/* ===== Design Tokens (WHOOP Style) ===== */
:root {
  --bg: #0D0E15;
  --bg-card: #151722;
  --bg-nav: #1F2232;
  --bg-input: #292D3E;
  
  --primary: #FFFFFF;
  --text: #FFFFFF;
  --text2: #98989E;
  --text3: #636366;
  
  --color-sleep: #5E94FF; /* Blue */
  --color-recovery-good: #32D74B; /* Green */
  --color-recovery-warning: #FFD60A; /* Yellow */
  --color-recovery-alert: #FF453A; /* Red */
  --color-strain: #0A84FF; /* Deep Blue */
  
  --border: rgba(255,255,255,0.08);
  
  --r: 16px;
  --r-sm: 8px;
  --r-lg: 20px;
  --font: -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased;max-width:430px;margin:0 auto;min-height:100vh;position:relative;padding-bottom:120px;}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
button,input,select,textarea{font-family:inherit;border:none;outline:none;background:none;color:var(--text)}
button{cursor:pointer}
ul{list-style:none}

/* ===== App Shell ===== */
.app{display:flex;flex-direction:column;min-height:100vh;}

/* Header */
.header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;position:sticky;top:0;background:var(--bg);z-index:50;}
.header__left{display:flex;align-items:center;gap:12px;}
.header__profile{width:32px;height:32px;border-radius:50%;border:2px solid var(--text2);display:flex;align-items:center;justify-content:center;font-size:16px;}
.header__streak{font-size:14px;font-weight:bold;display:flex;align-items:center;gap:4px;}
.flame-icon{font-size:16px;}
.header__date{background:var(--bg-card);border-radius:20px;padding:6px 16px;font-size:12px;font-weight:700;display:flex;align-items:center;gap:16px;letter-spacing:1px;color:#FFF;}
.header__date-btn{color:var(--text2);font-weight:bold;}
.header__device{font-size:12px;font-weight:700;display:flex;align-items:center;gap:6px;color:#FFF;}
.battery-icon{width:18px;height:10px;border:1px solid #FFF;border-radius:2px;position:relative;}
.battery-icon::after{content:'';position:absolute;right:-3px;top:2px;width:2px;height:4px;background:#FFF;border-radius:0 1px 1px 0;}
.battery-icon::before{content:'';position:absolute;left:1px;top:1px;bottom:1px;width:80%;background:var(--color-recovery-good);border-radius:1px;}

/* ===== Floating Bottom Nav (WHOOP Style) ===== */
.bottom-nav-container{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:390px;display:flex;align-items:center;gap:12px;z-index:100;}
.tab-bar{flex:1;display:flex;justify-content:space-around;background:rgba(28,28,30,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:30px;padding:8px 16px;gap:12px;}
.tab-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10px;color:var(--text2);transition:color .2s;padding:4px 8px;-webkit-tap-highlight-color:transparent;font-weight:600;}
.tab-item.active{color:var(--text);}
.tab-item__icon{font-size:22px;line-height:1;margin-bottom:0;}

/* FAB */
.fab{width:48px;height:48px;border-radius:50%;background:#0A84FF;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:bold;font-family:sans-serif;flex-shrink:0;transition:transform .2s;box-shadow:none;}
.fab:active{transform:scale(0.95);}

/* ===== Pages ===== */
.page{display:none;flex-direction:column;flex:1;}
.page.active{display:flex;}
.page__scroll{flex:1;overflow-y:auto;padding:0 16px 20px;}

/* ===== 3 Rings Dashboard ===== */
.rings-container{display:flex;justify-content:space-between;padding:10px 10px 30px;text-align:center;}
.ring-wrapper{display:flex;flex-direction:column;align-items:center;width:30%;}
.ring-box{position:relative;width:80px;height:80px;margin-bottom:12px;}
.ring-box svg{width:100%;height:100%;transform:rotate(-90deg);}
.ring-bg{fill:none;stroke:var(--bg-card);stroke-width:8;}
.ring-fill{fill:none;stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset 1.2s ease;}
.ring-val{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:20px;font-weight:700;}
.ring-label{font-size:11px;font-weight:700;color:var(--text2);letter-spacing:1px;text-transform:uppercase;}

/* Ring Colors */
#ringSleep .ring-fill{stroke:var(--color-sleep); filter:drop-shadow(0 0 4px rgba(94,148,255,0.4));}
#ringRecovery .ring-fill{stroke:var(--color-recovery-good); filter:drop-shadow(0 0 4px rgba(50,215,75,0.4));}
#ringStrain .ring-fill{stroke:var(--color-strain); filter:drop-shadow(0 0 4px rgba(10,132,255,0.4));}

