:root{
  --bg:#07101f;
  --panel:#111c2e;
  --panel2:#17243a;
  --text:#f7f9fc;
  --muted:#94a3b8;
  --accent:#3b82f6;
  --accent2:#60a5fa;
  --danger:#ef4444;
  --success:#22c55e;
  --ring: rgba(59,130,246,.24);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",Segoe UI,sans-serif;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}
button{cursor:pointer}
#app{min-height:100vh}
.shell{width:min(100%,480px);margin:0 auto;min-height:100vh;background:linear-gradient(180deg,#07101f 0%,#0a1424 100%);position:relative;padding-bottom:92px}
.home-shell{padding:30px 20px;display:flex;flex-direction:column;justify-content:center;min-height:100vh}
.auth-shell{padding:24px 20px;display:grid;place-items:center;min-height:100vh}
.auth-card{width:100%;background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:26px;padding:22px;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.auth-title{font-size:30px;line-height:1.08;margin:14px 0 9px}
.loading-mark{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,#2563eb,#ec4899);font-weight:950}
.auth-message{padding:11px 12px;border-radius:13px;background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.18);color:#bae6fd;font-size:13px;line-height:1.4;margin-bottom:14px}
.sign-out{display:block;margin:24px auto 8px;color:#f87171}
.brand{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:#8fa4c0;font-weight:800}
.home-pixel-art-wrap{height:230px;display:flex;align-items:center;justify-content:center;margin:0 0 2px;overflow:visible}
.home-pixel-art{display:block;height:220px;width:auto;max-width:82%;object-fit:contain;image-rendering:auto;filter:drop-shadow(0 16px 24px rgba(0,0,0,.28))}
.home-title{font-size:38px;line-height:1.02;margin:12px 0 10px;font-weight:900}
.home-sub{color:var(--muted);font-size:16px;line-height:1.45;margin:0 0 30px}
.profile-card{border:0;width:100%;text-align:left;color:white;padding:22px;border-radius:24px;margin:0 0 14px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 18px 45px rgba(0,0,0,.22)}
.profile-card.john{background:linear-gradient(135deg,#2563eb,#0ea5e9)}
.profile-card.kaitlyn{background:linear-gradient(135deg,#ec4899,#fb7185)}
.avatar{width:52px;height:52px;border-radius:18px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-weight:900;font-size:20px;overflow:hidden}
.avatar-image{width:100%;height:100%;display:block;object-fit:cover}
.profile-left{display:flex;gap:14px;align-items:center}
.profile-name{font-size:19px;font-weight:850}
.profile-name-row,.name-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.profile-note{font-size:13px;opacity:.82;margin-top:3px}
.streak-badge{display:inline-flex;align-items:center;white-space:nowrap;border-radius:999px;padding:5px 8px;background:rgba(255,255,255,.17);font-size:12px;font-weight:900;line-height:1}
.topbar .streak-badge{background:rgba(249,115,22,.14);border:1px solid rgba(251,146,60,.2);color:#fdba74}
.arrow{font-size:25px;opacity:.9}
.topbar{padding:18px 18px 8px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:linear-gradient(180deg,var(--bg) 70%,transparent);z-index:3}
.greeting{font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.09em}
.name{font-weight:900;font-size:24px;margin-top:3px}
.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:var(--panel);color:white;font-size:18px;overflow:hidden;padding:0}
.content{padding:10px 18px 24px}
.hero{background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:26px;padding:22px;box-shadow:0 20px 50px var(--ring);margin-bottom:16px}
.hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.hero-label{font-size:13px;opacity:.85;font-weight:700}
.hero-value{font-size:36px;font-weight:950;margin:6px 0 0}
.hero-goal{font-size:13px;opacity:.84}
.progress-track{height:10px;background:rgba(255,255,255,.22);border-radius:999px;margin-top:18px;overflow:hidden}
.progress-fill{height:100%;background:#fff;border-radius:999px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{background:var(--panel);border:1px solid rgba(255,255,255,.05);border-radius:22px;padding:17px}
.card.wide{grid-column:1/-1}
.card-label{color:var(--muted);font-size:12px;font-weight:700}
.card-value{font-size:25px;font-weight:900;margin-top:7px}
.reminder-today{color:#f87171}
.card-sub{font-size:12px;color:var(--muted);margin-top:5px}
.calorie-recommendation{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;padding:14px;background:#0c1729;border-radius:16px}
.recommendation-value{font-size:27px;font-weight:950;margin-top:5px;color:var(--accent2)}
.estimate-note{font-size:11px;line-height:1.45;color:var(--muted);margin:11px 2px 0}
.section-title{font-size:18px;font-weight:900;margin:22px 0 10px}
