:root{
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --sidebar:#FF6F5E;
  --sidebar-dark:#F4574A;
  --ink:#23262F;
  --muted:#8A8FA3;
  --border:#EEF0F5;
  --accent:#FF6F5E;
  --accent-2:#FF9A8E;
  --blue:#4C6EF5;
  --green:#2ECC71;
  --amber:#FFB020;
  --pink:#FF5C93;
  --radius:16px;
  --shadow:0 8px 24px rgba(35,38,47,0.06);
  --shadow-lg:0 16px 40px rgba(35,38,47,0.10);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  font-family:'Manrope',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand,.num,.section-title{font-family:'Plus Jakarta Sans',sans-serif;}
button{font-family:inherit;cursor:pointer;border:none;outline:none;background:none;}
button:active{transform:scale(0.96);transition:transform .1s;}
input,textarea,select{font-family:inherit;}
a{cursor:pointer;}

.hidden{display:none !important;}
.fade-in{animation:fadeIn .4s ease both;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.pop-in{animation:popIn .3s cubic-bezier(.34,1.56,.64,1) both;}
@keyframes popIn{from{opacity:0;transform:scale(.92);}to{opacity:1;transform:scale(1);}}

/* ---------- Auth screen ---------- */
.auth-wrap{min-height:100vh;position:relative;display:flex;align-items:center;justify-content:center;padding:24px;
  background:
    radial-gradient(circle at 10% 10%, rgba(255,111,94,0.10), transparent 40%),
    radial-gradient(circle at 90% 90%, rgba(76,110,245,0.08), transparent 40%),
    var(--bg);}
.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);
  border-radius:20px;padding:34px 30px;box-shadow:var(--shadow-lg);}
.auth-card .brand{font-size:23px;font-weight:700;text-align:center;margin-bottom:2px;}
.auth-card .brand span{color:var(--accent);}
.auth-card .sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:26px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px;}
.field input,.field select{width:100%;padding:12px 14px;border-radius:11px;border:1.5px solid var(--border);
  background:#FBFBFD;color:var(--ink);font-size:14px;transition:border-color .2s, box-shadow .2s;}
.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,111,94,0.12);outline:none;background:#fff;}
.btn{width:100%;padding:13px;border-radius:11px;font-weight:700;font-size:14px;
  background:var(--accent);color:#fff;transition:filter .2s, transform .1s;box-shadow:0 8px 18px rgba(255,111,94,0.28);}
.btn:hover{filter:brightness(1.05);}
.btn-outline{background:#fff;border:1.5px solid var(--border);color:var(--ink);box-shadow:none;}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-sm{padding:9px 16px;font-size:13px;width:auto;border-radius:9px;box-shadow:none;}
.auth-toggle{text-align:center;margin-top:18px;font-size:13px;color:var(--muted);}
.auth-toggle a{color:var(--accent);cursor:pointer;font-weight:700;}
.auth-error{background:#FFF1EF;border:1px solid #FFD3CC;color:#E24C3C;
  padding:10px 12px;border-radius:10px;font-size:12.5px;margin-bottom:14px;display:none;}

/* ---------- App shell (sidebar layout) ---------- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:230px;flex-shrink:0;background:var(--sidebar);color:#fff;
  display:flex;flex-direction:column;padding:26px 18px;position:sticky;top:0;height:100vh;
}
.sidebar .brand{font-size:18px;font-weight:700;margin-bottom:28px;padding:0 6px;}
.side-profile{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:22px;padding:14px 8px 20px;border-bottom:1px solid rgba(255,255,255,0.18);}
.side-avatar{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,0.22);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;margin-bottom:10px;}
.side-profile .nm{font-weight:700;font-size:14px;}
.side-profile .un{font-size:11.5px;opacity:.8;margin-top:2px;}
.side-nav{flex:1;display:flex;flex-direction:column;gap:4px;}
.side-link{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:11px;
  color:rgba(255,255,255,0.85);font-weight:600;font-size:13.5px;transition:background .2s,color .2s;}
.side-link .ic{font-size:16px;width:20px;text-align:center;}
.side-link:hover{background:rgba(255,255,255,0.12);color:#fff;}
.side-link.active{background:#fff;color:var(--accent);box-shadow:0 6px 14px rgba(0,0,0,0.12);}
.side-logout{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:11px;color:rgba(255,255,255,0.85);font-weight:600;font-size:13.5px;}
.side-logout:hover{background:rgba(255,255,255,0.12);color:#fff;}

