*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#09090b;--bg-2:#111113;--bg-3:#18181b;--bg-4:#1f1f23;--surface:#27272a;
  --accent:#f97316;--accent-hover:#ea580c;--accent-soft:rgba(249,115,22,.12);
  --text:#fafafa;--text-2:#a1a1aa;--text-3:#71717a;
  --border:#27272a;--border-light:#3f3f46;
  --success:#22c55e;--success-soft:rgba(34,197,94,.1);
  --warning:#f59e0b;--warning-soft:rgba(245,158,11,.1);
  --error:#ef4444;--error-soft:rgba(239,68,68,.1);
  --blue:#3b82f6;--blue-soft:rgba(59,130,246,.1);
  --radius:8px;--radius-lg:12px;
  --shadow:0 1px 3px rgba(0,0,0,.3),0 1px 2px rgba(0,0,0,.2);
  --shadow-lg:0 10px 30px rgba(0,0,0,.4);
  --font:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --font-display:'Space Grotesk',var(--font);
}
html{scrollbar-width:thin;scrollbar-color:var(--surface) var(--bg)}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--surface);border-radius:3px}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100}
.sidebar-header{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--border)}
.sidebar-logo{width:36px;height:36px;border-radius:8px;flex-shrink:0}
.sidebar-brand{font-family:var(--font-display);font-size:.9rem;font-weight:600;line-height:1.2;color:var(--text)}
.sidebar-brand span{color:var(--accent)}
.sidebar-nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;color:var(--text-3);text-decoration:none;font-size:.85rem;font-weight:500;border-radius:var(--radius);cursor:pointer;transition:all .15s;position:relative;background:none;border:0;font-family:var(--font)}
.nav-item svg{width:18px;height:18px;flex-shrink:0}
.nav-item:hover{color:var(--text-2);background:var(--bg-3)}
.nav-item.active{color:var(--text);background:var(--bg-4)}
.nav-item.active::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--accent);border-radius:0 3px 3px 0}
.sidebar-footer{margin-top:auto;padding:12px 10px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:2px}
.sidebar-link-ext{display:flex;align-items:center;gap:8px;padding:8px 12px;color:var(--text-3);text-decoration:none;font-size:.8rem;border-radius:var(--radius);cursor:pointer;background:none;border:none;font-family:var(--font);transition:all .15s}
.sidebar-link-ext:hover{color:var(--text-2);background:var(--bg-3)}
.sidebar-user-email{font-size:.72rem;color:var(--text-3);padding:6px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.main{flex:1;margin-left:240px;display:flex;flex-direction:column;min-height:100vh}
.topbar{position:sticky;top:0;z-index:50;background:rgba(9,9,11,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 32px;height:56px;display:flex;align-items:center;justify-content:space-between}
.topbar-title{font-family:var(--font-display);font-size:1rem;font-weight:600}
.content{flex:1;padding:28px 32px}
.sidebar-toggle{display:none;background:none;border:0;color:var(--text-2);cursor:pointer;padding:6px;border-radius:var(--radius)}
.sidebar-toggle svg{width:22px;height:22px;display:block}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:90;opacity:0;transition:opacity .2s}

/* BUTTONS */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .15s;text-decoration:none}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 0 3px var(--accent-soft)}
.btn-sm{padding:7px 14px;font-size:.75rem}
.btn-outline{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;background:transparent;color:var(--text-2);border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font);font-size:.75rem;font-weight:500;cursor:pointer;transition:all .15s}
.btn-outline:hover{border-color:var(--text-3);color:var(--text);background:var(--bg-3)}

/* CARDS */
.card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-header h3{font-family:var(--font-display);font-size:.9rem;font-weight:600}
.card-body{padding:16px 20px}

/* INPUTS */
.input{width:100%;padding:9px 12px;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font);font-size:.85rem;outline:none;transition:border-color .15s,box-shadow .15s}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
input[type=color].input{cursor:pointer}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:.68rem;font-weight:600;color:var(--text-3);margin-bottom:6px;text-transform:uppercase;letter-spacing:.03em}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.form-row .form-group{flex:1;min-width:90px}

/* PREF ROWS */
.pref-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:var(--bg-3);margin-bottom:6px}
.pref-row:last-child{margin-bottom:0}
.pref-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.pref-name{font-size:.82rem;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pref-meta{font-size:.66rem;color:var(--text-3)}
.pref-actions{display:flex;gap:4px}
.entry-action{background:none;border:0;color:var(--text-3);cursor:pointer;padding:4px 7px;border-radius:4px;font-size:.85rem}
.entry-action:hover{color:var(--text);background:var(--bg-4)}

