/* Light "wellness" theme. Colours live in these variables so the palette can
 * be retuned in one place; the rest of the sheet only references them. The old
 * dark-brown/orange scheme reused the same hex for a background in one rule and
 * text-on-accent in another, which is why everything is a named role now. */
:root {
  --bg: #eef3ec;          /* soft sage mist page background */
  --surface: #ffffff;     /* cards, panels */
  --surface-2: #f5f8f3;   /* inputs, insets */
  --border: #dde5d8;      /* hairlines, input borders */
  --border-soft: #eef2ec; /* faint table-row dividers */

  --text: #2e3a31;        /* primary deep-forest text */
  --text-muted: #7a8a7e;  /* secondary / placeholder */
  --label: #6c7d70;       /* field labels */

  --primary: #4f9d7a;     /* spa green: headers, primary actions */
  --primary-strong: #3c7a5c;
  --on-primary: #ffffff;

  --warm: #c88a4a;        /* amber accent for warm-up sets */
  --warm-bg: #f6ecdc;
  --warm-text: #b07636;

  --green-bg: #e4f1e9;    /* working sets / done */
  --green-text: #3c7a5c;

  --danger-bg: #fbe9e7;
  --danger-text: #c0564d;
  --danger-border: #efb8b2;

  --shadow: 0 1px 3px rgba(46, 58, 49, .06), 0 1px 2px rgba(46, 58, 49, .04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100dvh;
      -webkit-tap-highlight-color: transparent;
    }
    .container { max-width: 480px; margin: 0 auto; padding: 0 16px; }
    .header {
      position: sticky; top: 0; z-index: 10;
      background: rgba(238, 243, 236, .85);
      backdrop-filter: saturate(140%) blur(10px);
      -webkit-backdrop-filter: saturate(140%) blur(10px);
      border-bottom: 1px solid var(--border);
      padding: 16px;
    }
    .header-inner {
      max-width: 480px; margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
    }
    .header h1 { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
    .header a.back {
      color: var(--primary); text-decoration: none; font-size: 0.95rem; font-weight: 500;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      padding: 10px 18px; border-radius: 8px;
      font-size: 0.9rem; font-weight: 600;
      text-decoration: none; border: none; cursor: pointer;
      transition: opacity 0.15s, background 0.15s;
    }
    .btn:active { opacity: 0.7; }
    .btn-primary { background: var(--primary); color: var(--on-primary); }
    .btn-sm { padding: 8px 12px; font-size: 0.8rem; border-radius: 6px; }
    .btn-warmup { background: var(--warm-bg); color: var(--warm-text); }
    .btn-working { background: var(--green-bg); color: var(--green-text); }
    .btn-danger { background: var(--danger-bg); color: var(--danger-text); }
    .btn-block { width: 100%; }
    .card {
      background: var(--surface); border-radius: 12px;
      padding: 16px; margin-bottom: 12px;
      box-shadow: var(--shadow);
    }
    .card-link {
      display: block; text-decoration: none; color: inherit;
      background: var(--surface); border-radius: 12px;
      padding: 16px; margin-bottom: 12px;
      box-shadow: var(--shadow);
      transition: background 0.15s, transform 0.15s;
    }
    .card-link:active { background: var(--surface-2); transform: scale(0.995); }
    .session-date { font-size: 1.1rem; font-weight: 600; color: var(--text); }
    .empty { text-align: center; padding: 60px 20px; color: var(--text-muted); }
    .empty p { margin-bottom: 8px; }
    .form-group { margin-bottom: 20px; }
    .form-group label {
      display: block; font-size: 0.8rem; font-weight: 600;
      color: var(--label); margin-bottom: 8px; text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .form-group input, .form-group select {
      width: 100%; padding: 14px 16px;
      background: var(--surface-2); border: 1px solid var(--border);
      border-radius: 8px; color: var(--text); font-size: 1rem;
      outline: none; transition: border-color 0.2s, box-shadow 0.2s;
      -webkit-appearance: none;
    }
    .form-group input:focus, .form-group select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 157, 122, .15);
    }
    .form-group input::placeholder { color: var(--text-muted); }
    .form-row { display: flex; gap: 12px; }
    .form-row .form-group { flex: 1; }
    .exercise-card {
      background: var(--surface); border-radius: 12px; padding: 16px; margin-bottom: 16px;
      box-shadow: var(--shadow);
    }
    .exercise-name { font-size: 1rem; font-weight: 600; margin-bottom: 12px; color: var(--primary-strong); }
    .sets-table { width: 100%; font-size: 0.85rem; border-collapse: collapse; }
    .sets-table th {
      text-align: left; color: var(--text-muted); font-size: 0.7rem;
      font-weight: 600; text-transform: uppercase;
      padding: 6px 4px; border-bottom: 1px solid var(--border);
    }
    .sets-table td { padding: 8px 4px; border-bottom: 1px solid var(--border-soft); }
    .sets-table .type-warmup { color: var(--warm-text); font-weight: 600; font-size: 0.75rem; }
    .sets-table .type-working { color: var(--green-text); font-weight: 600; font-size: 0.75rem; }
    .sets-table .weight { font-weight: 600; }
    .sets-table .delete-btn {
      background: none; border: none; color: var(--text-muted); cursor: pointer;
      font-size: 0.8rem; padding: 4px;
    }
    .sets-table .delete-btn:active { color: var(--danger-text); }
    .sets-table .done-btn {
      background: var(--green-bg); border: none; color: var(--green-text); cursor: pointer;
      font-size: 0.7rem; font-weight: 600; padding: 4px 8px; border-radius: 4px;
    }
    .sets-table .done-btn:active { opacity: 0.7; }
    .sets-table .done-btn.is-done {
      background: var(--primary); color: var(--on-primary);
    }
    .sets-table tr.set-done td { opacity: 0.5; }
    .sets-table tr.set-done .weight { text-decoration: line-through; }
    .set-actions { display: flex; gap: 8px; margin-top: 12px; }
    .add-set-form {
      display: none; margin-top: 12px; padding-top: 12px;
      border-top: 1px solid var(--border);
    }
    .add-set-form.active { display: block; }
    .exercise-form { padding: 16px 0; }
    .content { padding: 16px 0 100px; }
    .subtitle { color: var(--label); font-size: 0.85rem; margin-top: 2px; }
    .card-done { border-left: 3px solid var(--primary); }
    .done-check { color: var(--primary); font-weight: bold; }
    .btn-locked { background: var(--warm-bg); color: var(--warm-text); font-size: 1rem; }
    .btn-unlocked { background: var(--surface-2); color: var(--text-muted); font-size: 1rem; border: 1px solid var(--border); }
    .edit-input {
      width: 60px; padding: 4px 6px;
      background: var(--surface-2); border: 1px solid var(--border);
      border-radius: 4px; color: var(--text); font-size: 0.85rem;
      outline: none; text-align: center;
    }
    .edit-input:focus { border-color: var(--primary); }
    .edit-weight { width: 65px; }
    .edit-reps { width: 45px; }
    .inline-edit { margin: 0; display: inline; }

