*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --bg:#F5F0EB;--surface:#FFFFFF;--glass:rgba(255,255,255,0.85);--glass-border:rgba(0,0,0,0.06);
  --text:#1C1C1E;--text-dim:#8E8E93;--primary:#7C6AEF;--danger:#FF6B6B;--success:#34C759;
  --nav-h:80px;--header-h:56px;
  --shadow:0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg:0 8px 30px rgba(0,0,0,0.08);
}
body.dark{
  --bg:#0a0a0f;--surface:#1c1c1e;--glass:rgba(255,255,255,0.08);--glass-border:rgba(255,255,255,0.1);
  --text:#e8e8f0;--text-dim:#8888a0;--shadow:0 2px 12px rgba(0,0,0,0.3);--shadow-lg:0 8px 30px rgba(0,0,0,0.4);
}
html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text','Segoe UI',sans-serif;background:var(--bg);color:var(--text);overflow:hidden}
.glass-card{background:var(--surface);border:1px solid var(--glass-border);border-radius:20px;padding:16px;box-shadow:var(--shadow)}
.screen{display:none;height:100%;overflow-y:auto;padding-bottom:24px;-webkit-overflow-scrolling:touch}.screen.active{display:block}
.modal{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,0.35);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s}
.modal-content{width:100%;max-width:500px;max-height:90vh;overflow-y:auto;-webkit-overflow-scrolling:touch;border-radius:24px 24px 0 0;padding:24px;background:var(--surface);box-shadow:var(--shadow-lg);animation:slideUp .3s}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.modal-header h2{font-size:1.15rem;font-weight:700}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.25)}100%{transform:scale(1)}}
@keyframes pulse-card{0%{box-shadow:var(--shadow)}50%{box-shadow:0 0 24px rgba(52,199,89,0.3)}100%{box-shadow:var(--shadow)}}
@keyframes checkPop{0%{transform:scale(0.8);opacity:0}50%{transform:scale(1.2)}100%{transform:scale(1);opacity:1}}

/* Header */
#header{height:var(--header-h);padding:0 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;background:var(--bg)}
#header-title{font-size:1.5rem;font-weight:800;letter-spacing:-0.3px}
#header-date{font-size:.72rem;color:var(--text-dim);font-weight:500}
.header-right{display:flex;gap:4px}
.icon-btn{background:none;border:none;color:var(--text);font-size:1.2rem;cursor:pointer;padding:8px;border-radius:12px;transition:background .2s}
.icon-btn:hover{background:var(--glass)}

/* Day selector row */
.day-selector{display:flex;justify-content:center;gap:6px;padding:6px 20px 2px;margin-bottom:4px}
.day-pill{width:40px;height:54px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.6rem;font-weight:600;color:var(--text-dim);background:transparent;border:none;cursor:default;transition:all .2s}
.day-pill .day-num{font-size:.88rem;font-weight:700;color:var(--text)}
.day-pill.today-pill{background:var(--primary);color:#fff !important;box-shadow:0 4px 14px rgba(124,106,239,0.35);border-radius:16px}
.day-pill.today-pill .day-num{color:#fff}

/* Quote */
#quote-banner{margin:8px 20px 14px;padding:14px 20px;text-align:center;background:var(--surface);border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--glass-border)}
#quote-text{font-size:.82rem;font-style:italic;line-height:1.5;color:var(--text);opacity:0.8}
#quote-author{font-size:.68rem;color:var(--text-dim);margin-top:4px;display:block}

/* Habits List */
#habits-list{padding:0 20px}
.category-header{font-size:.68rem;font-weight:700;color:var(--text-dim);text-transform:uppercase;letter-spacing:1.2px;margin:18px 0 10px;padding-left:2px}

/* Habit Card */
.habit-card{
  display:flex;align-items:center;gap:14px;
  padding:16px 18px;margin-bottom:12px;
  border-radius:18px;border:none;
  background:var(--surface);
  box-shadow:var(--shadow);
  transition:all .3s cubic-bezier(.25,.46,.45,.94);
  cursor:pointer;position:relative;overflow:hidden;
  border-left:none !important;
}
.habit-card:active{transform:scale(0.97)}
.habit-card.completed{animation:pulse-card .6s ease}