/* TODAY */
.today-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}
.today-title{font-family:var(--font-display);font-size:1.15rem;font-weight:700}
.today-sub{font-size:.78rem;color:var(--text-3);margin-top:2px}
.ring{width:58px;height:58px;flex:none;border-radius:50%;background:conic-gradient(var(--c) calc(var(--p)*1%),var(--bg-4) 0);display:flex;align-items:center;justify-content:center;position:relative}
.ring::before{content:'';position:absolute;inset:5px;border-radius:50%;background:var(--bg)}
.ring span{position:relative;z-index:1;font-family:var(--font-display);font-size:.72rem;font-weight:700}
.habit-list{display:flex;flex-direction:column;gap:10px}
.habit-row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-2);cursor:pointer;transition:all .15s;font-family:var(--font);color:var(--text)}
.habit-row:hover{border-color:var(--border-light);background:var(--bg-3)}
.habit-row.done{border-color:rgba(249,115,22,.32)}
.habit-icon{width:42px;height:42px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.habit-icon.sm{width:34px;height:34px;font-size:1rem;border-radius:10px}
.habit-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.habit-name{font-size:.92rem;font-weight:600}
.habit-sub{font-size:.74rem;color:var(--text-3)}
.habit-minus{width:28px;height:28px;flex:none;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:1.05rem;line-height:1}
.habit-minus:hover{border-color:var(--error);color:var(--error)}
.habit-check{width:32px;height:32px;flex:none;border-radius:50%;border:2px solid var(--border-light);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;font-weight:700;transition:all .15s}

/* HABITS MANAGE */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.page-head h3{font-family:var(--font-display);font-size:.95rem;font-weight:600}
.badge-archived{font-size:.6rem;font-weight:700;color:var(--text-3);border:1px solid var(--border);border-radius:99px;padding:1px 6px;margin-left:5px;text-transform:uppercase;letter-spacing:.04em}

/* INSIGHTS */
.stat-inline{display:flex;gap:18px;margin-bottom:14px;flex-wrap:wrap}
.stat-inline span{font-size:.76rem;color:var(--text-3)}
.stat-inline b{font-family:var(--font-display);font-size:1rem;color:var(--text);margin-right:3px}
.streak-badge{font-family:var(--font-display);font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:99px;border:1px solid var(--border);color:var(--text-3);white-space:nowrap}
.heatmap{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,12px);gap:3px;overflow-x:auto;padding-bottom:2px}
.hm-cell{width:12px;height:12px;border-radius:3px;background:var(--bg-4)}
.hm-cell.on{box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}

/* QUICK CHIPS */
.quick-chips{display:flex;flex-wrap:wrap;gap:8px}
.quick-chip{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:99px;border:1px solid var(--border);background:var(--bg-3);color:var(--text-2);font-family:var(--font);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .15s}
.quick-chip:hover{border-color:var(--text-3);color:var(--text)}
.quick-chip:active{transform:scale(.97)}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;visibility:hidden;transition:all .25s;padding:20px}
.modal-overlay.show{opacity:1;visibility:visible}
body:has(> .modal-overlay.show),body:has(> .sidebar-overlay.show){overflow:hidden}
.modal{background:var(--bg-2);border:1px solid var(--border);border-radius:16px;padding:22px 22px 0;max-width:440px;width:100%;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:modalIn .3s cubic-bezier(.16,1,.3,1)}
@keyframes modalIn{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:none}}
.modal-title{font-family:var(--font-display);font-size:1.15rem;font-weight:600;margin-bottom:4px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;position:sticky;bottom:0;background:var(--bg-2);border-top:1px solid var(--border);margin:18px -22px 0;padding:14px 22px 16px;z-index:2}
.modal-skip{background:none;border:0;color:var(--text-3);cursor:pointer;font-size:.8rem;padding:8px 12px;font-family:var(--font);transition:color .15s}
.modal-skip:hover{color:var(--text)}
.modal-skip.danger{margin-right:auto;color:var(--error)}

/* TOAST */
.app-toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,18px);background:var(--bg-4);border:1px solid var(--border);color:var(--text);padding:10px 18px;border-radius:12px;font-size:.85rem;font-weight:500;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all .3s cubic-bezier(.16,1,.3,1);z-index:400;display:flex;align-items:center;gap:12px;max-width:min(92vw,440px)}
.app-toast.show{opacity:1;transform:translate(-50%,0)}
.app-toast.has-action{pointer-events:auto;white-space:normal;padding:10px 10px 10px 16px;justify-content:space-between}
.app-toast.error{border-color:rgba(239,68,68,.5);background:#231416;color:#fecaca}
.toast-action{background:none;border:0;color:var(--accent);font-family:var(--font);font-size:.82rem;font-weight:700;cursor:pointer;padding:5px 10px;border-radius:6px;flex:none}
.toast-action:hover{background:var(--accent-soft)}
.app-toast.error .toast-action{color:#fca5a5}

