@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--bg-color:#f7f9fc;--surface-color:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--primary-color:#3b82f6;--primary-hover:#2563eb;--danger-color:#ef4444;--danger-hover:#dc2626;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--font-family:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5}#root{background-color:var(--bg-color);max-width:600px;min-height:100vh;box-shadow:var(--shadow-lg);flex-direction:column;margin:0 auto;display:flex}h1,h2,h3,h4{color:var(--text-primary);font-weight:600}.app-container{flex-direction:column;height:100vh;display:flex;overflow:hidden}.header{background:var(--surface-color);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);z-index:10;padding:16px 20px 12px}.header-title{background:linear-gradient(135deg,#2563eb,#3b82f6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:2px;font-size:24px;font-weight:700}.header-subtitle{color:var(--text-secondary);font-size:14px}.main-content{scroll-behavior:smooth;flex:1;padding:16px 16px 90px;overflow-y:auto}.bottom-nav{background:var(--surface-color);z-index:20;border-top-left-radius:20px;border-top-right-radius:20px;justify-content:space-around;width:100%;max-width:600px;padding:10px 0 20px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 -4px 20px #0000000d}.nav-item{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-md);background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:8px 12px;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s;display:flex}.nav-item.active{color:var(--primary-color)}.nav-item:active{background:#3b82f61a;transform:scale(.95)}.person-card{background:var(--surface-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid #e2e8f099;margin-bottom:12px;padding:16px;transition:transform .2s,box-shadow .2s}.person-card:active{transform:scale(.99)}.person-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.person-name{align-items:center;gap:12px;font-size:20px;font-weight:600;display:flex}.person-avatar{border-radius:var(--radius-full);color:#4f46e5;background:linear-gradient(135deg,#e0e7ff,#c7d2fe);justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;font-weight:700;display:flex}.last-reading{color:var(--text-secondary);text-align:right;font-size:13px}.last-reading-value{color:var(--text-primary);font-size:18px;font-weight:700}.log-action-row{background:var(--bg-color);border-radius:var(--radius-md);align-items:center;gap:10px;padding:6px;display:flex}.log-type{margin-top:12px}.log-type-head{justify-content:space-between;align-items:baseline;margin-bottom:6px;padding:0 2px;display:flex}.log-type-label{color:var(--text-primary);font-size:14px;font-weight:600}.log-type-last{color:var(--text-secondary);font-size:13px}.history-person-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.history-type-chip{color:var(--primary-color);border-radius:var(--radius-full);background:#3b82f61a;padding:2px 8px;font-size:11px;font-weight:600}.chart-title{color:var(--text-primary);margin-bottom:10px;padding-left:4px;font-size:16px;font-weight:600}.sugar-input-wrapper{flex:1;position:relative}.sugar-input{border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--surface-color);width:100%;color:var(--text-primary);text-align:center;outline:none;padding:12px;font-size:20px;font-weight:600;transition:all .2s}.sugar-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f633}.sugar-input::placeholder{color:#94a3b8;font-weight:400}.log-btn{background:var(--primary-color);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;align-items:center;gap:6px;padding:12px 20px;font-family:inherit;font-size:18px;font-weight:600;transition:all .2s;display:flex}.log-btn:active{background:var(--primary-hover);transform:scale(.95)}.log-btn:disabled{cursor:not-allowed;background:#cbd5e1;transform:none}.add-person-btn{border:2px dashed var(--border-color);border-radius:var(--radius-lg);width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:8px;margin-bottom:20px;padding:14px;font-family:inherit;font-size:16px;font-weight:600;transition:all .2s;display:flex}.add-person-btn:active{background:var(--surface-color);border-color:var(--primary-color);color:var(--primary-color)}.new-person-card{border-color:var(--primary-color);box-shadow:0 0 0 2px #3b82f633}.history-item{background:var(--surface-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:10px;padding:16px;display:flex}.history-details{flex-direction:column;gap:2px;display:flex}.history-person{font-size:16px;font-weight:600}.history-time{color:var(--text-secondary);font-size:13px}.history-value{color:var(--primary-color);font-size:24px;font-weight:700}.history-actions{gap:8px;display:flex}.icon-btn{color:var(--text-secondary);border-radius:var(--radius-full);cursor:pointer;background:0 0;border:none;padding:6px;transition:background .2s}.icon-btn:active{background:var(--bg-color)}.icon-btn.danger{color:var(--danger-color)}.text-center{text-align:center}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.loader-container{justify-content:center;align-items:center;height:150px;display:flex}.spinner{border:4px solid #3b82f633;border-left-color:var(--primary-color);border-radius:50%;width:32px;height:32px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.toast{color:#fff;border-radius:var(--radius-full);box-shadow:var(--shadow-lg);z-index:100;pointer-events:none;background:#10b981;padding:10px 20px;font-size:14px;font-weight:600;animation:.3s slideDown,.3s 2s forwards fadeOut;position:fixed;top:16px;left:50%;transform:translate(-50%)}@keyframes slideDown{0%{opacity:0;top:-50px}to{opacity:1;top:16px}}@keyframes fadeOut{to{opacity:0;visibility:hidden}}