:root{--bg:#f7f5f0;--bg2:#efede8;--surface:#ffffff;--border:#e2dfd8;--border2:#ccc9c0;--text:#1a1814;--text2:#6b6860;--text3:#a8a59e;--accent:#2d6a4f;--accent-light:#52b788;--accent-bg:#d8f3dc;--coral:#e76f51;--amber:#e9c46a;--blue:#457b9d;--purple:#7b5ea7;--red:#e63946;--green:#2d6a4f;--font-display:"Bricolage Grotesque",sans-serif;--font-body:"DM Sans",sans-serif;--font-mono:"DM Mono",monospace;--r:12px;--r-lg:20px;--r-xl:28px;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--shadow-md:0 4px 12px rgba(0,0,0,.08);--shadow-lg:0 12px 32px rgba(0,0,0,.1)}*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:14px;line-height:1.6}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}.app-shell{max-width:390px;min-height:100vh;margin:0 auto;background:var(--bg);position:relative;overflow-x:hidden}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:390px;background:#f7f5f0f5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--border);display:flex;padding:8px 0 20px;z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px 0;cursor:pointer;color:var(--text3);font-size:10px;font-weight:500;transition:color .15s;border:none;background:none;font-family:var(--font-body)}.nav-item.active{color:var(--accent)}.page{padding:0 0 90px;min-height:100vh}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px;box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 20px;border-radius:var(--r);border:none;font-family:var(--font-body);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#235c43}.btn-primary:active{transform:scale(.98)}.btn-ghost{background:transparent;color:var(--text2);border:1.5px solid var(--border2)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{background:#e6394614;color:var(--red);border:1px solid rgba(230,57,70,.2)}.btn-full{width:100%}.btn-sm{padding:7px 14px;font-size:12px;border-radius:9px}.btn:disabled{opacity:.5;cursor:not-allowed}.input-group{margin-bottom:14px}.input-label{display:block;font-size:12px;font-weight:600;color:var(--text2);margin-bottom:5px}.input{width:100%;padding:11px 14px;border-radius:var(--r);border:1.5px solid var(--border);background:var(--surface);font-family:var(--font-body);font-size:14px;color:var(--text);outline:none;transition:border-color .15s}.input:focus{border-color:var(--accent)}.input::placeholder{color:var(--text3)}.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600}.badge-green{background:var(--accent-bg);color:var(--green)}.badge-amber{background:#fef3c7;color:#92400e}.badge-red{background:#e639461a;color:var(--red)}.badge-blue{background:#dbeafe;color:#1e40af}.badge-gray{background:var(--bg2);color:var(--text2)}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--text3)}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:999;width:360px}.toast{background:var(--text);color:#fff;border-radius:var(--r);padding:12px 16px;font-size:13px;font-weight:500;box-shadow:var(--shadow-lg);margin-bottom:8px;animation:slideDown .25s ease;display:flex;align-items:center;gap:10px}.toast.success{background:var(--green)}.toast.error{background:var(--red)}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:fadeUp .3s ease forwards}.section-header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;margin-bottom:12px}.section-title{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text)}.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:14px;font-weight:700;color:#fff;flex-shrink:0}.empty-state{text-align:center;padding:48px 24px;color:var(--text3);font-size:13px}.empty-state .icon{font-size:40px;margin-bottom:12px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:flex-end;justify-content:center}.modal-sheet{background:var(--surface);border-radius:24px 24px 0 0;width:390px;max-height:90vh;overflow-y:auto;padding:8px 20px 40px;box-shadow:var(--shadow-lg);animation:slideUp .3s cubic-bezier(.34,1.56,.64,1)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-handle{width:36px;height:4px;background:var(--border2);border-radius:2px;margin:12px auto 20px}.modal-title{font-family:var(--font-display);font-size:20px;font-weight:700;margin-bottom:20px}.habit-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--surface);border:1.5px solid var(--border);border-radius:16px;margin-bottom:8px;cursor:pointer;transition:all .15s}.habit-item:active{transform:scale(.99)}.habit-item.done{border-color:var(--accent-light);background:#52b7880a}.habit-icon-wrap{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.habit-check{width:26px;height:26px;border-radius:50%;border:2px solid var(--border2);display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;background:#fff}.habit-item.done .habit-check{background:var(--accent);border-color:var(--accent)}