        /* --- static-app additions --- */
        .view { display: none; }
        .view.active { display: block; }
        .err { background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger-text); padding: .6rem .8rem; border-radius: 6px; margin: .5rem 0; }
        .add-set-form { display: none; }
        .add-set-form.active { display: block; }
/* ---- login gate (see auth.js) ---- */
.login-gate {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}
.login-box {
    width: 100%;
    max-width: 22rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}
.login-box h1 { margin: 0 0 .5rem; font-size: 1.25rem; color: var(--primary); }
.login-box label { font-size: .8rem; color: var(--label); }
.login-box input {
    padding: .6rem .7rem;
    font-size: 1rem; /* >=16px stops iOS zooming the page on focus */
    border-radius: .4rem;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--text);
}
.login-box input:focus { outline: none; border-color: var(--primary); }
.login-box button {
    margin-top: .5rem;
    padding: .65rem;
    font-size: 1rem;
    border-radius: .4rem;
    cursor: pointer;
    border: none;
    background: var(--primary);
    color: var(--on-primary);
    font-weight: 600;
}
.login-box button[disabled] { opacity: .6; cursor: default; }
.login-error { color: var(--danger-text); min-height: 1.2em; margin: .25rem 0 0; font-size: .85rem; }

/* ---- new-session picker (see app.js showNewSessionPicker) ---- */
.picker-gate {
    position: fixed; inset: 0;
    background: rgba(46, 58, 49, .35);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000; padding: 1rem;
}
.picker-box {
    width: 100%; max-width: 22rem;
    background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(46, 58, 49, .18);
    display: flex; flex-direction: column; gap: 10px;
}
.picker-box h2 { font-size: 1.1rem; color: var(--primary-strong); margin-bottom: 6px; }
.picker-box .btn { flex-direction: column; align-items: flex-start; gap: 2px; padding: 12px 16px; }
.picker-sub { font-size: .72rem; font-weight: 500; opacity: .8; text-transform: none; }