:root {
  --surface:#f9f9ff; --surface-low:#f0f3ff; --surface-card:#ffffff; --surface-high:#e7eefe;
  --text:#151c27; --muted:#5e6472; --outline:#d8ddea; --primary:#1a56db; --primary-dark:#003fb1;
  --primary-soft:#e8edff; --success:#10b981; --success-soft:#e7f8f1; --danger:#ba1a1a; --danger-soft:#ffdad6;
  --radius:16px; --radius-sm:10px; --shadow:0 4px 20px rgba(21,28,39,.05); --max:1200px;
}
*{box-sizing:border-box} html{background:var(--surface)} body{margin:0;color:var(--text);background:var(--surface);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none} button,input,select,textarea{font:inherit} button{cursor:pointer}
.topbar{position:sticky;top:0;z-index:20;background:rgba(249,249,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(216,221,234,.85)}
.topbar-inner{max-width:var(--max);height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em}.brand-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--primary);color:white;font-size:21px}.desktop-nav{display:flex;gap:8px;margin-left:auto}.desktop-nav a{padding:10px 12px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:650}.desktop-nav a:hover,.desktop-nav a.active{color:var(--primary-dark);background:var(--primary-soft)}.user-chip{font-size:12px;font-weight:700;padding:8px 10px;border-radius:999px;background:var(--surface-high);max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.page-shell{max-width:var(--max);margin:auto;padding:38px 20px 96px}.page-heading{margin-bottom:26px}.split-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.eyebrow,.card-label{margin:0 0 6px;text-transform:uppercase;font-size:12px;line-height:16px;letter-spacing:.06em;font-weight:750;color:var(--muted)}h1{font-size:30px;line-height:38px;letter-spacing:-.02em;margin:0 0 6px}h2{font-size:20px;line-height:28px;margin:0}.muted{color:var(--muted);margin:0}.card{background:var(--surface-card);border:1px solid #eef0f7;border-radius:var(--radius);box-shadow:var(--shadow)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:12px;border:1px solid transparent;font-weight:750;font-size:14px}.button.primary{background:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-dark)}.button.secondary{border-color:var(--outline);background:white;color:var(--text)}.button[disabled]{opacity:.5;cursor:not-allowed}.flash-stack{display:grid;gap:8px;margin-bottom:20px}.flash{padding:12px 14px;border-radius:12px;font-weight:650}.flash.success{background:var(--success-soft);color:#006c49}.flash.error{background:var(--danger-soft);color:#93000a}
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:16px}.hero-card,.compact-card{padding:26px}.metric-display{font-size:48px;line-height:56px;font-weight:800;letter-spacing:-.04em}.metric-display.small{font-size:38px;line-height:44px}.metric-display span,.metric-large span{font-size:.38em;font-weight:650;color:var(--muted);letter-spacing:0}.metric-large{font-size:31px;line-height:38px;font-weight:800;letter-spacing:-.03em}.trend{margin-top:8px;font-size:13px;font-weight:700;color:var(--muted)}.trend.positive{color:#00714d}.goal-note{margin-top:12px;color:var(--primary-dark);font-size:13px;font-weight:700}.status{display:inline-flex;margin-top:10px;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:750}.status.neutral{background:var(--surface-high);color:var(--muted)}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.metric-card{padding:22px;min-height:180px}.icon-badge,.setting-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--primary-soft);color:var(--primary-dark);font-weight:850;margin-bottom:20px}.reference-card{background:linear-gradient(145deg,#fff,#f3f6ff)}.reference-card p{color:var(--muted);font-size:14px;margin:12px 0 0}.empty-state{padding:52px 28px;text-align:center;max-width:720px;margin:40px auto}.empty-state h2{font-size:24px;margin:12px 0 8px}.empty-state p{color:var(--muted);max-width:580px;margin:0 auto 22px}.empty-icon{width:58px;height:58px;margin:auto;border-radius:18px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:30px}
