; color: var(--text-3); font-weight: 600; }
.sess-set-target { font-size: .72rem; color: var(--text-3); }
.sess-set-field { display: flex; align-items: center; gap: 3px; }
.set-in { width: 100%; padding: 9px 8px; text-align: center; }
.set-unit { font-size: .66rem; color: var(--text-3); }
.set-check { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-2); background: #fff; color: var(--green); font-size: 1.1rem; font-weight: 800; display: grid; place-items: center; }
.set-check.on { background: var(--green); color: #fff; border-color: var(--green); }

/* Rest timer overlay */
.rt { position: fixed; left: 50%; bottom: calc(20px + var(--safe-bottom)); transform: translate(-50%, 30px); z-index: 60; opacity: 0; transition: opacity .2s, transform .2s; }
.rt.show { opacity: 1; transform: translate(-50%, 0); }
.rt-inner { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--accent); border-radius: 999px; padding: 8px 12px 8px 8px; box-shadow: var(--shadow); }
.rt.done .rt-inner { border-color: var(--green); }
.rt-ring { transform: rotate(-90deg); }
.rt-ring-bg { fill: none; stroke: var(--line-2); stroke-width: 6; }
.rt-ring-fg { fill: none; stroke: var(--accent); stroke-width: 6; stroke-linecap: round; transition: stroke-dashoffset .25s linear; }
.rt.done .rt-ring-fg { stroke: var(--green); }
.rt-center { position: absolute; left: 8px; top: 8px; width: 72px; height: 72px; display: grid; place-content: center; text-align: center; }
.rt-count { font-size: 1rem; font-weight: 800; }
.rt-label { font-size: .6rem; color: var(--text-3); }
.rt-controls { display: flex; gap: 6px; }
.rt-btn { background: var(--bg-3); border: 1px solid var(--line-2); color: var(--text); border-radius: 999px; padding: 8px 10px; font-size: .78rem; font-weight: 700; }
.rt-btn.skip { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Finish summary */
.finish-summary { text-align: center; padding: 8px 4px 4px; }
.finish-emoji { font-size: 2.4rem; }
.finish-title { margin: 8px 0 16px; }
.finish-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.finish-stat { background: var(--bg-3); border-radius: var(--radius-sm); padding: 14px 6px; }
.finish-stat-val { font-size: 1.2rem; font-weight: 800; }
.finish-stat-label { font-size: .72rem; color: var(--text-3); }

/* ── History ── */
.hist-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.hist-card { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; text-align: left; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; color: var(--text); box-shadow: var(--shadow-sm); }
.hist-card-name { font-weight: 700; }
.hist-card-meta { color: var(--text-2); font-size: .8rem; margin-top: 3px; }
.hist-card-time { color: var(--accent-2); font-size: .82rem; font-weight: 700; white-space: nowrap; }
.sess-detail-meta { color: var(--text-2); font-size: .82rem; margin-bottom: 14px; }
.sess-detail-block { margin-bottom: 14px; }
.sess-detail-ex { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.sess-detail-ex-name { font-size: .88rem; }
.sess-detail-ex-sets { font-size: .82rem; color: var(--text-2); white-space: nowrap; }
.prog-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.mini-stat { background: var(--bg-3); border-radius: var(--radius-sm); padding: 12px 6px; text-align: center; }
.mini-stat-val { font-size: 1.1rem; font-weight: 800; }
.mini-stat-label { font-size: .7rem; color: var(--text-3); }
.prog-note { font-size: .74rem; color: var(--text-3); margin-top: 8px; text-align: center; }
.chart { background: var(--bg-3); border-radius: var(--radius-sm); padding: 8px; overflow-x: auto; }
.chart-svg { display: block; }
.chart-axis { stroke: var(--line-2); stroke-width: 1; }
.chart-line { stroke: var(--accent); stroke-width: 2.5; }
.chart-dots circle { fill: var(--accent-2); }
.chart-max, .chart-min { fill: var(--text-3); font-size: 10px; }
.chart-single { text-align: center; font-size: 1.4rem; font-weight: 800; padding: 24px; color: var(--accent-2); }