.habit-card .emoji{
  font-size:1.35rem;width:44px;height:44px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:transform .2s;
}
.habit-card .info{flex:1;min-width:0}
.habit-card .name{font-size:.95rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-0.2px}
.habit-card .meta{font-size:.7rem;color:var(--text-dim);margin-top:3px;display:flex;gap:10px;align-items:center;font-weight:500}
.habit-card .streak{display:flex;align-items:center;gap:3px}
.habit-card .streak .fire{font-size:.7rem}

/* Progress ring */
.progress-ring{position:relative;width:42px;height:42px;flex-shrink:0}
.progress-ring svg{transform:rotate(-90deg);width:42px;height:42px}
.progress-ring .ring-bg{fill:none;stroke:var(--glass-border);stroke-width:3}
.progress-ring .ring-fg{fill:none;stroke-width:3;stroke-linecap:round;transition:stroke-dashoffset .5s cubic-bezier(.25,.46,.45,.94)}
.progress-ring .ring-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.6rem;font-weight:700}

/* Check button */
.habit-check{
  width:38px;height:38px;border-radius:50%;
  border:2.5px solid var(--glass-border);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;flex-shrink:0;
  transition:all .25s cubic-bezier(.25,.46,.45,.94);
  cursor:pointer;background:transparent;
}
.habit-check.done{
  border-color:var(--success);background:var(--success);color:#fff;
  animation:checkPop .35s cubic-bezier(.25,.46,.45,.94);
  box-shadow:0 3px 12px rgba(52,199,89,0.3);
}
.habit-check.quit-done{border-color:var(--danger);background:var(--danger);color:#fff;box-shadow:0 3px 12px rgba(255,107,107,0.3)}

.quantity-input{width:56px;background:var(--bg);border:1.5px solid var(--glass-border);border-radius:10px;color:var(--text);text-align:center;padding:7px;font-size:.85rem;font-weight:600;-moz-appearance:textfield;transition:border .2s}
.quantity-input:focus{border-color:var(--primary);outline:none}
.quantity-input::-webkit-inner-spin-button{-webkit-appearance:none}

.habit-actions{display:flex;gap:8px;flex-shrink:0;align-items:center}
.note-btn{font-size:.95rem;background:none;border:none;cursor:pointer;opacity:.35;transition:opacity .2s}
.note-btn:hover,.note-btn.has-note{opacity:1}

/* FAB */
.fab{
  position:fixed;bottom:calc(var(--nav-h) + 24px);right:24px;
  width:58px;height:58px;border-radius:50%;
  background:linear-gradient(135deg,#7C6AEF,#9B8AFF);
  color:#fff;border:none;font-size:1.8rem;
  cursor:pointer;
  box-shadow:0 6px 24px rgba(124,106,239,0.4);
  transition:transform .2s,box-shadow .2s;z-index:50;
  display:flex;align-items:center;justify-content:center;
}
.fab:active{transform:scale(0.88)}

/* Bottom Nav */
#bottom-nav{
  position:fixed;bottom:0;left:0;right:0;height:var(--nav-h);
  background:var(--surface);
  border-top:1px solid var(--glass-border);
  display:flex;justify-content:space-around;align-items:center;
  padding-bottom:env(safe-area-inset-bottom);z-index:100;
  box-shadow:0 -2px 20px rgba(0,0,0,0.04);
}
.nav-btn{background:none;border:none;color:var(--text-dim);display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;padding:8px 16px;border-radius:14px;transition:all .2s;font-weight:500}
.nav-btn.active{color:var(--primary)}
.nav-btn.active .nav-icon{transform:scale(1.1)}
.nav-icon{font-size:1.2rem;transition:transform .2s}.nav-label{font-size:.6rem;font-weight:600;letter-spacing:0.3px}

