:root{
  --accent:#3aa373;
  --accent-dark:#2c8060;
  --durchfall:#e07a3f;
  --verstopfung:#8a6d3b;
  --normal:#3aa373;
  --bg:#f4f6f5;
  --surface:#ffffff;
  --text:#1b2320;
  --text-muted:#6b7570;
  --border:#e4e8e6;
  --danger:#d9534f;
  --shadow:0 2px 10px rgba(20,30,25,0.08);
  --radius:16px;
  --safe-bottom:env(safe-area-inset-bottom,0px);
  --safe-top:env(safe-area-inset-top,0px);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#141715;
    --surface:#1e2320;
    --text:#eef1ee;
    --text-muted:#9aa39c;
    --border:#2a2f2c;
    --shadow:0 2px 10px rgba(0,0,0,0.4);
  }
}
*{box-sizing:border-box;}
[hidden]{display:none !important;}
html,body{margin:0;padding:0;height:100%;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  overscroll-behavior-y:none;
  -webkit-tap-highlight-color:transparent;
}

.topbar{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:calc(14px + var(--safe-top)) 16px 14px;
  background:var(--accent);
  color:#fff;
}
.topbar h1{font-size:19px;margin:0;font-weight:700;}

#app{
  padding:12px 12px calc(96px + var(--safe-bottom));
  max-width:560px;
  margin:0 auto;
  min-height:100vh;
}
.view[hidden]{display:none;}

/* date nav */
.date-nav{display:flex;align-items:center;justify-content:center;gap:14px;padding:6px 0 14px;}
.date-label{font-weight:600;font-size:15px;min-width:150px;text-align:center;}

/* stat row */
.stat-row{display:flex;gap:10px;margin-bottom:16px;}
.stat-card{
  flex:1;background:var(--surface);border-radius:var(--radius);
  padding:14px 8px;text-align:center;box-shadow:var(--shadow);
}
.stat-value{display:block;font-size:24px;font-weight:700;color:var(--accent);}
.stat-warn .stat-value{color:var(--durchfall);}
.stat-label{font-size:11.5px;color:var(--text-muted);}

/* timeline */
.timeline{display:flex;flex-direction:column;gap:10px;}
.entry{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border-radius:var(--radius);
  padding:12px 14px;box-shadow:var(--shadow);cursor:pointer;
  border-left:4px solid var(--accent);
}
.entry.bowel{border-left-color:var(--normal);}
.entry.bowel.durchfall{border-left-color:var(--durchfall);}
.entry.bowel.verstopfung{border-left-color:var(--verstopfung);}
.entry-icon{font-size:22px;line-height:1;margin-top:2px;}
.entry-body{flex:1;min-width:0;}
.entry-title{font-weight:600;font-size:15px;}
.entry-sub{font-size:12.5px;color:var(--text-muted);margin-top:2px;}
.entry-notes{font-size:12.5px;color:var(--text-muted);margin-top:4px;font-style:italic;}
.entry-time{font-size:12px;color:var(--text-muted);white-space:nowrap;margin-top:2px;}
.badge{
  display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:20px;
  margin-left:6px;vertical-align:middle;
}
.badge-normal{background:#e2f4ea;color:var(--accent-dark);}
.badge-durchfall{background:#fbe6d8;color:var(--durchfall);}
.badge-verstopfung{background:#efe8d7;color:var(--verstopfung);}
@media (prefers-color-scheme: dark){
  .badge-normal{background:#1d3327;}
  .badge-durchfall{background:#3a2718;}
  .badge-verstopfung{background:#332c18;}
}

.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px;}
.empty-sub{font-size:13px;}

/* filter chips */
.filter-row,.stats-period{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap;}
.chip{
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  padding:7px 14px;border-radius:20px;font-size:13px;cursor:pointer;
}
.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;}

/* cards (stats/settings) */
.card{background:var(--surface);border-radius:var(--radius);padding:16px;margin-bottom:14px;box-shadow:var(--shadow);}
.card h3{margin:0 0 12px;font-size:15px;}
.hint{font-size:13px;color:var(--text-muted);line-height:1.5;margin:0 0 10px;}
.hint:last-child{margin-bottom:0;}
.error-text{color:var(--danger) !important;}

.bar-chart{display:flex;height:22px;border-radius:11px;overflow:hidden;background:var(--border);}
.bar-seg{height:100%;}
.bar-seg.normal{background:var(--normal);}
.bar-seg.durchfall{background:var(--durchfall);}
.bar-seg.verstopfung{background:var(--verstopfung);}
.legend{display:flex;gap:16px;margin-top:10px;font-size:12.5px;color:var(--text-muted);}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px;}
.dot-normal{background:var(--normal);}
.dot-durchfall{background:var(--durchfall);}

.daily-chart{display:flex;align-items:flex-end;gap:4px;height:120px;}
.daily-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:2px;height:100%;}
.daily-stack{width:100%;max-width:22px;display:flex;flex-direction:column-reverse;border-radius:4px 4px 0 0;overflow:hidden;}
.daily-seg{width:100%;}
.daily-seg.normal{background:var(--normal);}
.daily-seg.durchfall{background:var(--durchfall);}
.daily-seg.verstopfung{background:var(--verstopfung);}
.daily-label{font-size:9.5px;color:var(--text-muted);margin-top:4px;}

.kpi-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.kpi{background:var(--bg);border-radius:10px;padding:10px;text-align:center;}
.kpi b{display:block;font-size:18px;color:var(--accent);}
.kpi span{font-size:11px;color:var(--text-muted);}