/* ── Sheets / modals ── */
.sheet-overlay { position: fixed; inset: 0; z-index: 80; background: rgba(23,37,60,.42); backdrop-filter: blur(2px); display: flex; align-items: flex-end; justify-content: center; opacity: 0; transition: opacity .2s; }
.sheet-overlay.open { opacity: 1; }
.sheet { width: 100%; max-width: 560px; max-height: 88dvh; background: var(--bg-2); border: 1px solid var(--line); border-radius: 20px 20px 0 0; display: flex; flex-direction: column; transform: translateY(100%); transition: transform .24s cubic-bezier(.2,.8,.2,1); box-shadow: 0 -10px 40px rgba(23,45,82,.18); }
.sheet-overlay.open .sheet { transform: translateY(0); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 10px; border-bottom: 1px solid var(--line); }
.sheet-title { font-size: 1.05rem; }
.sheet-x { background: none; border: none; color: var(--text-3); font-size: 1.1rem; padding: 4px 8px; }
.sheet-body { padding: 16px 18px calc(22px + var(--safe-bottom)); overflow-y: auto; }
.confirm-msg { color: var(--text); font-size: .95rem; line-height: 1.5; margin-bottom: 16px; }
.confirm-actions { display: flex; gap: 10px; }
.confirm-actions .btn { flex: 1; }
.picker-host { min-height: 40dvh; }

/* ── Toast ── */
.toast { position: fixed; left: 50%; bottom: calc(84px + var(--safe-bottom)); transform: translate(-50%, 20px); z-index: 100;
  background: #16202E; border: 1px solid #16202E; color: #fff; padding: 11px 18px; border-radius: 999px; font-size: .88rem; font-weight: 600;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; max-width: 90vw; text-align: center; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast[data-kind="success"] { background: var(--green); border-color: var(--green); }
.toast[data-kind="error"] { background: var(--danger); border-color: var(--danger); }

/* ── Progress (PR2) ── */
.block-seg { display: flex; width: 100%; margin-bottom: 16px; }
.block-seg .seg-btn { flex: 1; padding: 10px; }
.prog-host { min-height: 40dvh; }
.prog-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; box-shadow: var(--shadow-sm); }
.prog-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.prog-card-title { font-size: 1.05rem; }
.prog-card-head-actions { display: flex; gap: 8px; }
.prog-big { display: flex; align-items: baseline; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.prog-big-val { font-size: 2.2rem; font-weight: 800; letter-spacing: -.02em; }
.prog-big-unit { font-size: 1rem; color: var(--text-2); font-weight: 600; }
.prog-big-sub { margin-left: 8px; font-size: .8rem; color: var(--text-3); }
.prog-entries { margin-top: 12px; display: flex; flex-direction: column; gap: 2px; }
.prog-entry { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); }
.prog-entry-main { font-weight: 600; font-size: .9rem; }
.prog-entry-sub { color: var(--text-3); font-size: .82rem; }
.prog-entry-notes { color: var(--text-3); font-size: .78rem; margin-top: 2px; }
.measure-date { font-size: .8rem; color: var(--text-3); margin-bottom: 10px; }
.measure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.measure-row { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; padding: 4px 0; border-bottom: 1px solid var(--line); }
.measure-label { font-size: .82rem; color: var(--text-2); }
.measure-val { font-size: .9rem; font-weight: 700; margin-left: auto; }
.measure-delta { font-size: .74rem; font-weight: 700; min-width: 40px; text-align: right; color: var(--text-3); }
.measure-delta.down { color: var(--green); }
.measure-delta.up { color: var(--danger); }
.empty.sm { padding: 14px; font-size: .84rem; }

