:root { color-scheme: dark; --bg:#101215; --surface:#1a1e23; --surface-2:#242a31; --text:#f5f7f8; --muted:#9ba5ae; --accent:#78d6a5; --line:#303841; }
* { box-sizing: border-box; }
body { margin:0; min-width:320px; background:var(--bg); color:var(--text); font:16px/1.4 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
main { max-width:680px; margin:0 auto; padding:28px 20px 104px; }
.eyebrow { color:var(--accent); font-size:13px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
h1 { margin:4px 0 0; font-size:32px; letter-spacing:-.04em; }
.date { margin:4px 0 24px; color:var(--muted); }
h2 { margin:32px 0 12px; font-size:18px; }
.stats { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.card { min-width:0; padding:16px; border:1px solid var(--line); border-radius:16px; background:var(--surface); }
.label { color:var(--muted); font-size:13px; }
.value { margin-top:7px; font-size:25px; font-weight:750; letter-spacing:-.035em; }
.value-lg { font-size:29px; }
.not-logged { font-size:15px; font-weight:600; color:var(--muted); }
.card-link { display:block; color:inherit; text-decoration:none; -webkit-tap-highlight-color:transparent; }
.card-link .card { transition:border-color .15s ease; }
.card-link:active .card { border-color:var(--accent); }
.unit { color:var(--muted); font-size:13px; font-weight:500; letter-spacing:0; }
.plan { display:grid; gap:12px; }
.plan-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin-top:14px; }
.plan-item { padding:10px 4px; text-align:center; border-radius:10px; background:var(--surface-2); }
.plan-item strong { display:block; font-size:17px; }
.empty { color:var(--muted); }
.notice { margin:0; color:var(--muted); }
nav { position:fixed; right:0; bottom:0; left:0; display:flex; justify-content:center; padding:10px 20px calc(10px + env(safe-area-inset-bottom)); border-top:1px solid var(--line); background:rgba(16,18,21,.96); backdrop-filter:blur(12px); }
.nav-inner { width:min(640px,100%); display:grid; grid-template-columns:repeat(5,1fr); gap:4px; }
.nav-item { min-height:48px; display:grid; place-items:center; color:var(--muted); font-size:12px; text-decoration:none; }
.nav-item[aria-current="page"] { color:var(--accent); font-weight:700; }
.loading { opacity:.7; }
@media (min-width:520px) { .stats { grid-template-columns:repeat(4,minmax(0,1fr)); } }

/* Plan vs Actual (Exercise) */
.section-tag { display:inline-block; padding:3px 10px; border-radius:999px; font-size:11px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.section-tag.plan-tag { color:var(--muted); background:var(--surface-2); }
.section-tag.actual-tag { color:#0d1310; background:var(--accent); }
.plan-readonly { border-style:dashed; }
.actual-form { border-color:var(--accent); }
.field-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:14px; }
.field label { display:block; color:var(--muted); font-size:13px; margin-bottom:6px; }
.field input[type="number"] { width:100%; min-height:48px; padding:0 10px; border-radius:10px; border:1px solid var(--line); background:var(--surface-2); color:var(--text); font-size:17px; }
.field input[type="number"]:focus { outline:2px solid var(--accent); outline-offset:1px; }
.completed-row { display:flex; align-items:center; gap:10px; margin-top:16px; padding:12px; border-radius:10px; background:var(--surface-2); }
.completed-row input[type="checkbox"] { width:22px; height:22px; accent-color:var(--accent); }
.completed-row label { font-size:15px; }
.save-button { width:100%; min-height:52px; margin-top:18px; border:none; border-radius:14px; background:var(--accent); color:#0d1310; font-size:16px; font-weight:700; }
.save-button:disabled { opacity:.6; }
.toast { position:fixed; left:50%; bottom:96px; transform:translate(-50%,12px); padding:10px 18px; border-radius:12px; background:var(--surface-2); border:1px solid var(--line); color:var(--text); font-size:14px; opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease; z-index:10; }
.toast.show { opacity:1; transform:translate(-50%,0); }

/* Shared date bar */
.date-card { margin-bottom:20px; }
.date-card input[type="date"] { display:block; width:100%; min-height:48px; margin-top:7px; padding:0 10px; border-radius:10px; border:1px solid var(--line); background:var(--surface-2); color:var(--text); font-size:17px; color-scheme:dark; }
.date-card input[type="date"]:focus { outline:2px solid var(--accent); outline-offset:1px; }

/* Single/multi-field entry pages (Weight/Food) */
.entry-form .field { margin-top:0; }
.entry-form .field + .field { margin-top:14px; }
.entry-form input[type="number"] { width:100%; min-height:48px; padding:0 10px; border-radius:10px; border:1px solid var(--line); background:var(--surface-2); color:var(--text); font-size:17px; }
.entry-form input[type="number"]:focus { outline:2px solid var(--accent); outline-offset:1px; }
.entry-form textarea { width:100%; padding:10px; border-radius:10px; border:1px solid var(--line); background:var(--surface-2); color:var(--text); font-size:15px; font-family:inherit; resize:vertical; }
.entry-form textarea:focus { outline:2px solid var(--accent); outline-offset:1px; }

/* Rehab exercise cards */
.exercise-card { display:flex; gap:14px; align-items:flex-start; }
.exercise-card + .exercise-card { margin-top:12px; }
.exercise-illustration { flex:none; width:64px; height:64px; border-radius:12px; background:var(--surface-2); padding:8px; }
.exercise-body { flex:1; min-width:0; }
.exercise-body h3 { margin:0; font-size:16px; }
.exercise-body p { margin:4px 0 0; color:var(--muted); font-size:13px; }
.exercise-done-row { display:flex; align-items:center; gap:8px; margin-top:10px; }
.exercise-done-row input[type="checkbox"] { width:22px; height:22px; accent-color:var(--accent); }
.exercise-done-row label { font-size:14px; }

/* Pain scores */
.pain-grid { display:grid; gap:16px; margin-top:14px; }
.pain-field label { display:flex; justify-content:space-between; color:var(--muted); font-size:13px; margin-bottom:6px; }
.pain-field .pain-value { color:var(--text); font-weight:700; }
.pain-field input[type="range"] { width:100%; accent-color:var(--accent); height:32px; }

/* Dashboard: Today's Progress */
.progress-list { display:grid; gap:12px; }
.progress-row { display:flex; align-items:center; justify-content:space-between; font-size:15px; }
.progress-status { font-weight:700; font-size:17px; }
.progress-status.done { color:var(--accent); }
.progress-status.pending { color:var(--muted); }