/* ===== NEW HOME SECTIONS ===== */
.update-banner { background: #0A0A0C; border-radius: 12px; padding: 12px 16px; display: flex; align-items: center; gap: 12px; margin-bottom: 16px; border: 1px solid rgba(255,255,255,0.05); }
.loader-spinner-small { width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.1); border-top-color: #FFF; border-radius: 50%; animation: spin 1s linear infinite; flex-shrink: 0; }
.update-title { font-size: 11px; font-weight: 800; letter-spacing: 0.5px; color: #FFF; }
.update-desc { font-size: 11px; color: var(--text2); margin-top: 2px; }
.brand-title { text-align: center; font-size: 14px; font-weight: 300; letter-spacing: 6px; margin: 10px 0; color: #FFF; }

.promo-card { position: relative; border-radius: 16px; padding: 20px; margin-bottom: 16px; background: linear-gradient(#1C1C1E, #1C1C1E) padding-box, linear-gradient(135deg, #9C27B0, #FF9800) border-box; border: 2px solid transparent; overflow: hidden; box-shadow: 0 0 20px rgba(156, 39, 176, 0.4); }
.promo-title { font-size: 16px; font-weight: bold; margin-bottom: 4px; width: 70%; }
.promo-desc { font-size: 12px; color: var(--text2); margin-bottom: 12px; width: 70%; line-height: 1.4; }
.promo-link { font-size: 12px; font-weight: bold; color: #E040FB; }
.promo-badge { position: absolute; top: 16px; right: 16px; background: #9C27B0; color: #FFF; font-size: 10px; font-weight: bold; padding: 2px 6px; border-radius: 10px; }
.promo-icon { position: absolute; right: 16px; bottom: 16px; font-size: 40px; }

/* Monitor Grid */
.health-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.monitor-box { background: var(--bg-card); border-radius: 16px; padding: 16px; }
.monitor-header { font-size: 11px; font-weight: 800; color: var(--text2); letter-spacing: 0.5px; margin-bottom: 12px; text-transform: uppercase; }
.monitor-val { font-size: 14px; font-weight: bold; }
.monitor-sub { font-size: 11px; color: var(--text3); margin-top: 2px; }
.icon-check { background: var(--color-recovery-good); color: #000; width: 14px; height: 14px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-weight: bold; }
.stress-badge { background: var(--color-recovery-good); color: #000; font-size: 18px; font-weight: bold; padding: 4px 8px; border-radius: 8px; }
.status-green{color:var(--color-recovery-good);}
.status-yellow{color:var(--color-recovery-warning);}
.status-red{color:var(--color-recovery-alert);}

/* My Day Sections */
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.section-title { font-size: 24px; font-weight: bold; }
.section-subtitle { font-size: 11px; font-weight: bold; color: var(--text2); letter-spacing: 1px; text-transform: uppercase; }
.add-btn { width: 28px; height: 28px; border-radius: 50%; background: #FFF; color: #000; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 300; }
.expand-btn { color: var(--text2); font-size: 16px; }

.list-item { background: var(--bg-card); border-radius: 16px; padding: 16px; display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.list-item-icon { font-size: 20px; }
.list-item-text { flex: 1; font-size: 15px; font-weight: bold; }
.list-item-arrow { color: var(--text3); font-weight: bold; }

.activity-item { display: flex; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.activity-icon { font-size: 24px; }
.activity-info { flex: 1; }
.activity-name { font-size: 15px; font-weight: bold; margin-bottom: 2px; }
.activity-time { font-size: 12px; color: var(--text2); }
.activity-duration { font-size: 16px; font-weight: bold; }

/* ===== Cards (Keep safe for other pages) ===== */
.w-card{background:var(--bg-card);border-radius:var(--r);padding:20px;margin-bottom:16px;}

/* ===== Detail Row ===== */
.detail-list{margin-bottom:20px;}
.detail-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--border);}
.detail-item:last-child{border-bottom:none;}
.detail-label{font-size:15px;color:var(--text);}
.detail-value{font-size:15px;font-weight:600;color:var(--text2);}

/* ===== Charts ===== */
.w-chart-card { background: var(--bg-card); border-radius: var(--r); padding: 20px; margin-bottom: 16px; }
.w-chart-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.w-chart-title { font-size: 12px; font-weight: 700; color: var(--text2); letter-spacing: 1px; text-transform: uppercase; }
.w-chart-value { font-size: 16px; font-weight: 700; display:flex; gap:6px; align-items:center; }
.w-chart-sub { font-size: 12px; color: var(--text3); margin-top: 4px; }
.w-chart-area { position: relative; height: 160px; border-bottom: 1px dashed rgba(255,255,255,0.1); margin-bottom: 8px; }
.w-chart-axis-y { position: absolute; left: 0; top: 0; bottom: 0; width: 24px; display: flex; flex-direction: column; justify-content: space-between; font-size: 11px; color: var(--text3); }
.w-chart-svg { position: absolute; left: 24px; top: 0; width: calc(100% - 24px); height: 100%; overflow: visible; }
.w-chart-axis-x { display: flex; justify-content: space-between; padding-left: 24px; font-size: 11px; color: var(--text3); }

