:root{--bg:#f1f5f9;--dark:#0f172a;--muted:#64748b;--line:#e2e8f0}*{box-sizing:border-box}body{background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#0f172a}.app-shell{max-width:1200px;margin:auto;display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:22px;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;margin-bottom:32px}.brand-icon{width:44px;height:44px;border-radius:18px;background:var(--dark);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}.brand-title{font-weight:800;font-size:20px}.brand-subtitle{font-size:12px;color:var(--muted)}.sidebar-nav{display:flex;flex-direction:column;gap:8px}.nav-item{text-decoration:none;color:#334155;padding:13px 16px;border-radius:18px;font-weight:600}.nav-item:hover{background:#f8fafc}.nav-item.active{background:var(--dark);color:#fff}.nav-item-secondary{border:1px dashed #cbd5e1}.sidebar-note{margin-top:auto;background:#f8fafc;border:1px solid #edf2f7;border-radius:20px;padding:16px}.sidebar-note p{font-size:13px;color:var(--muted);margin:5px 0 8px}.main-content{padding:28px 32px 90px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.topbar h1{font-size:32px;font-weight:850;margin:0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.stat-card{background:#fff;border:1px solid #edf2f7;border-radius:22px;padding:17px;box-shadow:0 1px 2px rgba(15,23,42,.04)}.stat-card span,.stat-card small{display:block;color:var(--muted);font-size:12px}.stat-card strong{display:block;font-size:28px;line-height:1.1;margin:6px 0}.next-task-card{background:#020617;color:#fff;border-radius:28px;padding:22px;margin-bottom:16px;display:flex;justify-content:space-between;gap:15px;align-items:center}.next-task-card h2{font-size:22px;margin:4px 0}.next-task-card p{margin:0;color:#cbd5e1}.ai-input-card,.ai-chat-card{background:#fff;border-radius:28px;border:1px solid #edf2f7;padding:18px;margin-bottom:16px}.section-title{font-weight:800;margin-bottom:10px}.ai-form{display:grid;grid-template-columns:1fr auto auto;gap:8px}.ai-hint{font-size:13px;color:var(--muted);margin-top:10px}.filter-bar{display:grid;grid-template-columns:1fr 170px auto;gap:8px;margin-bottom:16px}.list-header{display:flex;align-items:center;justify-content:space-between;margin:8px 0 12px}.list-header h3{font-size:18px;font-weight:800;margin:0}.list-header span{font-size:14px;color:var(--muted)}.task-list{display:flex;flex-direction:column;gap:12px}.task-card{background:#fff;border:1px solid #edf2f7;border-radius:24px;padding:18px;box-shadow:0 1px 2px rgba(15,23,42,.04)}.task-head{display:flex;justify-content:space-between;gap:12px}.badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.badge-custom{font-size:12px;border-radius:999px;padding:5px 9px;font-weight:700;border:1px solid transparent}.badge-priority-high{background:#fef2f2;color:#b91c1c;border-color:#fecaca}.badge-priority-medium{background:#fffbeb;color:#b45309;border-color:#fde68a}.badge-priority-low{background:#f8fafc;color:#475569;border-color:#e2e8f0}.badge-status-new{background:#f1f5f9;color:#334155}.badge-status-progress{background:#eff6ff;color:#1d4ed8}.badge-status-done{background:#ecfdf5;color:#047857}.badge-overdue{background:#e11d48;color:#fff}.task-card h4{font-size:17px;font-weight:800;margin:0}.task-card p{font-size:14px;color:var(--muted);margin:6px 0 0}.complete-btn{width:38px;height:38px;border:0;border-radius:999px;background:var(--dark);color:#fff;font-size:20px}.task-meta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.task-meta-grid div{background:#f8fafc;border-radius:16px;padding:10px 12px}.task-meta-grid small{display:block;color:#94a3b8;font-size:12px}.task-meta-grid strong{font-size:13px}.empty-card{background:#fff;border-radius:24px;padding:32px;text-align:center;color:var(--muted)}.mobile-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);z-index:20}.mobile-nav a{text-align:center;text-decoration:none;color:#64748b;font-size:12px;font-weight:700;padding:13px 3px}.mobile-nav a.active{color:#020617}.task-card-compact{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px}.task-row-link{display:grid;grid-template-columns:1fr 190px;align-items:center;gap:10px;text-decoration:none;color:inherit}.task-row-time{text-align:right}.task-row-time strong,.task-row-time small{display:block}.task-row-time small{color:var(--muted);font-size:12px}.quick-actions{display:flex;align-items:center}.task-actions{display:flex;gap:8px;align-items:flex-start}.task-actions form{display:inline}.note-card .task-head{align-items:flex-start}.auth-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}.auth-card{width:min(440px,100%);background:#fff;border:1px solid #edf2f7;border-radius:28px;padding:24px;box-shadow:0 15px 45px rgba(15,23,42,.08)}.auth-card h1{font-size:26px;font-weight:850;margin-bottom:18px}.auth-brand{margin-bottom:22px}.detail-shell{max-width:900px;margin:auto;padding:22px 14px 90px}.detail-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:14px}.detail-card h1{font-size:28px;font-weight:850;margin:4px 0 8px}.detail-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.detail-actions form{display:inline}.chat-box{background:#f8fafc;border:1px solid #edf2f7;border-radius:22px;padding:12px;display:flex;flex-direction:column;gap:10px;max-height:520px;overflow:auto}.chat-message{max-width:86%;padding:12px 14px;border-radius:18px}.chat-message small{display:block;font-size:11px;opacity:.65;margin-top:6px}.chat-message.user{align-self:flex-end;background:#0f172a;color:#fff;border-bottom-right-radius:6px}.chat-message.assistant{align-self:flex-start;background:#fff;border:1px solid #e2e8f0;border-bottom-left-radius:6px}.empty-chat{text-align:center;color:var(--muted);padding:20px}.chat-form{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:12px}@media(max-width:991px){.app-shell{display:block}.main-content{padding:18px 14px 88px}.topbar h1{font-size:28px}.stats-grid{grid-template-columns:repeat(2,1fr)}.ai-form{grid-template-columns:1fr}.filter-bar{grid-template-columns:1fr}.task-meta-grid{grid-template-columns:1fr}.topbar{align-items:flex-start}.topbar .btn{white-space:nowrap}.task-row-link{grid-template-columns:1fr}.task-row-time{text-align:left;background:#f8fafc;border-radius:14px;padding:8px 10px}.desktop-desc{display:none}.task-card-compact{padding:13px 14px;border-radius:18px}.task-card-compact h4{font-size:15.5px}.chat-form{grid-template-columns:1fr}.chat-message{max-width:94%}}@media(max-width:480px){.topbar{flex-direction:column}.topbar .btn{width:100%}.stats-grid{gap:8px}.stat-card{padding:14px}.task-card{padding:15px;border-radius:20px}.task-card-compact{grid-template-columns:1fr auto}.quick-actions .complete-btn{width:34px;height:34px}.mobile-nav a{font-size:11px}.detail-card h1{font-size:23px}.task-head{flex-direction:column}.task-actions{width:100%;justify-content:flex-start;flex-wrap:wrap}.next-task-card{flex-direction:column;align-items:flex-start}.next-task-card .btn{width:100%}}