.quick-btn{border:1px solid rgba(255,255,255,.07);background:var(--panel);color:white;border-radius:18px;padding:15px;text-align:left}
.quick-btn strong{display:block;font-size:15px}
.quick-btn span{font-size:12px;color:var(--muted)}
.profile-picture-settings{display:flex;align-items:center;gap:14px}
.profile-picture-preview{width:72px;height:72px;flex:0 0 72px;border-radius:22px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(135deg,var(--accent),var(--accent2));font-size:25px;font-weight:950}
.profile-picture-actions{flex:1;min-width:0}
.profile-picture-remove{width:100%;border:1px solid rgba(248,113,113,.22);background:rgba(239,68,68,.08);border-radius:15px;padding:12px}
.weight-chart-card{background:var(--panel);border:1px solid rgba(255,255,255,.05);border-radius:22px;padding:15px 12px 10px;overflow:hidden}
.weight-chart-header,.weight-chart-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 4px}
.weight-chart{display:block;width:100%;height:auto;margin-top:10px;overflow:visible}
.chart-day-line{stroke:rgba(255,255,255,.025);stroke-width:1}
.chart-grid-line{stroke:rgba(255,255,255,.08);stroke-width:1}
.chart-axis-label{fill:var(--muted);font-size:9px;font-weight:700}
.chart-weight-line{fill:none;stroke:var(--accent2);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.chart-weight-point{fill:var(--accent);stroke:white;stroke-width:2}
.weight-chart-summary{color:var(--muted);font-size:11px;border-top:1px solid rgba(255,255,255,.05);padding-top:10px}
.weight-manager{margin-top:10px;background:var(--panel);border:1px solid rgba(255,255,255,.05);border-radius:16px;padding:12px 14px}
.weight-manager summary{cursor:pointer;color:var(--accent2);font-size:12px;font-weight:850}
.weight-manager-list{margin-top:10px}
.weight-manager-list .log-item{background:#0c1729;margin:7px 0}
.bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(100%,480px);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(8,16,30,.94);backdrop-filter:blur(18px);border-top:1px solid rgba(255,255,255,.07);padding:9px 10px calc(9px + env(safe-area-inset-bottom));z-index:5}
.nav-btn{border:0;background:transparent;color:#718096;padding:7px 2px;font-size:11px;font-weight:800}
.nav-icon{font-size:19px;display:block;margin-bottom:3px}
.nav-btn.active{color:var(--accent2)}
.panel-title{font-size:28px;font-weight:950;margin:2px 0 6px}
.panel-sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.form-card{background:var(--panel);border-radius:22px;padding:16px;margin-bottom:14px;border:1px solid rgba(255,255,255,.05)}
label{display:block;font-size:12px;color:var(--muted);font-weight:700;margin-bottom:6px}
input,select{width:100%;background:#0c1729;border:1px solid rgba(255,255,255,.08);color:white;border-radius:13px;padding:12px 13px;outline:none}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--ring)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.primary{width:100%;border:0;background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;font-weight:900;border-radius:15px;padding:13px}
.secondary{width:100%;border:1px solid rgba(255,255,255,.09);background:var(--panel2);color:white;font-weight:800;border-radius:15px;padding:12px}
.log-item{background:var(--panel);border-radius:18px;padding:14px 15px;margin:9px 0;border:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center;gap:14px}
.log-name{font-weight:850}
.log-meta{font-size:12px;color:var(--muted);margin-top:4px}
.pill{font-size:11px;font-weight:850;border-radius:999px;padding:7px 10px;background:var(--ring);color:var(--accent2)}
.macro-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:12px}
.macro{background:#0c1729;border-radius:14px;padding:12px;text-align:center}
.macro strong{font-size:18px;display:block}
.macro span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.photo-card{position:relative;aspect-ratio:3/4;background:var(--panel);border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.06)}
.photo-card img{width:100%;height:100%;object-fit:cover}
.photo-date{position:absolute;left:8px;bottom:8px;background:rgba(0,0,0,.65);padding:6px 8px;border-radius:9px;font-size:11px}
.empty{padding:26px;text-align:center;color:var(--muted);background:var(--panel);border-radius:18px}
.small-link{background:none;border:0;color:var(--accent2);font-weight:800;padding:0}
.delete{background:none;border:0;color:#f87171;font-size:12px;font-weight:800}
@media (min-width:700px){body{background:#030812}.shell{box-shadow:0 0 70px rgba(0,0,0,.55)}}
@media (max-height:760px){.home-pixel-art-wrap{height:170px}.home-pixel-art{height:165px}.home-title{font-size:34px}.home-sub{margin-bottom:20px}}