.form-card{padding:26px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.form-grid.compact{gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field>span{font-size:12px;line-height:16px;letter-spacing:.05em;text-transform:uppercase;font-weight:750;color:var(--muted)}.field input,.field select,.field textarea{width:100%;border:1px solid var(--outline);background:#fff;color:var(--text);border-radius:9px;padding:12px 13px;outline:0;min-height:46px}.field textarea{resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,86,219,.11)}.field small{color:var(--muted)}.field.readout{padding:13px;background:var(--surface-low);border-radius:10px}.field.readout strong{font-size:16px}.full-field{margin-top:20px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}
.segmented{display:flex;gap:5px;background:var(--surface-high);padding:4px;border-radius:12px;width:max-content;max-width:100%;overflow:auto}.segmented a{white-space:nowrap;padding:8px 12px;border-radius:9px;color:var(--muted);font-weight:700;font-size:13px}.segmented a.active{background:#fff;color:var(--primary-dark);box-shadow:0 1px 5px rgba(0,0,0,.06)}.metric-switch{margin-bottom:16px}.chart-card{padding:24px}.chart-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.trend-chart{height:310px;margin-top:16px}.trend-chart svg{width:100%;height:270px;overflow:visible}.chart-axis{stroke:#e4e8f2;stroke-width:1}.chart-line{fill:none;stroke:var(--primary);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.chart-dot{fill:#fff;stroke:var(--primary);stroke-width:3}.chart-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.chart-empty{height:260px;display:grid;place-items:center;color:var(--muted)}.history-section{margin-top:28px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.section-title>span{color:var(--muted);font-size:13px}.history-list{display:grid;gap:10px}.history-row{display:grid;grid-template-columns:1fr auto 42px;align-items:center;padding:15px 16px;gap:16px}.history-row>div:first-child{display:flex;flex-direction:column}.history-row span{font-size:12px;color:var(--muted)}.history-value{font-variant-numeric:tabular-nums}.icon-button{border:0;background:transparent;width:36px;height:36px;border-radius:10px;font-size:22px}.icon-button.danger{color:var(--danger)}.icon-button:hover{background:var(--danger-soft)}
.profile-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px}.profile-card{padding:24px}.goals-card .field+.field{margin-top:18px}.settings-card{padding:24px;margin-top:16px}.setting-row{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;padding:17px 0;border-top:1px solid #eef0f7}.setting-row:first-of-type{border-top:0}.setting-row .setting-icon{margin:0}.setting-row>div:nth-child(2){display:flex;flex-direction:column}.setting-row span{color:var(--muted);font-size:13px}.sticky-actions{position:sticky;bottom:76px;z-index:5}.mobile-nav{display:none}
@media (max-width:800px){.topbar-inner{height:62px}.desktop-nav,.user-chip{display:none}.page-shell{padding-top:24px;padding-bottom:104px}.split-heading{align-items:stretch;flex-direction:column}.split-heading .button{align-self:flex-start}h1{font-size:24px;line-height:32px}.hero-grid,.metric-grid,.profile-grid,.form-grid{grid-template-columns:1fr}.metric-grid{gap:12px}.metric-card{min-height:auto}.chart-header{flex-direction:column}.trend-chart{height:270px}.trend-chart svg{height:230px}.history-row{grid-template-columns:1fr auto 36px}.settings-card{padding:18px}.setting-row{grid-template-columns:40px 1fr}.setting-row>.button,.setting-row>.status{grid-column:2}.mobile-nav{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:30;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.96);border-top:1px solid var(--outline);padding:6px 8px calc(6px + env(safe-area-inset-bottom));backdrop-filter:blur(14px)}.mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:5px 2px;color:var(--muted);font-size:10px;font-weight:700}.mobile-nav a span{font-size:20px;line-height:22px}.mobile-nav a.active{color:var(--primary)}.sticky-actions{bottom:78px}}
@media (max-width:480px){.page-shell{padding-left:16px;padding-right:16px}.hero-card,.compact-card,.form-card,.profile-card,.chart-card{padding:20px}.metric-display{font-size:42px}.periods{width:100%}.periods a{flex:1;text-align:center}}