:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-success: #16a34a;--color-danger: #dc2626;--color-warning: #f59e0b;--color-bg: #f8fafc;--color-surface: #ffffff;--color-text: #1e293b;--color-text-light: #64748b;--color-border: #e2e8f0;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);--shadow-lg: 0 4px 12px rgba(0, 0, 0, .1);--max-width: 480px}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);min-height:100dvh;-webkit-font-smoothing:antialiased}#app{max-width:var(--max-width);margin:0 auto;padding:0 16px;padding-bottom:env(safe-area-inset-bottom,16px)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--color-border);margin-bottom:16px}.app-header h1{font-size:1.25rem;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-danger{background:var(--color-danger);color:#fff}.btn-outline{background:transparent;border:1.5px solid var(--color-border);color:var(--color-text)}.btn-full{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-small{padding:8px 14px;font-size:.85rem}.btn-icon{padding:8px;background:none;border:none;cursor:pointer;color:var(--color-text-light);font-size:1.2rem}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--color-text-light);margin-bottom:6px}.form-input{width:100%;padding:12px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:1rem;background:var(--color-surface);color:var(--color-text);transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--color-primary)}.form-input::placeholder{color:#94a3b8}select.form-input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:12px}.text-center{text-align:center}.text-light{color:var(--color-text-light)}.text-success{color:var(--color-success)}.text-danger{color:var(--color-danger)}.text-small{font-size:.85rem}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.error-msg{background:#fef2f2;color:var(--color-danger);padding:10px 14px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:16px}.tabs{display:flex;gap:0;margin-bottom:16px;border-bottom:2px solid var(--color-border)}.tab{flex:1;padding:10px;text-align:center;font-size:.9rem;font-weight:600;color:var(--color-text-light);background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;transition:color .15s,border-color .15s}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.progress-bar{width:100%;height:6px;background:var(--color-border);border-radius:3px;overflow:hidden;margin-top:8px}.progress-bar-fill{height:100%;background:var(--color-primary);border-radius:3px;transition:width .3s}.progress-bar-fill.low{background:var(--color-warning)}.progress-bar-fill.empty{background:var(--color-danger)}.fab{position:fixed;bottom:max(24px,env(safe-area-inset-bottom,24px));right:calc(50% - var(--max-width) / 2 + 16px);width:56px;height:56px;border-radius:50%;background:var(--color-primary);color:#fff;border:none;font-size:1.8rem;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);cursor:pointer;-webkit-tap-highlight-color:transparent}@media(max-width:480px){.fab{right:20px}}.empty-state{text-align:center;padding:48px 16px;color:var(--color-text-light)}.empty-state p{font-size:1.1rem;margin-bottom:8px}.back-link{display:inline-flex;align-items:center;gap:4px;color:var(--color-primary);text-decoration:none;font-size:.9rem;font-weight:500;margin-bottom:16px}