*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--green: #16a34a;--green-strong: #0f7a37;--green-deep: #0b4f2a;--green-light: #dcfce7;--green-dark: #14532d;--mint: #eaf8ef;--cream: #fffdf4;--peach: #ffe2bf;--red: #dc2626;--red-light: #fee2e2;--yellow: #ca8a04;--yellow-light: #fef9c3;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--bg: radial-gradient(circle at top, #f6fff8 0%, #edf8f0 38%, #e8f4ea 100%);--card: #ffffff;--radius: 16px;--radius-sm: 10px;--shadow: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);--shadow-xl: 0 30px 60px rgba(15, 84, 45, 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#e5e7eb}.leaderboard-row.is-me{background:#f0fdf4;border-color:#86efac}.leaderboard-rank{min-width:38px;font-size:1rem;font-weight:900;color:#14532d;text-align:center}.tab-bar{display:flex;background:#fff;border-radius:100px;padding:4px;box-shadow:var(--shadow);gap:2px}.tab-btn{flex:1;padding:.5rem;border-radius:100px;font-size:13px;font-weight:700;background:transparent;color:var(--gray-500);text-align:center}.tab-btn.active{background:var(--green);color:#fff}.auth-shell{position:relative;min-height:100vh;overflow:hidden;padding:1rem}.auth-bg{position:absolute;border-radius:999px;filter:blur(14px);pointer-events:none}.auth-bg-top{width:340px;height:340px;top:-110px;right:-90px;background:radial-gradient(circle,#fbbf2438,#fbbf2400 72%)}.auth-bg-bottom{width:420px;height:420px;left:-160px;bottom:-180px;background:radial-gradient(circle,#16a34a29,#16a34a00 72%)}.auth-layout{position:relative;z-index:1;max-width:520px;margin:0 auto;min-height:calc(100vh - 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#16a34a14}.main-text-button{background:none;color:#94a3b8;font-size:12px;font-weight:700}.main-content{flex:1;padding:1rem}.main-bottom-nav{position:sticky;bottom:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;padding:.75rem 1rem calc(.75rem + env(safe-area-inset-bottom));background:#ffffffe6;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid rgba(209,229,216,.85)}.main-nav-item{padding:.6rem .35rem;border-radius:16px;background:transparent;color:#94a3b8;display:flex;flex-direction:column;align-items:center;gap:.18rem;font-size:1.15rem;transition:all .18s ease}.main-nav-item.is-active{background:linear-gradient(180deg,#ebfbef,#dcfce7);color:#14532d;box-shadow:inset 0 0 0 1px #16a34a14;transform:translateY(-1px)}.main-nav-label{font-size:10px;font-weight:800}.today-screen{padding:0 0 5rem}.today-screen .card{margin-bottom:1rem;border:1px solid rgba(221,232,224,.95);box-shadow:0 18px 35px 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#2563eb0d}.today-water-card>p:last-child{margin-top:.65rem!important;color:#64748b!important}.today-meals-card{background:linear-gradient(180deg,#fff,#fbfdfb)}.today-calorie-banner{box-shadow:inset 0 0 0 1px #fb923c14}.today-meals-list{gap:.75rem!important}.today-meals-list .meal-slot{padding:.95rem;border-radius:16px;background:#ffffffeb;box-shadow:0 10px 22px #0f542d0a}.today-meals-list .meal-slot:hover{transform:translateY(-1px)}.today-meals-card>p:last-child{border-radius:12px!important;padding:.7rem .8rem!important}.meal-slot{border:2px dashed var(--gray-200);border-radius:var(--radius-sm);padding:1rem;display:flex;align-items:center;gap:.75rem;cursor:pointer;transition:all .15s}.meal-slot:hover{border-color:var(--green);background:var(--green-light)}.meal-slot.filled{border-style:solid;border-color:var(--green);background:var(--green-light)}.meal-slot.unhealthy{border-color:var(--red);background:var(--red-light)}.water-btn{background:#dbeafe;color:#1e40af;border-radius:var(--radius-sm);padding:.5rem;font-size:1.5rem;text-align:center;cursor:pointer;transition:all .15s;border:2px solid transparent}.water-btn:hover{border-color:#3b82f6}.water-btn.filled{background:#3b82f6;border-color:#2563eb}.msg-bubble{padding:.6rem .9rem;border-radius:18px;max-width:80%;word-break:break-word;font-size:14px;line-height:1.5}.msg-mine{background:var(--green);color:#fff;border-bottom-right-radius:4px;margin-left:auto}.msg-other{background:#fff;color:var(--gray-800);border-bottom-left-radius:4px;box-shadow:var(--shadow)}.progress-bar{background:var(--gray-200);border-radius:100px;height:8px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#16a34a,#22c55e);border-radius:100px;transition:width .5s ease}.avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:#fff;flex-shrink:0}.day-chip{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;cursor:default;flex-shrink:0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:flex-end;justify-content:center;z-index:100;padding:1rem}.modal{background:#fff;border-radius:24px 24px 16px 16px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;padding:1.5rem}.modal-handle{width:40px;height:4px;background:var(--gray-200);border-radius:100px;margin:0 auto 1.25rem}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.trophy-bounce{animation:bounce .6s ease}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@media (max-width: 420px){.leaderboard-podium{grid-template-columns:1fr}.podium-card.is-first{transform:none}}@media (min-width: 640px){.main-shell{max-width:900px}.main-content{padding:1.25rem}.main-bottom-nav{width:min(560px,calc(100% - 2rem));margin:0 auto 1rem;border:1px solid rgba(209,229,216,.9);border-radius:24px;box-shadow:0 20px 40px #0f542d14}.auth-shell{padding:1.5rem}.auth-layout{max-width:640px;min-height:calc(100vh - 3rem);gap:1.5rem}.auth-card{padding:1.35rem;border-radius:28px}.auth-card-title{font-size:1.5rem}.auth-highlights{grid-template-columns:repeat(2,minmax(0,1fr))}.today-water-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important}}@media (min-width: 920px){.auth-layout{max-width:1120px;min-height:calc(100vh - 4rem);grid-template-columns:minmax(0,1.1fr) minmax(360px,420px);gap:2rem;align-items:center}.auth-hero{padding:1rem 1rem 1rem 0;text-align:left}.auth-badge{margin:0 0 1.4rem}.auth-highlights{grid-template-columns:repeat(3,minmax(0,1fr));max-width:700px}.auth-title{max-width:12ch;font-size:clamp(2.8rem,5vw,4.8rem);line-height:.95}.auth-subtitle{max-width:520px;font-size:1.05rem;line-height:1.7;margin-bottom:1.8rem}.auth-card{padding:1.4rem;border-radius:30px}.auth-card-title{font-size:1.55rem}}