:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17,24,39,.7);
  --bg-glass: rgba(255,255,255,.04);
  --border: rgba(255,255,255,.08);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #06d6a0;
  --accent-hover: #05c492;
  --accent2: #118ab2;
  --gradient: linear-gradient(135deg,#06d6a0,#118ab2);
  --gradient-warm: linear-gradient(135deg,#f72585,#b5179e);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.4);
  --shadow-glow: 0 0 30px rgba(6,214,160,.15);
  --radius: 12px;
  --radius-lg: 20px;
  --font-main: 'Inter',system-ui,sans-serif;
  --font-display: 'Outfit',system-ui,sans-serif;
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse at 20% 0%,rgba(6,214,160,.06),transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(17,138,178,.06),transparent 50%);pointer-events:none;z-index:0}
#app{position:relative;z-index:1}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-hover)}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
input,textarea,select{font-family:inherit;outline:none}
img{max-width:100%;display:block}

/* Scrollbar */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* Utility */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.glass{background:var(--bg-glass);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-weight:600;font-size:.9rem;transition:all var(--transition)}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 20px rgba(6,214,160,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(6,214,160,.35)}
.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.btn-outline:hover{background:rgba(6,214,160,.1)}
.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 16px}
.btn-ghost:hover{color:var(--text-primary);background:var(--bg-glass)}
.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600;background:rgba(6,214,160,.12);color:var(--accent)}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
.fade-in{animation:fadeIn .5s ease both}
.slide-up{animation:slideUp .6s ease both}

/* Page transition */
.page-enter{animation:fadeIn .35s ease both}

/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:12px 0;transition:all var(--transition)}
.navbar.scrolled{background:rgba(10,14,26,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.4rem}
.nav-logo span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-logo-icon{width:34px;height:34px;border-radius:10px;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1rem}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{padding:8px 16px;border-radius:8px;color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:all var(--transition)}
.nav-link:hover,.nav-link.active{color:var(--text-primary);background:var(--bg-glass)}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:80px}
.hero-content{text-align:center;max-width:720px;margin:0 auto}
.hero h1{font-family:var(--font-display);font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;line-height:1.15;margin-bottom:20px}
.hero h1 .gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.15rem;color:var(--text-secondary);margin-bottom:36px;max-width:540px;margin-left:auto;margin-right:auto}

/* Search */
.search-box{position:relative;max-width:600px;margin:0 auto 20px}
.search-box input{width:100%;padding:16px 56px 16px 20px;border-radius:var(--radius-lg);background:var(--bg-card);border:1.5px solid var(--border);color:var(--text-primary);font-size:1rem;transition:all var(--transition)}
.search-box input::placeholder{color:var(--text-muted)}
.search-box input:focus{border-color:var(--accent);box-shadow:var(--shadow-glow)}
.search-box .search-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:12px;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:all var(--transition)}
.search-box .search-btn:hover{transform:translateY(-50%) scale(1.05)}
.search-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:20px}
.search-tab{padding:8px 20px;border-radius:20px;font-size:.85rem;font-weight:500;color:var(--text-muted);background:transparent;border:1px solid transparent;transition:all var(--transition);cursor:pointer}
.search-tab.active{color:var(--accent);background:rgba(6,214,160,.08);border-color:rgba(6,214,160,.2)}

/* Results */
.results-panel{max-width:800px;margin:0 auto;padding:20px 0}
.result-card{display:flex;gap:16px;padding:16px;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border);margin-bottom:12px;transition:all var(--transition);animation:fadeIn .4s ease both}
.result-card:hover{border-color:rgba(6,214,160,.2);transform:translateY(-2px)}
.result-card .rc-img{width:64px;height:64px;border-radius:10px;background:var(--bg-glass);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.result-card .rc-info{flex:1;min-width:0}
.result-card .rc-info h4{font-size:.95rem;font-weight:600;margin-bottom:4px}
.result-card .rc-info p{font-size:.8rem;color:var(--text-secondary);margin-bottom:6px}
.result-card .rc-actions{display:flex;gap:8px;flex-wrap:wrap}
.rc-buy{padding:6px 14px;border-radius:8px;font-size:.75rem;font-weight:600;background:rgba(6,214,160,.1);color:var(--accent);border:1px solid rgba(6,214,160,.2);transition:all var(--transition)}
.rc-buy:hover{background:rgba(6,214,160,.2)}