/* Form */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.72rem;color:var(--text-dim);margin-bottom:6px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 16px;
  background:var(--bg);border:1.5px solid var(--glass-border);
  border-radius:14px;color:var(--text);font-size:.88rem;outline:none;transition:border .2s;font-weight:500;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary)}
textarea{resize:vertical;font-family:inherit}
.color-picker{display:flex;gap:10px;flex-wrap:wrap}
.color-opt{width:32px;height:32px;border-radius:50%;cursor:pointer;border:3px solid transparent;transition:all .2s;box-shadow:0 2px 8px rgba(0,0,0,0.1)}
.color-opt.selected{border-color:var(--text);transform:scale(1.15)}
.days-row{display:flex;gap:6px}
.day-check{display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer}
.day-check input{display:none}
.day-check span{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;border:1.5px solid var(--glass-border);transition:all .2s;background:var(--bg)}
.day-check input:checked+span{background:var(--primary);border-color:var(--primary);color:#fff}
.btn{padding:12px 28px;border:none;border-radius:14px;font-size:.88rem;font-weight:700;cursor:pointer;transition:all .2s}
.btn-primary{background:linear-gradient(135deg,#7C6AEF,#9B8AFF);color:#fff;box-shadow:0 4px 16px rgba(124,106,239,0.3)}
.btn-danger{background:var(--danger);color:#fff;box-shadow:0 4px 16px rgba(255,107,107,0.3)}
.btn:active{transform:scale(0.95)}
.form-actions{display:flex;justify-content:space-between;gap:10px;margin-top:20px}

/* PIN */
.pin-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:24px;background:var(--bg)}
.pin-container h2{font-size:3rem}
.pin-container p{font-size:1rem;font-weight:600;color:var(--text-dim)}
.pin-dots{display:flex;gap:18px}
.pin-dots span{width:14px;height:14px;border-radius:50%;border:2px solid var(--text-dim);transition:all .2s}
.pin-dots span.filled{background:var(--primary);border-color:var(--primary);transform:scale(1.15)}
.pin-pad{display:grid;grid-template-columns:repeat(3,72px);gap:14px}
.pin-pad button{width:72px;height:72px;border-radius:50%;border:none;background:var(--surface);color:var(--text);font-size:1.4rem;font-weight:600;cursor:pointer;transition:all .15s;box-shadow:var(--shadow)}
.pin-pad button:active{background:var(--primary);color:#fff;transform:scale(0.92)}

/* Stats */
.stat-value{font-size:2.2rem;font-weight:800;letter-spacing:-1px}.stat-label{font-size:.72rem;color:var(--text-dim);font-weight:600}
.stat-row{display:flex;gap:12px;margin-bottom:14px}
.stat-row .glass-card{flex:1;text-align:center}
.stat-bar{height:8px;background:var(--bg);border-radius:4px;overflow:hidden;margin-top:8px}
.stat-bar-fill{height:100%;border-radius:4px;transition:width .6s cubic-bezier(.25,.46,.45,.94)}
.habit-stat-card{margin:0 20px 14px;cursor:pointer}
.habit-stat-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.habit-stat-header .emoji{font-size:1.3rem}
.habit-stat-header .name{font-weight:700;font-size:.92rem}
.habit-stat-header .rate{margin-left:auto;font-weight:800;font-size:1.1rem}

/* Reports / Calendar */
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin:12px 0}
.cal-day{aspect-ratio:1;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:600;color:var(--text-dim);transition:all .2s}
.cal-day.done{background:linear-gradient(135deg,#A8E6CF,#55EFC4);color:#1C1C1E}
.cal-day.partial{background:rgba(85,239,196,0.2)}
.cal-day.missed{background:rgba(255,107,107,0.1)}
.cal-day.future{opacity:.25}
.cal-header{font-size:.62rem;color:var(--text-dim);text-align:center;font-weight:700;text-transform:uppercase}
.report-habit-select{margin:0 20px 14px}
.report-habit-select select{width:100%;padding:12px;background:var(--surface);border:1.5px solid var(--glass-border);border-radius:14px;color:var(--text);font-size:.88rem;font-weight:500;box-shadow:var(--shadow)}
.heatmap-row{display:flex;gap:3px;margin-bottom:3px}
.heatmap-cell{width:12px;height:12px;border-radius:3px;background:var(--glass-border);transition:background .2s}
.heatmap-cell.l1{background:rgba(85,239,196,0.25)}.heatmap-cell.l2{background:rgba(85,239,196,0.5)}.heatmap-cell.l3{background:rgba(85,239,196,0.75)}.heatmap-cell.l4{background:#34C759}