.trigger-row{margin-bottom:14px;}
.trigger-row:last-child{margin-bottom:0;}
.trigger-row-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:14px;margin-bottom:5px;}
.trigger-row-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.trigger-row-pct{color:var(--durchfall);font-weight:700;white-space:nowrap;}
.trigger-bar-bg{background:var(--border);border-radius:6px;height:8px;overflow:hidden;}
.trigger-bar-fill{background:var(--durchfall);height:100%;}
.trigger-row-sub{font-size:11.5px;color:var(--text-muted);margin-top:4px;}

/* buttons */
.btn{
  display:block;width:100%;padding:12px;border-radius:12px;border:none;
  font-size:14.5px;font-weight:600;cursor:pointer;margin-bottom:10px;text-align:center;
}
.btn:last-child{margin-bottom:0;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border);}
.btn-danger{background:#fbe9e8;color:var(--danger);}
.btn-text{background:transparent;color:var(--danger);width:auto;padding:12px 4px;}
.file-label{display:block;}
.icon-btn{
  background:none;border:none;color:inherit;font-size:20px;cursor:pointer;
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;
}
.topbar .icon-btn{color:#fff;}

/* FAB */
.fab{
  position:fixed;right:20px;bottom:calc(78px + var(--safe-bottom));
  width:58px;height:58px;border-radius:50%;background:var(--accent);color:#fff;
  font-size:28px;border:none;box-shadow:0 4px 14px rgba(0,0,0,0.25);z-index:30;cursor:pointer;
  transition:transform .15s;
}
.fab.open{transform:rotate(45deg);}
.fab-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.25);z-index:20;}
.fab-menu{
  position:fixed;right:20px;bottom:calc(146px + var(--safe-bottom));
  display:flex;flex-direction:column;gap:10px;z-index:30;align-items:flex-end;
}
.fab-menu[hidden]{display:none;}
.fab-option{
  display:flex;align-items:center;gap:8px;background:var(--surface);color:var(--text);
  border:none;padding:10px 16px;border-radius:30px;box-shadow:var(--shadow);font-size:14px;font-weight:600;
  cursor:pointer;white-space:nowrap;
}
.fab-icon{font-size:18px;}

/* bottom nav */
.bottomnav{
  position:fixed;left:0;right:0;bottom:0;z-index:25;
  display:flex;background:var(--surface);border-top:1px solid var(--border);
  padding-bottom:var(--safe-bottom);
}
.nav-btn{
  flex:1;background:none;border:none;color:var(--text-muted);font-size:11px;
  padding:9px 4px 8px;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;
}
.nav-icon{font-size:20px;}
.nav-btn.active{color:var(--accent);font-weight:700;}

/* modal */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:50;
  display:flex;align-items:flex-end;justify-content:center;
}
.modal-backdrop[hidden]{display:none;}
.modal{
  background:var(--surface);width:100%;max-width:560px;border-radius:20px 20px 0 0;
  padding:20px 20px calc(20px + var(--safe-bottom));max-height:88vh;overflow-y:auto;
  animation:slideUp .18s ease-out;
}
@keyframes slideUp{from{transform:translateY(30px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.modal-header h2{font-size:17px;margin:0;}
.field{display:block;margin-bottom:14px;font-size:13px;color:var(--text-muted);}
.field-label{display:block;margin-bottom:8px;font-size:13px;color:var(--text-muted);}
.field span{display:block;margin-bottom:5px;}
.field input,.field select,.field textarea{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg);color:var(--text);font-size:15px;font-family:inherit;
}
.field textarea{resize:vertical;}
.segmented{display:flex;gap:8px;margin-bottom:14px;}
.seg-btn{
  flex:1;padding:10px 4px;border-radius:12px;border:1.5px solid var(--border);
  background:var(--bg);color:var(--text);font-size:12.5px;font-weight:600;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:4px;
}
.seg-icon{font-size:18px;}
.seg-btn.active.seg-normal{border-color:var(--normal);background:#e2f4ea;color:var(--accent-dark);}
.seg-btn.active.seg-durchfall{border-color:var(--durchfall);background:#fbe6d8;color:var(--durchfall);}
.seg-btn.active.seg-verstopfung{border-color:var(--verstopfung);background:#efe8d7;color:var(--verstopfung);}
@media (prefers-color-scheme: dark){
  .seg-btn.active.seg-normal{background:#1d3327;}
  .seg-btn.active.seg-durchfall{background:#3a2718;}
  .seg-btn.active.seg-verstopfung{background:#332c18;}
}
.modal-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:6px;}
.modal-actions .btn-primary{width:auto;flex:1;}

/* Arztbericht */
.report-actions{display:flex;gap:10px;margin-bottom:16px;}
.report-actions .btn{width:auto;flex:1;margin-bottom:0;}
.report-content{background:#fff;color:#111;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.report-content h1{font-size:18px;margin:0 0 6px;}
.report-meta{font-size:12px;color:#555;margin-bottom:16px;line-height:1.5;}
.report-summary{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #ddd;}
.report-summary div{font-size:12px;color:#555;}
.report-summary b{display:block;font-size:20px;color:#111;}
.report-day{margin-bottom:16px;}
.report-day h4{font-size:13px;margin:0 0 6px;border-bottom:1px solid #ccc;padding-bottom:4px;}
.report-table{width:100%;border-collapse:collapse;font-size:12px;}
.report-table th,.report-table td{padding:4px 6px;border-bottom:1px solid #eee;text-align:left;vertical-align:top;}
.report-table th{color:#555;font-weight:600;}
.rt-durchfall{color:#b85c26;font-weight:600;}

@media print{
  body *{visibility:hidden;}
  #view-report, #view-report *{visibility:visible;}
  #view-report{position:absolute;top:0;left:0;width:100%;margin:0;padding:0;}
  .no-print{display:none !important;}
  .report-content{box-shadow:none;padding:0;}
  @page{margin:1.5cm;}
}