:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #252540;--bg-input: #1e1e35;--text-primary: #e8e8f0;--text-secondary: #a0a0b8;--text-muted: #6b6b80;--accent: #4a9eff;--accent-hover: #3a8eef;--success: #4ecdc4;--warning: #ffe66d;--danger: #ff6b6b;--border: #2a2a45;--radius: 12px;--radius-sm: 8px;--shadow: 0 2px 8px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}#app{min-height:100dvh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.app-title{font-size:1.1rem;font-weight:700;color:var(--accent)}.bottom-nav{display:flex;justify-content:space-around;background:var(--bg-secondary);border-top:1px solid var(--border);padding:8px 0 calc(8px + env(safe-area-inset-bottom));position:fixed;bottom:0;left:0;right:0;z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;text-decoration:none;color:var(--text-muted);font-size:.7rem;padding:4px 12px;transition:color .2s}.nav-item.active{color:var(--accent)}.nav-icon{font-size:1.3rem;margin-bottom:2px}#view-container{flex:1;padding:16px;padding-bottom:calc(80px + env(safe-area-inset-bottom));max-width:600px;margin:0 auto;width:100%}.card{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}.card-title{font-size:.85rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;transition:background .2s,transform .1s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-full{width:100%}.btn-success{background:var(--success);color:#000}.btn-danger{background:var(--danger);color:#fff}input,select,textarea{width:100%;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:1rem;margin-bottom:10px;outline:none;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:4px}.login-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:24px}.login-title{font-size:2rem;font-weight:800;color:var(--accent);margin-bottom:4px}.login-subtitle{color:var(--text-muted);margin-bottom:32px}.login-form{width:100%;max-width:320px}.error-text{color:var(--danger);font-size:.85rem;text-align:center;margin-top:8px}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-danger{color:var(--danger)}.text-accent{color:var(--accent)}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.scale-row{display:flex;gap:8px}.scale-btn{flex:1;padding:10px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:1rem;font-weight:600;cursor:pointer;text-align:center;transition:all .15s}.scale-btn.selected{background:var(--accent);color:#fff;border-color:var(--accent)}.exercise-card{background:var(--bg-input);border-radius:var(--radius-sm);padding:12px;margin-bottom:8px}.exercise-name{font-weight:600;margin-bottom:4px}.exercise-detail{font-size:.85rem;color:var(--text-secondary)}.exercise-tag{display:inline-block;padding:2px 8px;background:var(--bg-card);border-radius:4px;font-size:.75rem;color:var(--text-muted);margin-right:4px;margin-top:4px}.meal-photo{width:100%;border-radius:var(--radius-sm);margin-bottom:8px;object-fit:cover;max-height:200px}.macro-bar{display:flex;gap:12px;font-size:.85rem}.macro-item{display:flex;flex-direction:column;align-items:center}.macro-value{font-weight:700;font-size:1.1rem}.macro-label{color:var(--text-muted);font-size:.7rem;text-transform:uppercase}.modal{position:fixed;inset:0;background:#000000d9;z-index:200;display:flex;align-items:flex-end;justify-content:center}.modal-content{background:var(--bg-secondary);border-radius:var(--radius) var(--radius) 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom));width:100%;max-width:600px;max-height:90dvh;overflow-y:auto}.photo-upload-area{background:var(--bg-input);border:2px dashed var(--border);border-radius:var(--radius-sm);padding:24px 16px;text-align:center;cursor:pointer;transition:border-color .2s}.photo-upload-area:active{border-color:var(--accent)}.macro-edit-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.macro-edit-grid .macro-edit-item:first-child{grid-column:1 / -1}.macro-edit-item label{font-size:.8rem;margin-bottom:2px}.macro-edit-item input{margin-bottom:0;text-align:center;font-size:1.1rem;font-weight:600}.photo-overlay{position:fixed;inset:0;background:#000000f2;z-index:300;display:flex;align-items:center;justify-content:center;cursor:pointer}.meal-card .macro-bar{justify-content:space-between}.meal-photo-thumb{width:100%;border-radius:var(--radius-sm);margin-bottom:8px;object-fit:cover;max-height:180px}