*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #3b82f6;--primary-hover: #2563eb;--primary-light: #dbeafe;--success: #22c55e;--success-light: #dcfce7;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--bg: #f1f5f9;--card: #ffffff;--text: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border: #e2e8f0;--input-bg: #f8fafc;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1), 0 4px 6px rgba(0, 0, 0, .05);--radius: 10px;--radius-sm: 6px;--radius-lg: 16px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:60vh}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px;background:var(--card);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}.navbar-brand{font-size:1.25rem;font-weight:700;color:var(--primary);cursor:pointer;letter-spacing:-.02em}.navbar-links{display:flex;gap:4px}.nav-link{background:none;border:none;padding:8px 16px;font-size:.875rem;font-weight:500;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all .15s;font-family:var(--font)}.nav-link:hover{background:var(--bg);color:var(--text)}.nav-link.active{background:var(--primary-light);color:var(--primary)}.navbar-actions{display:flex;align-items:center;gap:12px}.nav-user{font-size:.875rem;color:var(--text-secondary);font-weight:500}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;font-size:.875rem;font-weight:600;font-family:var(--font);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-secondary)}.btn-outline:hover:not(:disabled){background:var(--bg);border-color:var(--text-muted)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-full{width:100%}.link-btn{background:none;border:none;color:var(--primary);font-weight:600;cursor:pointer;font-size:inherit;font-family:var(--font);padding:0}.link-btn:hover{text-decoration:underline}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.8rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em}.form-input{padding:10px 14px;font-size:.95rem;font-family:var(--font);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text);transition:border-color .15s,box-shadow .15s;outline:none;width:100%}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f626}.form-input::placeholder{color:var(--text-muted)}select.form-input{cursor:pointer}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.radio-group{display:flex;gap:16px;padding-top:4px}.radio-label{display:flex;align-items:center;gap:6px;font-size:.9rem;cursor:pointer;color:var(--text)}.radio-label input[type=radio]{accent-color:var(--primary);width:16px;height:16px}.height-inputs{display:flex;align-items:center;gap:6px}.height-inputs .form-input{width:70px}.height-sep{font-size:.8rem;color:var(--text-muted);font-weight:500}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500}.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #fecaca}.alert-success{background:var(--success-light);color:#15803d;border:1px solid #bbf7d0}.card{background:var(--card);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}.card-title{font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:4px}.card-subtitle{font-size:.875rem;color:var(--text-muted);margin-bottom:20px}.auth-main{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.auth-page{width:100%;display:flex;justify-content:center}.auth-card{width:100%;max-width:420px;background:var(--card);border-radius:var(--radius-lg);padding:40px 32px;box-shadow:var(--shadow-lg)}.auth-header{text-align:center;margin-bottom:28px}.auth-logo{font-size:2rem;font-weight:800;color:var(--primary);letter-spacing:-.03em;margin-bottom:4px}.auth-subtitle{color:var(--text-muted);font-size:.95rem}.auth-tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:24px}.auth-tab{flex:1;background:none;border:none;padding:12px;font-size:.95rem;font-weight:600;font-family:var(--font);color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s}.auth-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.auth-tab:hover:not(.active){color:var(--text-secondary)}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-footer{text-align:center;margin-top:20px;font-size:.875rem;color:var(--text-muted)}.app-main{flex:1;padding:24px;max-width:800px;margin:0 auto;width:100%}.dashboard{display:flex;flex-direction:column;gap:20px}.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between}.dashboard-greeting{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.dashboard-date{font-size:.875rem;color:var(--text-muted);margin-top:2px}.