:root{
  --background:#fbfcfd;
  --foreground:#172033;
  --card:#ffffff;
  --muted:#f3f6f8;
  --muted-fg:#6b7280;
  --border:#e5eaf0;
  --primary:#48c77d;
  --primary-deep:#15945b;
  --accent:#eaf8ef;
  --danger:#dc2626;
  --warning:#d99b18;
  --ring:#dbe3ea;
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 8px 30px rgba(15,23,42,.06);
  --control-h:40px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%}
body{
  background:var(--background);
  color:var(--foreground);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}

.app-frame{
  width:min(100%,448px);
  min-height:100vh;
  margin:0 auto;
  padding:0 20px 92px;
}
.app-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 12px;
}
.app-title{text-align:center;min-width:0}
.app-title strong{display:block;font-size:18px;font-weight:700;line-height:1.1}
.app-title span{display:block;color:var(--muted-fg);font-size:12px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}
.icon-link{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(23,32,51,.72);
  text-decoration:none;
  border-radius:12px;
  font-size:20px;
}
.icon-link:hover{background:var(--muted);color:var(--foreground)}

h1{font-size:22px;font-weight:700;margin:0;line-height:1.2}
h2{
  font-size:12px;
  font-weight:750;
  color:var(--muted-fg);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin:0 0 12px;
}
h3{font-size:15px;margin:0 0 8px}
.muted{color:var(--muted-fg);font-size:13px}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:16px;
  margin:0 0 18px;
  box-shadow:none;
}
.panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin:0 0 24px;
}
.section{margin-top:28px}

.day-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:4px 0 0;
}
.day-head .date-title{text-align:center;flex:1;min-width:0}
.date-title h1{font-size:22px}
.date-title p{margin:4px 0 0;color:var(--muted-fg);font-size:12px}

.ring-wrap{
  display:flex;
  justify-content:center;
  margin:26px 0 20px;
}
.protein-ring{
  position:relative;
  width:220px;
  height:220px;
}
.protein-ring svg{display:block;transform:rotate(-90deg)}
.ring-bg{stroke:#dfe5eb}
.ring-fg{stroke:var(--primary);stroke-linecap:round;transition:stroke-dashoffset .4s ease}
.ring-center{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.ring-value{font-size:48px;font-weight:700;line-height:1;letter-spacing:0}
.ring-unit{font-size:18px;color:var(--muted-fg);margin-left:2px}
.ring-goal{color:var(--muted-fg);font-size:14px;margin-top:8px}
.ring-percent{font-size:16px;font-weight:700;color:var(--primary-deep);margin-top:4px}
.ring-percent.warning{color:var(--warning)}
.ring-percent.danger{color:var(--danger)}

.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  text-align:center;
  margin:0 6px 26px;
}
.stat{padding:0;background:transparent;border:0}
.stat .l{
  font-size:10px;
  font-weight:750;
  color:var(--muted-fg);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:5px;
}
.stat .v{font-size:14px;font-weight:750;line-height:1.2}
.stat .sub{font-size:11px;color:var(--muted-fg);margin-top:2px}

.meal-list{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.meal-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:12px;
  align-items:center;
  padding:14px 16px;
  border-bottom:1px solid var(--border);
}
.meal-row:last-child{border-bottom:0}
.meal-row.active{background:var(--accent)}
.meal-icon{font-size:22px;line-height:1}
.meal-main{min-width:0}
.meal-main strong{display:block;font-size:15px;font-weight:650}
.meal-main span{display:block;color:var(--muted-fg);font-size:12px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.meal-meta{text-align:right}
.meal-protein{display:block;font-size:14px;font-weight:750;color:var(--primary-deep)}
.meal-actions{display:flex;justify-content:flex-end;gap:6px;margin-top:8px}

.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row > input,.row > select{flex:1 1 150px;min-width:140px}
.right{margin-left:auto}

label{display:block;font-size:13px;font-weight:600;margin:0 0 4px}
input,select,textarea{
  width:100%;
  min-height:var(--control-h);
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  color:var(--foreground);
  padding:9px 12px;
  font:inherit;
}
input:focus,select:focus,textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(72,199,125,.18);
}
textarea{min-height:84px;resize:vertical}

button,.btn{
  min-height:var(--control-h);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  border:1px solid transparent;
  border-radius:10px;
  padding:8px 14px;
  background:var(--primary);
  color:#102033;
  font:inherit;
  font-weight:700;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  white-space:nowrap;
}
button:hover,.btn:hover{filter:brightness(.98)}
button.secondary,.btn.secondary{background:#f7f9fb;border-color:var(--border);color:var(--foreground)}
button.danger,.btn.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}
button.ghost,.btn.ghost{background:transparent;color:var(--muted-fg)}
.btn.small,button.small{min-height:30px;padding:5px 9px;font-size:12px;border-radius:8px}
form.inline{display:inline-flex;align-items:center;gap:6px;margin:0}

table{width:100%;border-collapse:collapse}
th,td{padding:12px 10px;border-bottom:1px solid var(--border);text-align:left;font-size:14px;vertical-align:middle}
th{color:var(--muted-fg);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
tr:last-child td{border-bottom:0}
td:last-child,th:last-child{text-align:right;white-space:nowrap}

.error{
  color:#991b1b;
  background:#fee2e2;
  border:1px solid #fecaca;
  padding:10px 12px;
  border-radius:10px;
}
.success{
  color:#166534;
  background:#dcfce7;
  border:1px solid #bbf7d0;
  padding:10px 12px;
  border-radius:10px;
}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 8px;background:var(--accent);color:var(--primary-deep);font-size:11px;font-weight:700}

.bottom-nav{
  position:fixed;
  left:0;right:0;bottom:0;
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--border);
  backdrop-filter:blur(12px);
  z-index:50;
}
.bottom-nav{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(0,1fr);
  max-width:448px;
  margin:0 auto;
  padding:8px 4px 10px;
}
.bottom-nav a{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  min-width:0;
  color:var(--muted-fg);
  text-decoration:none;
  font-size:10px;
  font-weight:650;
}
.bottom-nav span{font-size:18px;line-height:1}
.bottom-nav a.active{color:var(--primary-deep)}

.auth-card{
  width:min(100%,380px);
  margin:72px auto 0;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  background:var(--card);
  padding:20px;
}
.auth-card h1{text-align:center;margin-bottom:4px}
.auth-card .muted{text-align:center;margin:0 0 18px}

@media(min-width:760px){
  .app-frame{padding-left:0;padding-right:0}
}
@media(max-width:520px){
  .app-frame{padding-left:16px;padding-right:16px}
  .stats{margin-left:0;margin-right:0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .row > input,.row > select,.row > button,.row > .btn{flex:1 1 100%}
  .card{padding:14px}
  table{min-width:560px}
  .card{overflow-x:auto}
}