/* Combo badge */
.combo-header{padding:12px 16px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(6,214,160,.08),rgba(17,138,178,.08));border:1px solid rgba(6,214,160,.15);margin-bottom:12px;display:flex;align-items:center;gap:10px}
.combo-header i{font-size:1.3rem;color:var(--accent)}
.combo-header .combo-title{font-weight:600;font-size:.9rem}
.combo-header .combo-sub{font-size:.8rem;color:var(--text-secondary)}

/* Features grid */
.features{padding:80px 0}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.feature-card{padding:28px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);transition:all var(--transition)}
.feature-card:hover{border-color:rgba(6,214,160,.2);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-card .fc-icon{width:48px;height:48px;border-radius:12px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff;margin-bottom:16px}
.feature-card h3{font-family:var(--font-display);font-size:1.1rem;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:.85rem;color:var(--text-secondary);line-height:1.5}

/* Auth */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{width:100%;max-width:420px;padding:40px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);backdrop-filter:blur(20px)}
.auth-card h2{font-family:var(--font-display);font-size:1.6rem;margin-bottom:8px;text-align:center}
.auth-card .auth-sub{text-align:center;color:var(--text-secondary);font-size:.9rem;margin-bottom:28px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
.form-input{width:100%;padding:12px 16px;border-radius:var(--radius);background:var(--bg-secondary);border:1.5px solid var(--border);color:var(--text-primary);font-size:.95rem;transition:all var(--transition)}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(6,214,160,.1)}
.otp-inputs{display:flex;gap:10px;justify-content:center;margin:24px 0}
.otp-inputs input{width:48px;height:56px;text-align:center;font-size:1.3rem;font-weight:700;border-radius:var(--radius);background:var(--bg-secondary);border:1.5px solid var(--border);color:var(--text-primary);transition:all var(--transition)}
.otp-inputs input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(6,214,160,.1)}
.auth-card .btn{width:100%;justify-content:center;padding:14px}

/* Dashboard */
.dash-layout{display:flex;min-height:100vh;padding-top:64px}
.sidebar{width:260px;position:fixed;top:64px;bottom:0;left:0;background:var(--bg-secondary);border-right:1px solid var(--border);padding:20px 12px;overflow-y:auto;transition:transform var(--transition);z-index:50}
.sidebar-link{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:10px;color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:all var(--transition);margin-bottom:2px}
.sidebar-link:hover{color:var(--text-primary);background:var(--bg-glass)}
.sidebar-link.active{color:var(--accent);background:rgba(6,214,160,.08)}
.sidebar-link i{font-size:1.15rem;width:22px;text-align:center}
.dash-main{flex:1;margin-left:260px;padding:24px 28px}
.dash-header{margin-bottom:28px}
.dash-header h1{font-family:var(--font-display);font-size:1.8rem;font-weight:700}
.dash-header p{color:var(--text-secondary);font-size:.95rem;margin-top:4px}

/* Cards grid */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-bottom:24px}
.stat-card{padding:22px;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border)}
.stat-card .sc-label{font-size:.8rem;color:var(--text-muted);font-weight:500;margin-bottom:4px}
.stat-card .sc-value{font-family:var(--font-display);font-size:1.6rem;font-weight:700}

/* Form styles for NutriGPT / MenuGPT */
.form-card{padding:28px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);margin-bottom:20px}
.form-card h3{font-family:var(--font-display);font-size:1.15rem;margin-bottom:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chip{padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:500;background:var(--bg-glass);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}
.chip.selected{background:rgba(6,214,160,.12);border-color:rgba(6,214,160,.3);color:var(--accent)}
.chip:hover{border-color:var(--accent)}