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.ring-card{display:flex;flex-direction:column;align-items:center;padding:28px 24px 20px}.ring-wrapper{position:relative;width:200px;height:200px}.ring-svg{width:100%;height:100%}.ring-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;display:flex;flex-direction:column;align-items:center}.ring-number{font-size:2.25rem;font-weight:800;line-height:1.1;color:var(--text);letter-spacing:-.03em}.ring-number.over{color:var(--danger)}.ring-label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.ring-consumed{font-size:.75rem;color:var(--text-muted);margin-top:4px}.target-badge{margin-top:12px;font-size:.85rem;font-weight:600;color:var(--text-secondary);background:var(--bg);padding:6px 14px;border-radius:20px}.quick-add-card{display:flex;flex-direction:column;justify-content:center}.quick-add-form{display:flex;flex-direction:column;gap:10px;margin-top:12px}.quick-add-row{display:flex;gap:10px}.cal-input{width:120px;flex-shrink:0}.log-card{padding-bottom:12px}.log-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.log-count{font-size:.8rem;color:var(--text-muted);font-weight:500}.empty-state{text-align:center;color:var(--text-muted);padding:24px 0;font-size:.9rem}.log-list{list-style:none}.log-entry{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border);transition:opacity .2s}.log-entry:last-child{border-bottom:none}.log-entry.pending{opacity:.5}.log-entry-info{display:flex;flex-direction:column}.log-entry-desc{font-weight:500;font-size:.95rem}.log-entry-time{font-size:.75rem;color:var(--text-muted)}.log-entry-right{display:flex;align-items:center;gap:12px}.log-entry-cal{font-weight:700;font-size:.95rem;color:var(--text);white-space:nowrap}.delete-btn{background:none;border:none;font-size:1.25rem;color:var(--text-muted);cursor:pointer;padding:2px 6px;border-radius:4px;line-height:1;transition:all .15s}.delete-btn:hover{background:var(--danger-light);color:var(--danger)}.profile-setup{max-width:540px;margin:0 auto}.profile-form{display:flex;flex-direction:column;gap:18px}.goal-options{display:flex;gap:8px}.goal-btn{flex:1;padding:10px;font-size:.85rem;font-weight:600;font-family:var(--font);border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text-secondary);cursor:pointer;transition:all .15s}.goal-btn.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.goal-btn:hover:not(.active){border-color:var(--text-muted)}.calculated-target{display:flex;align-items:center;justify-content:space-between;background:var(--success-light);border:1px solid #bbf7d0;border-radius:var(--radius);padding:16px 20px}.target-label{font-weight:600;color:#15803d;font-size:.95rem}.target-number{font-size:1.5rem;font-weight:800;color:#15803d}.history-page{display:flex;flex-direction:column;gap:20px}.history-header{display:flex;align-items:center;justify-content:space-between}.history-header h1{font-size:1.5rem;font-weight:700}.history-range{display:flex;gap:4px}.range-btn{padding:6px 12px;font-size:.8rem;font-weight:600;font-family:var(--font);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);color:var(--text-secondary);cursor:pointer;transition:all .15s}.range-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.range-btn:hover:not(.active){background:var(--bg)}.history-list{display:flex;flex-direction:column;gap:8px}.history-card{padding:0;overflow:hidden}.history-row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 20px;background:none;border:none;cursor:pointer;font-family:var(--font);text-align:left;transition:background .1s}.history-row:hover{background:var(--bg)}.history-date{display:flex;flex-direction:column}.history-day{font-weight:600;font-size:.95rem;color:var(--text)}.history-count{font-size:.75rem;color:var(--text-muted)}.history-stats{display:flex;align-items:center;gap:12px}.history-total{font-weight:700;font-size:.95rem}.history-pct{font-size:.8rem;font-weight:600;padding:2px 8px;border-radius:12px}.history-total.under,.history-pct.under{color:var(--success)}.history-pct.under{background:var(--success-light)}.history-total.over,.history-pct.over{color:var(--danger)}.history-pct.over{background:var(--danger-light)}.expand-arrow{font-size:.8rem;color:var(--text-muted);transition:transform .2s}.expand-arrow.open{transform:rotate(180deg)}.history-details{padding:0 20px 16px;border-top:1px solid var(--border)}.history-bar-container{height:6px;background:var(--border);border-radius:3px;margin:12px 0;overflow:hidden}.history-bar{height:100%;border-radius:3px;transition:width .3s ease}.history-bar.under{background:var(--success)}.history-bar.over{background:var(--danger)}.detail-list{list-style:none;margin:8px 0}.detail-entry{display:flex;justify-content:space-between;padding:8px 0;font-size:.875rem;border-bottom:1px solid var(--border)}.detail-entry:last-child{border-bottom:none}.detail-cal{font-weight:600;color:var(--text-secondary);white-space:nowrap}.history-summary{font-size:.85rem;font-weight:600;padding-top:8px}.history-summary .over{color:var(--danger)}.history-summary .under{color:var(--success)}@media (max-width: 640px){.navbar{padding:0 16px}.nav-user{display:none}.app-main{padding:16px}.dashboard-grid{grid-template-columns:1fr}.dashboard-greeting{font-size:1.25rem}.form-row{grid-template-columns:1fr}.goal-options{flex-direction:column}.history-header{flex-direction:column;align-items:flex-start;gap:12px}.auth-card{padding:28px 20px}.ring-wrapper{width:170px;height:170px}.ring-number{font-size:1.75rem}}