.main-col{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  background:var(--surface);border-bottom:1px solid var(--border);padding:16px 30px;
  display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;
}
.topbar .page-title{font-size:20px;font-weight:700;}
.topbar .page-sub{font-size:12.5px;color:var(--muted);margin-top:2px;}
.clock-box{text-align:right;}
.clock-time{font-family:'Plus Jakarta Sans',sans-serif;font-size:18px;font-weight:700;color:var(--accent);letter-spacing:.02em;}
.clock-date{font-size:11.5px;color:var(--muted);margin-top:1px;}

.tz-banner{margin:14px 30px 0;padding:10px 14px;border-radius:12px;font-size:12.5px;
  background:#FFF7E8;border:1px solid #FFE3AE;color:#A9720B;display:flex;align-items:center;gap:8px;}
.tz-banner .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);flex-shrink:0;}

.content{padding:24px 30px 100px;flex:1;}

/* ---------- Dashboard ---------- */
.dash-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:start;}
.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow);}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.card-head .section-title{font-size:14.5px;font-weight:700;display:flex;align-items:center;gap:8px;}
.add-link{font-size:12.5px;font-weight:700;color:var(--accent);display:flex;align-items:center;gap:4px;}

.stats-row{display:flex;flex-direction:column;gap:18px;}
.donut-wrap{display:flex;align-items:center;gap:14px;}
.donut{width:64px;height:64px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.donut-inner{width:44px;height:44px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;
  font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;font-size:12px;color:var(--ink);}
.donut-label{font-size:12.5px;color:var(--muted);font-weight:600;}
.donut-label b{display:block;color:var(--ink);font-size:13.5px;}

.tag{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:20px;text-transform:capitalize;}
.tag.low{background:#E4F9EC;color:#1E9E5A;}
.tag.moderate{background:#E7EEFF;color:#3B5FE0;}
.tag.high{background:#FFE7E4;color:#E0503C;}
.tag.done{background:#EFEFF4;color:#8A8FA3;}

/* ---------- Task cards ---------- */
.task-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px 15px;margin-bottom:10px;transition:box-shadow .2s,border-color .2s;}
.task-card:hover{box-shadow:var(--shadow);border-color:#F0D9D5;}
.task-card.done{opacity:.6;}
.task-card.running{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,111,94,0.10);}
.task-top{display:flex;align-items:flex-start;gap:12px;}
.check{width:21px;height:21px;border-radius:7px;border:2px solid #DADEE8;flex-shrink:0;margin-top:2px;
  display:flex;align-items:center;justify-content:center;transition:all .2s;}
.check.checked{background:var(--green);border-color:var(--green);}
.check svg{width:12px;height:12px;opacity:0;transition:opacity .15s;}
.check.checked svg{opacity:1;}
.task-info{flex:1;min-width:0;}
.task-title{font-size:14px;font-weight:700;word-break:break-word;}
.task-card.done .task-title{text-decoration:line-through;color:var(--muted);}
.task-meta{display:flex;gap:8px;margin-top:6px;font-size:11.5px;color:var(--muted);flex-wrap:wrap;align-items:center;}
.task-meta span{display:flex;align-items:center;gap:4px;}
.task-actions{display:flex;align-items:center;gap:4px;flex-shrink:0;}
.icon-btn{width:28px;height:28px;border-radius:8px;background:transparent;color:var(--muted);
  display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s;font-size:13px;}
.icon-btn:hover{background:#F5F1FF00;background:#F1F2F7;color:var(--ink);}
.icon-btn.del:hover{color:#E0503C;background:#FFEFEC;}