/* FAB */
.fab{display:none;position:fixed;right:18px;bottom:22px;width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;border:none;font-size:1.7rem;line-height:1;cursor:pointer;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.45),0 0 0 4px var(--accent-soft);z-index:150;transition:transform .15s}
.fab:active{transform:scale(.94)}
.fab-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:160}
.fab-sheet{position:fixed;left:12px;right:12px;bottom:12px;background:var(--bg-2);border:1px solid var(--border-light);border-radius:16px;padding:10px;z-index:170;display:flex;flex-direction:column;gap:6px;animation:sheetUp .25s cubic-bezier(.16,1,.3,1)}
@keyframes sheetUp{from{opacity:0;transform:translateY(20px)}}
.fab-sheet button{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--bg-3);border:1px solid var(--border);border-radius:12px;color:var(--text);font-family:var(--font);font-size:.9rem;font-weight:600;cursor:pointer;text-align:left}
.fab-sheet button:active{background:var(--bg-4)}
.fab-sheet .fab-cancel{background:none;justify-content:center;color:var(--text-3);font-weight:500;border-color:transparent;font-size:.82rem}
body:has(#appContainer.hidden) .fab,body:has(#appContainer.hidden) .fab-sheet,body:has(#appContainer.hidden) .fab-backdrop{display:none!important}

/* MISC */
.empty{text-align:center;padding:24px;color:var(--text-3);font-size:.85rem}
.empty-inline{font-size:.78rem;color:var(--text-3)}
.net-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 14px;margin-bottom:16px;border:1px solid rgba(245,158,11,.35);background:var(--warning-soft);border-radius:var(--radius);font-size:.8rem;color:var(--text-2)}
.net-retry{background:none;border:1px solid rgba(245,158,11,.5);color:var(--warning);border-radius:6px;padding:5px 14px;font-family:var(--font);font-size:.75rem;font-weight:600;cursor:pointer}

/* AUTH */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}
.login-card{width:100%;max-width:380px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg)}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:32px}
.login-icon{width:44px;height:44px;border-radius:10px}
.login-title{font-family:var(--font-display);font-weight:600;font-size:1.1rem;line-height:1.2}
.login-subtitle{font-size:.75rem;color:var(--text-3);margin-top:2px}
.login-tabs{display:flex;gap:4px;margin-bottom:24px;background:var(--bg-3);border-radius:var(--radius);padding:3px}
.login-tab{flex:1;background:none;border:0;padding:8px;border-radius:6px;cursor:pointer;font-family:var(--font);font-size:.8rem;font-weight:500;color:var(--text-3);transition:all .15s}
.login-tab.active{background:var(--bg-4);color:var(--text);box-shadow:var(--shadow)}
.login-error{color:var(--error);font-size:.8rem;margin-bottom:12px;min-height:1em}
.form-group .input{width:100%}
.login-actions{display:flex;flex-direction:column;gap:8px;margin-top:24px}
.login-actions .btn-primary{width:100%;text-align:center}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-3);text-decoration:none;font-size:.8rem;margin-bottom:24px;transition:color .15s}
.back-link:hover{color:var(--text-2)}
.login-footer-link{display:block;text-align:center;margin-top:16px;font-size:.78rem;color:var(--text-3);text-decoration:none;transition:color .15s}
.login-footer-link:hover{color:var(--accent)}

/* TOUCH */
@media (hover:none){
  .pref-actions{opacity:1}
  .entry-action{padding:8px 9px}
}

/* RESPONSIVE */
@media(max-width:768px){
  .sidebar-toggle{display:block}
  .sidebar{transform:translateX(-100%);transition:transform .25s cubic-bezier(.16,1,.3,1);width:260px;z-index:110}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.show{display:block;opacity:1}
  .main{margin-left:0}
  .topbar{padding:0 16px;height:52px}
  .topbar-left{display:flex;align-items:center;gap:10px}
  .content{padding:16px 14px}
  .fab{display:flex}
  .modal{padding:18px 18px 0}
  .modal-actions{margin:16px -18px 0;padding:12px 18px 16px}
  .habit-row{padding:13px 14px}
}