/* Photos */
.photo-sets { display: flex; flex-direction: column; gap: 12px; }
.photo-set { background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px; cursor: pointer; }
.photo-set-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.photo-set-date { font-weight: 600; font-size: .85rem; }
.photo-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.photo-thumb { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: 8px; background: var(--bg); }
.photo-thumb.empty { display: grid; place-items: center; color: var(--text-3); font-weight: 700; border: 1px dashed var(--line-2); }
.photo-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px; }
.photo-slot { display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; }
.photo-slot-preview { width: 100%; aspect-ratio: 3/4; border-radius: 8px; border: 1px dashed var(--line-2); background: var(--bg-3); background-size: cover; background-position: center; display: grid; place-items: center; color: var(--text-3); font-size: 1.4rem; }
.photo-slot-preview.has { border-style: solid; border-color: var(--accent); }
.photo-slot-label { font-size: .72rem; color: var(--text-2); }
.photo-viewer { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.photo-fig { margin: 0; }
.photo-full { width: 100%; border-radius: var(--radius-sm); background: var(--bg-3); }
.photo-full.empty { aspect-ratio: 3/4; display: grid; place-items: center; color: var(--text-3); font-size: .82rem; border: 1px dashed var(--line-2); }
.photo-fig figcaption { text-align: center; font-size: .78rem; color: var(--text-2); margin-top: 4px; }
.compare-view { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.compare-pane { margin: 0; }
.compare-pane figcaption { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: .78rem; color: var(--text-2); margin-top: 4px; }
.compare-tag { font-weight: 800; color: var(--accent-2); text-transform: uppercase; font-size: .68rem; letter-spacing: .04em; }

/* ── Programs + AI Coach (PR3) ── */
.hub-host { min-height: 40dvh; }
.coach-cta, .dash-ai-cta { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: linear-gradient(135deg, rgba(30,116,200,.12), rgba(30,116,200,.04)); border: 1px solid rgba(30,116,200,.3);
  border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.coach-cta-title, .dash-ai-title { font-weight: 700; }
.coach-cta-sub, .dash-ai-sub { color: var(--text-2); font-size: .82rem; margin-top: 2px; }
.prog-list { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.program-card { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow-sm); }
.program-card.active { border-color: var(--accent); }
.program-card-top { display: flex; align-items: center; gap: 8px; }
.program-card-name { font-weight: 700; }
.program-card-meta { color: var(--text-2); font-size: .8rem; margin-top: 3px; text-transform: capitalize; }
.badge-active { background: var(--accent); color: #fff; font-size: .64rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; padding: 2px 7px; border-radius: 999px; }
.badge-ai { background: rgba(30,116,200,.15); color: var(--accent-2); font-size: .64rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; padding: 2px 7px; border-radius: 999px; }
.program-detail-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 14px; }
.program-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.week-schedule { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.week-day { display: flex; align-items: center; gap: 12px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.week-day.rest { opacity: .72; }
.week-day-name { font-weight: 800; font-size: .78rem; color: var(--text-3); width: 34px; }
.week-day-body { flex: 1; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.week-day-workout { font-weight: 600; font-size: .9rem; }
.week-day-rest { color: var(--text-3); font-size: .85rem; }
.week-day-edit { display: flex; align-items: center; gap: 10px; }
.week-day-edit .week-day-name { width: 40px; }
.input.mini-wide { flex: 1; padding: 8px 10px; font-size: .88rem; }
.nutrition { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 4px 0 18px; }
.macro { background: var(--bg-3); border-radius: var(--radius-sm); padding: 12px 6px; text-align: center; }
.macro-val { font-weight: 800; font-size: 1rem; }
.macro-label { font-size: .68rem; color: var(--text-3); }
.eating-advice { margin-bottom: 18px; }
.eating-text p { color: var(--text-2); font-size: .9rem; line-height: 1.5; margin-bottom: 8px; }

/* AI coach form */
.coach-form { display: flex; flex-direction: column; gap: 4px; }
.coach-section { margin-bottom: 12px; }
.coach-label { font-size: .8rem; color: var(--text-2); font-weight: 600; margin-bottom: 6px; }
.pill-group { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { background: #fff; border: 1px solid var(--line-2); color: var(--text-2); border-radius: 999px; padding: 8px 14px; font-size: .84rem; font-weight: 600; text-transform: capitalize; }
.pill.on { background: rgba(30,116,200,.12); border-color: var(--accent); color: var(--accent-2); }
.coach-note { font-size: .74rem; color: var(--text-3); margin-top: 10px; text-align: center; }