.timer-row{display:flex;align-items:center;justify-content:space-between;margin-top:10px;padding-top:10px;border-top:1px dashed var(--border);}
.timer-display{font-family:'Plus Jakarta Sans',sans-serif;font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;font-weight:600;}
.timer-display .live{color:var(--accent);}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1.2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,111,94,.5);}70%{box-shadow:0 0 0 7px rgba(255,111,94,0);}100%{box-shadow:0 0 0 0 rgba(255,111,94,0);}}
.timer-btn{padding:7px 14px;border-radius:20px;font-size:12px;font-weight:700;background:#FFEFEC;color:var(--accent);}
.timer-btn.stop{background:#FFE2DE;color:#D8452F;}
.timer-btn:hover{filter:brightness(0.97);}

.empty-state{text-align:center;padding:44px 20px;color:var(--muted);}
.empty-state .emoji{font-size:32px;margin-bottom:8px;}

/* ---------- Notes ---------- */
.note-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:15px 16px;margin-bottom:10px;box-shadow:var(--shadow);}
.note-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px;}
.note-date{font-size:11px;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.04em;}
.note-text{font-size:13.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word;color:var(--ink);}

/* ---------- Calendar ---------- */
.cal-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.cal-nav{display:flex;align-items:center;gap:10px;}
.cal-nav button{width:32px;height:32px;border-radius:9px;background:#fff;border:1px solid var(--border);color:var(--ink);display:flex;align-items:center;justify-content:center;}
.cal-nav button:hover{border-color:var(--accent);color:var(--accent);}
.cal-label{font-size:15.5px;font-weight:700;min-width:170px;text-align:center;}
.cal-view-toggle{display:flex;background:#F0F1F6;border-radius:10px;padding:3px;}
.cal-view-toggle button{padding:7px 16px;border-radius:8px;font-size:12.5px;font-weight:700;color:var(--muted);}
.cal-view-toggle button.active{background:#fff;color:var(--accent);box-shadow:0 2px 6px rgba(0,0,0,0.08);}
.today-btn{padding:7px 14px;border-radius:9px;background:#fff;border:1px solid var(--border);font-size:12.5px;font-weight:700;}
.today-btn:hover{border-color:var(--accent);color:var(--accent);}

.cal-wrap{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);}
.cal-allday{display:flex;border-bottom:1px solid var(--border);}
.cal-allday .gutter{width:64px;flex-shrink:0;font-size:10px;color:var(--muted);display:flex;align-items:center;justify-content:center;font-weight:700;padding:8px 0;}
.cal-allday-cols{flex:1;display:flex;}
.cal-allday-col{flex:1;padding:6px;border-left:1px solid var(--border);min-height:38px;}
.allday-chip{font-size:10.5px;font-weight:700;padding:4px 8px;border-radius:7px;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;}

.cal-head-row{display:flex;border-bottom:1px solid var(--border);}
.cal-head-row .gutter{width:64px;flex-shrink:0;}
.cal-head-cols{flex:1;display:flex;}
.cal-head-col{flex:1;text-align:center;padding:12px 4px;border-left:1px solid var(--border);}
.cal-head-col .dow{font-size:10.5px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em;}
.cal-head-col .dnum{font-size:16px;font-weight:700;margin-top:2px;}
.cal-head-col.is-today .dnum{color:#fff;background:var(--accent);width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;}

.cal-body{display:flex;position:relative;height:calc(100vh - 330px);min-height:460px;max-height:720px;overflow-y:auto;}
.cal-gutter{width:64px;flex-shrink:0;}
.cal-gutter .hour-lbl{height:60px;font-size:10.5px;color:var(--muted);text-align:right;padding-right:8px;transform:translateY(-6px);font-weight:600;}
.cal-grid{flex:1;display:flex;position:relative;}
.cal-col{flex:1;border-left:1px solid var(--border);position:relative;}
.cal-col .hour-cell{height:60px;border-bottom:1px solid #F5F6FA;}
.cal-col .hour-cell:hover{background:#FBFBFD;cursor:pointer;}
.now-line{position:absolute;left:0;right:0;height:2px;background:var(--accent);z-index:5;}
.now-line::before{content:'';position:absolute;left:-4px;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--accent);}