/* ===== V1.2 PATCH ===== */
.note-preview{
  display:-webkit-box;
  -webkit-line-clamp:5;
  -webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.55;
}
.note-full-content{
  white-space:normal;
  line-height:1.65;
  color:#334155;
}
@media(max-width:991px){
  .main-content{padding-bottom:112px}
  .mobile-nav{
    display:flex;
    overflow-x:auto;
    gap:8px;
    padding:10px 10px calc(10px + env(safe-area-inset-bottom));
    scroll-snap-type:x mandatory;
    grid-template-columns:none;
  }
  .mobile-nav a{
    min-width:104px;
    min-height:58px;
    padding:10px 12px;
    border:1px solid #e2e8f0;
    border-radius:18px;
    background:#f8fafc;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:14px;
    line-height:1.15;
    scroll-snap-align:start;
  }
  .mobile-nav a.active{
    background:#0f172a;
    color:#fff;
    border-color:#0f172a;
  }
}
@media(max-width:480px){
  .mobile-nav a{min-width:100px;font-size:13.5px;font-weight:800}
  .topbar h1{font-size:34px;line-height:1.05}
  .topbar .btn{min-height:54px;font-size:18px}
}

/* ===== V1.3 PATCH ===== */
@media(max-width:991px){
  .mobile-nav{
    display:flex!important;
    grid-template-columns:none!important;
    overflow-x:auto;
    overflow-y:hidden;
    white-space:nowrap;
    -webkit-overflow-scrolling:touch;
    scroll-snap-type:x proximity;
  }
  .mobile-nav::-webkit-scrollbar{height:0}
  .mobile-nav a{
    flex:0 0 auto;
    min-width:112px;
    min-height:60px;
    font-size:14px;
    font-weight:800;
    scroll-snap-align:start;
  }
}
@media(max-width:480px){
  .mobile-nav a{min-width:108px;min-height:62px;font-size:13.5px}
}

/* V1.6 - Web reminder notification */
.task-ai-reminder-box{
  position:fixed;
  right:18px;
  bottom:86px;
  z-index:3000;
  width:min(360px, calc(100vw - 28px));
  display:flex;
  flex-direction:column;
  gap:10px;
}
.task-ai-reminder-item{
  background:#081026;
  color:#fff;
  border-radius:22px;
  padding:16px;
  box-shadow:0 16px 45px rgba(8,16,38,.28);
  border:1px solid rgba(255,255,255,.12);
}
.task-ai-reminder-item.is-overdue{background:#7f1d1d;}
.task-ai-reminder-title{font-weight:800;font-size:14px;opacity:.9;margin-bottom:4px;}
.task-ai-reminder-task{font-weight:800;font-size:17px;line-height:1.35;}
.task-ai-reminder-meta{font-size:13px;opacity:.78;margin-top:5px;}
.task-ai-reminder-actions{display:flex;gap:8px;margin-top:12px;}
.task-ai-reminder-actions a,
.task-ai-reminder-actions button{
  border:0;
  border-radius:999px;
  padding:9px 14px;
  background:#fff;
  color:#081026;
  text-decoration:none;
  font-weight:700;
  font-size:14px;
}
.task-ai-reminder-actions button{background:rgba(255,255,255,.16);color:#fff;}
@media (max-width: 768px){
  .task-ai-reminder-box{left:14px;right:14px;bottom:86px;width:auto;}
  .task-ai-reminder-task{font-size:16px;}
}