/* Mood */
.mood-picker{display:flex;justify-content:space-around;padding:20px 0}
.mood-btn{font-size:2.5rem;background:none;border:none;cursor:pointer;transition:transform .2s;opacity:.4}
.mood-btn.selected,.mood-btn:hover{transform:scale(1.3);opacity:1}
.mood-history{padding:0 20px}
.mood-entry{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--glass-border)}
.mood-entry .mood-emoji{font-size:1.5rem}
.mood-entry .mood-date{font-size:.8rem;color:var(--text-dim);font-weight:500}

/* Timer */
.timer-display{text-align:center;padding:48px 0}
.timer-time{font-size:4.5rem;font-weight:200;font-variant-numeric:tabular-nums;letter-spacing:3px}
.timer-label{font-size:.85rem;color:var(--text-dim);margin-top:10px;font-weight:500}
.timer-controls{display:flex;justify-content:center;gap:16px;margin:24px 0}
.timer-controls button{padding:14px 36px;border-radius:50px;font-size:1rem;font-weight:700}
.timer-presets{display:flex;justify-content:center;gap:10px;margin:16px 0}
.timer-presets button{padding:10px 18px;border-radius:24px;background:var(--surface);border:1.5px solid var(--glass-border);color:var(--text);font-size:.8rem;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:all .2s}
.timer-presets button.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(124,106,239,0.3)}
.sound-picker{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:16px 0}
.sound-btn{padding:10px 16px;border-radius:24px;background:var(--surface);border:1.5px solid var(--glass-border);color:var(--text);font-size:.8rem;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:all .2s}
.sound-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* Settings */
.settings-group{margin:0 20px 24px}
.settings-group h3{font-size:.7rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:12px;font-weight:700}
.setting-item{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:var(--surface);border:1px solid var(--glass-border);border-radius:16px;margin-bottom:10px;box-shadow:var(--shadow)}
.setting-item label{font-size:.88rem;font-weight:500}
.toggle{position:relative;width:52px;height:30px;cursor:pointer}
.toggle input{display:none}
.toggle .slider{position:absolute;inset:0;background:var(--glass-border);border-radius:15px;transition:.3s}
.toggle .slider:before{content:'';position:absolute;width:24px;height:24px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s;box-shadow:0 2px 6px rgba(0,0,0,0.15)}
.toggle input:checked+.slider{background:var(--primary)}
.toggle input:checked+.slider:before{transform:translateX(22px)}
.setting-btn{width:100%;padding:16px;background:var(--surface);border:1px solid var(--glass-border);border-radius:16px;color:var(--text);font-size:.88rem;font-weight:500;cursor:pointer;text-align:left;margin-bottom:10px;box-shadow:var(--shadow);transition:all .2s}
.setting-btn:active{background:var(--bg);transform:scale(0.98)}

/* Responsive */
#main-content{padding-top:4px;height:calc(100vh - var(--header-h) - var(--nav-h));overflow-y:auto;-webkit-overflow-scrolling:touch}
@media(min-width:600px){
  #main-content{max-width:500px;margin:0 auto}
  .modal-content{border-radius:24px;margin-bottom:20px}
}
::-webkit-scrollbar{width:0;background:transparent}

.setting-btn-sm{background:none;border:1.5px solid var(--glass-border);border-radius:8px;color:var(--muted);padding:4px 10px;cursor:pointer;font-size:14px}