.cal-event{position:absolute;left:3px;right:3px;border-radius:8px;padding:5px 8px;overflow:hidden;
  font-size:11px;font-weight:700;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,0.08);transition:transform .12s;}
.cal-event:hover{transform:scale(1.015);z-index:6;}
.cal-event .et{font-size:10px;font-weight:600;opacity:.85;display:block;}
.cal-event.pr-low{background:#DFF6E7;color:#1E9E5A;}
.cal-event.pr-moderate{background:#E3EAFF;color:#3B5FE0;}
.cal-event.pr-high{background:#FFE2DE;color:#D8452F;}
.cal-event.is-done{opacity:.5;text-decoration:line-through;}

/* ---------- FAB & Modal ---------- */
.fab{position:fixed;right:26px;bottom:26px;width:56px;height:56px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:26px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(255,111,94,0.4);z-index:200;transition:transform .2s;}
.fab:hover{transform:scale(1.06) rotate(90deg);}

.modal-overlay{position:fixed;inset:0;background:rgba(35,38,47,0.35);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;z-index:500;opacity:0;pointer-events:none;transition:opacity .2s;}
.modal-overlay.active{opacity:1;pointer-events:auto;}
.modal{background:#fff;border-radius:20px;width:92%;max-width:420px;padding:24px;
  transform:translateY(16px);transition:transform .25s;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow-lg);}
.modal-overlay.active .modal{transform:translateY(0);}
.modal h3{margin:0 0 18px;font-size:16.5px;font-weight:700;}
.modal .field textarea{width:100%;padding:12px 14px;border-radius:11px;border:1.5px solid var(--border);
  background:#FBFBFD;color:var(--ink);font-size:14px;min-height:100px;resize:vertical;}
.modal .field textarea:focus{border-color:var(--accent);outline:none;background:#fff;}
.modal-row{display:flex;gap:10px;}
.priority-pick{display:flex;gap:8px;}
.priority-pick button{flex:1;padding:9px;border-radius:10px;border:1.5px solid var(--border);font-size:12px;font-weight:700;color:var(--muted);text-transform:capitalize;}
.priority-pick button.sel.low{background:#E4F9EC;color:#1E9E5A;border-color:#1E9E5A;}
.priority-pick button.sel.moderate{background:#E7EEFF;color:#3B5FE0;border-color:#3B5FE0;}
.priority-pick button.sel.high{background:#FFE7E4;color:#E0503C;border-color:#E0503C;}
.modal-actions{display:flex;gap:10px;margin-top:16px;}
.modal-actions .btn-outline{flex:1;}
.modal-actions .btn{flex:1;}

/* ---------- Mobile ---------- */
.bottom-nav{display:none;}
@media (max-width:900px){
  .sidebar{display:none;}
  .content{padding:16px 16px 90px;}
  .topbar{padding:14px 16px;}
  .dash-grid{grid-template-columns:1fr;}
  .bottom-nav{
    display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);
    padding:8px 6px calc(8px + env(safe-area-inset-bottom,0px));z-index:300;box-shadow:0 -4px 16px rgba(0,0,0,0.05);
  }
  .bottom-nav .bn-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;border-radius:10px;color:var(--muted);font-size:10px;font-weight:700;}
  .bottom-nav .bn-item .ic{font-size:19px;}
  .bottom-nav .bn-item.active{color:var(--accent);}
  .modal-overlay{align-items:flex-end;}
  .modal{width:100%;border-radius:20px 20px 0 0;max-height:92vh;padding-bottom:calc(20px + env(safe-area-inset-bottom,0px));}
  .cal-body{max-height:none;height:60vh;}
}
@media (min-width:901px){.bottom-nav{display:none !important;}}

.app-footer{text-align:center;font-size:11.5px;color:var(--muted);padding:16px 0 90px;}
.app-footer span{font-weight:700;color:var(--accent);}
.auth-footer{padding:18px 0 0;position:absolute;bottom:24px;left:0;right:0;}

::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:#E3E5EC;border-radius:4px;}