/* AI working / results */
.ai-working { text-align: center; padding: 24px 12px; }
.ai-working-text { font-weight: 700; margin-top: 12px; }
.ai-working-sub { color: var(--text-3); font-size: .82rem; margin-top: 4px; }
.spinner { width: 34px; height: 34px; border: 3px solid var(--line-2); border-top-color: var(--accent); border-radius: 50%; margin: 0 auto; animation: d2bf-spin .8s linear infinite; }
@keyframes d2bf-spin { to { transform: rotate(360deg); } }
.checkin-result { padding: 4px; }
.checkin-status { font-weight: 800; margin-bottom: 10px; }
.checkin-status.good { color: var(--green); }
.checkin-status.warn { color: #b45309; }
.checkin-summary { color: var(--text); font-size: .95rem; line-height: 1.5; margin-bottom: 12px; }
.checkin-tips { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.checkin-tips li { color: var(--text-2); font-size: .9rem; line-height: 1.45; }

/* Dashboard program card */
.dash-program { background: var(--bg-2); border: 1px solid var(--accent); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.dash-program-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.dash-program-label { font-weight: 700; font-size: .9rem; }
.dash-program-today { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dash-program-eyebrow { font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); font-weight: 700; }
.dash-program-workout { font-weight: 800; font-size: 1.05rem; }
.dash-program-rest { color: var(--text-2); font-size: .9rem; }

/* ── Coach chat (PR4) ── */
.coach-alt { text-align: center; margin-top: 10px; }
.chat-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.chat-head-title { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.chat-head-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(22,163,74,.18); }
.chat-thread { display: flex; flex-direction: column; gap: 8px; padding: 6px 2px; min-height: 46dvh; max-height: 62dvh; overflow-y: auto; }
.bubble { max-width: 82%; padding: 10px 13px; border-radius: 16px; font-size: .92rem; line-height: 1.4; white-space: pre-wrap; word-break: break-word; }
.bubble.coach { align-self: flex-start; background: var(--bg-2); border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.bubble.me { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 5px; }
.typing { display: inline-flex; gap: 4px; padding: 2px 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); display: inline-block; animation: d2bf-typing 1.2s infinite ease-in-out; }
.typing i:nth-child(2) { animation-delay: .2s; } .typing i:nth-child(3) { animation-delay: .4s; }
@keyframes d2bf-typing { 0%, 60%, 100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.chat-composer { position: sticky; bottom: 0; background: var(--bg); padding-top: 8px; margin-top: 8px; }
.chat-build { width: 100%; background: transparent; border: 1px dashed var(--accent); color: var(--accent-2); border-radius: var(--radius-sm); padding: 9px; font-weight: 700; font-size: .85rem; margin-bottom: 8px; }
.chat-input-row { display: flex; gap: 8px; align-items: flex-end; }
.chat-input { flex: 1; resize: none; max-height: 120px; }
.chat-send { flex-shrink: 0; }

/* Coach context (Setup) */
.coach-context { border-top: 1px solid var(--line); padding-top: 20px; }
.coach-notes-title { font-size: .95rem; margin: 18px 0 8px; }
.coach-note-add { display: flex; gap: 8px; margin-bottom: 10px; }
.coach-note-add .input { flex: 1; }
.coach-notes { display: flex; flex-direction: column; gap: 4px; }
.coach-note-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.coach-note-text { font-size: .88rem; }
.coach-note-when { font-size: .74rem; color: var(--text-3); }
.coach-note-tag { font-size: .62rem; font-weight: 800; text-transform: uppercase; color: var(--accent-2); background: rgba(30,116,200,.12); padding: 1px 6px; border-radius: 999px; margin-left: 6px; }

/* ── Misc ── */
.empty { text-align: center; color: var(--text-3); padding: 30px 16px; font-size: .9rem; }
.loading { text-align: center; color: var(--text-3); padding: 24px; font-size: .88rem; }
.body-svg .body-highlight { color: var(--accent); }