/* Health records */
.record-timeline{position:relative;padding-left:24px}
.record-timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--border)}
.record-item{position:relative;padding:16px;margin-bottom:16px;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border)}
.record-item::before{content:'';position:absolute;left:-20px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-primary)}
.record-item .ri-date{font-size:.75rem;color:var(--text-muted);margin-bottom:4px}
.record-item .ri-title{font-weight:600;font-size:.9rem;margin-bottom:4px}
.record-item .ri-type{font-size:.8rem;color:var(--text-secondary)}

/* Upload area */
.upload-area{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:40px;text-align:center;cursor:pointer;transition:all var(--transition)}
.upload-area:hover{border-color:var(--accent);background:rgba(6,214,160,.03)}
.upload-area i{font-size:2.4rem;color:var(--text-muted);margin-bottom:12px}
.upload-area p{color:var(--text-secondary);font-size:.9rem}

/* Chat widget */
.chat-fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--gradient);color:#fff;font-size:1.4rem;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 30px rgba(6,214,160,.3);z-index:200;transition:all var(--transition)}
.chat-fab:hover{transform:scale(1.08)}
.chat-panel{position:fixed;bottom:92px;right:24px;width:380px;max-height:520px;border-radius:var(--radius-lg);background:var(--bg-secondary);border:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:200;display:flex;flex-direction:column;transform:scale(.9) translateY(20px);opacity:0;pointer-events:none;transition:all .3s ease}
.chat-panel.open{transform:scale(1) translateY(0);opacity:1;pointer-events:all}
.chat-header{padding:16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.chat-header h4{font-size:.95rem;font-weight:600}
.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.chat-msg{max-width:80%;padding:10px 14px;border-radius:14px;font-size:.85rem;line-height:1.5}
.chat-msg.user{align-self:flex-end;background:var(--accent);color:#0a0e1a;border-bottom-right-radius:4px}
.chat-msg.bot{align-self:flex-start;background:var(--bg-glass);border:1px solid var(--border);border-bottom-left-radius:4px}
.chat-input-area{padding:12px;border-top:1px solid var(--border);display:flex;gap:8px}
.chat-input-area input{flex:1;padding:10px 14px;border-radius:10px;background:var(--bg-primary);border:1px solid var(--border);color:var(--text-primary);font-size:.85rem}
.chat-input-area input:focus{border-color:var(--accent)}
.chat-input-area button{width:38px;height:38px;border-radius:10px;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem}
.voice-btn{width:38px;height:38px;border-radius:10px;background:var(--bg-glass);border:1px solid var(--border);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--transition)}
.voice-btn.listening{background:rgba(247,37,133,.15);border-color:rgba(247,37,133,.3);color:#f72585;animation:pulse 1.5s infinite}

/* Report */
.report-section{margin-bottom:24px}
.report-section h3{font-family:var(--font-display);font-size:1rem;font-weight:600;margin-bottom:12px;color:var(--accent)}
.nutrient-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.nutrient-item{padding:10px 14px;border-radius:8px;background:var(--bg-glass);border:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.nutrient-item .ni-name{font-size:.8rem;color:var(--text-secondary)}
.nutrient-item .ni-value{font-size:.85rem;font-weight:600}
.nutrient-item .ni-bar{height:3px;background:var(--border);border-radius:2px;margin-top:6px}
.nutrient-item .ni-bar-fill{height:100%;background:var(--gradient);border-radius:2px;transition:width .6s ease}

/* Menu card */
.menu-day{border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border);margin-bottom:12px;overflow:hidden}
.menu-day-header{padding:12px 16px;background:var(--bg-glass);font-weight:600;font-size:.9rem;border-bottom:1px solid var(--border)}
.menu-meal{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;gap:12px}
.menu-meal:last-child{border-bottom:none}
.menu-meal .mm-type{font-size:.75rem;font-weight:600;color:var(--accent);min-width:60px}
.menu-meal .mm-content{font-size:.85rem;color:var(--text-secondary)}

/* Responsive */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .dash-main{margin-left:0;padding:16px}
  .form-row{grid-template-columns:1fr}
  .nav-links .nav-link:not(.btn){display:none}
  .chat-panel{right:8px;left:8px;width:auto;bottom:84px}
  .hero h1{font-size:2rem}
}