/* ===== Plan Timeline ===== */
.timeline-card{background:var(--bg-card);border-radius:var(--r);padding:20px;}
.tl-item{position:relative;padding-left:24px;padding-bottom:24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:'';position:absolute;left:5px;top:0;bottom:0;width:2px;background:var(--border);}
.tl-item:last-child::before{display:none;}
.tl-dot{position:absolute;left:0;top:4px;width:12px;height:12px;border-radius:50%;background:var(--bg-card);border:2px solid var(--text2);z-index:2;}
.tl-item.active .tl-dot{border-color:var(--color-recovery-good);background:var(--color-recovery-good);animation:pulse-dot 1.5s infinite;}
.tl-item.pending .tl-dot{border-color:var(--color-strain);background:var(--bg-card);}
.tl-time{font-size:12px;color:var(--text2);font-weight:600;margin-bottom:4px;}
.tl-title{font-size:15px;font-weight:600;margin-bottom:4px;}
.tl-desc{font-size:13px;color:var(--text2);line-height:1.5;}

/* ===== AI Chat Input ===== */
.chat-drawer{position:fixed;bottom:-100%;left:0;width:100%;background:var(--bg-card);border-top-left-radius:24px;border-top-right-radius:24px;padding:20px;transition:bottom 0.3s ease;z-index:200;display:flex;flex-direction:column;max-height:80vh;}
.chat-drawer.open{bottom:0;}
.chat-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:150;display:none;}
.chat-overlay.open{display:block;}

.chat-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;}
.chat-title{font-size:16px;font-weight:700;}
.chat-close{background:rgba(255,255,255,0.1);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;}

.chat-history{flex:1;overflow-y:auto;margin-bottom:16px;display:flex;flex-direction:column;gap:12px;}
.chat-bubble{max-width:85%;padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.5;}
.chat-bubble.ai{background:rgba(255,255,255,0.05);align-self:flex-start;border-bottom-left-radius:4px;}
.chat-bubble.user{background:var(--color-strain);align-self:flex-end;border-bottom-right-radius:4px;}

.chat-input-wrapper{position:relative;}
.chat-input{width:100%;background:#000;border:1px solid rgba(255,255,255,0.2);border-radius:24px;padding:14px 48px 14px 16px;font-size:15px;color:#fff;}
.chat-mic{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:18px;color:var(--text2);}

/* User Preset Selector */
.preset-selector{display:flex;gap:12px;overflow-x:auto;padding-bottom:12px;margin-bottom:12px;}
.preset-pill{padding:8px 16px;background:var(--bg-card);border-radius:20px;font-size:13px;font-weight:600;white-space:nowrap;border:1px solid transparent;transition:all 0.2s;}
.preset-pill.active{background:rgba(255,255,255,0.1);border-color:var(--text);}

/* Form items */
.form-label{display:block;font-size:13px;color:var(--text2);margin-bottom:8px;font-weight:600;}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.chip{padding:6px 12px;border-radius:16px;background:var(--bg-nav);font-size:13px;color:var(--text2);}
.chip.active{background:var(--text);color:var(--bg);}

/* AI Action Button */
.ai-action-btn-wrapper { position: relative; margin-bottom: 24px; cursor: pointer; }
.ai-action-btn-wrapper:active .ai-action-btn-content { transform: scale(0.97); }
.ai-action-btn-glow { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, #E040FB, #3D5AFE); filter: blur(12px); opacity: 0.6; border-radius: 24px; transition: opacity 0.3s; }
.ai-action-btn-content { position: relative; background: linear-gradient(135deg, #E040FB, #3D5AFE); padding: 18px 24px; border-radius: 24px; display: flex; align-items: center; justify-content: space-between; color: #FFF; font-weight: 800; font-size: 16px; transition: transform 0.2s; z-index: 1; border: 1px solid rgba(255,255,255,0.2); }
.ai-icon { font-size: 22px; }
.ai-text { flex: 1; margin-left: 12px; letter-spacing: 1px; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.ai-arrow { font-size: 22px; font-weight: 300; }

/* Loader Overlay */
.loader-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg);z-index:999;display:none;flex-direction:column;align-items:center;justify-content:center;}
.loader-overlay.active{display:flex;}
.loader-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,0.1);border-top-color:var(--text);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px;}
.loader-text{font-size:14px;color:var(--text);font-weight:600;}
@keyframes spin { 100% { transform:rotate(360deg); } }

/* Plan Confirmation Modal */
.plan-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg);z-index:300;display:flex;flex-direction:column;transform:translateY(100%);transition:transform 0.3s ease;}
.plan-modal.open{transform:translateY(0);}
.modal-header{padding:20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);}
.modal-title{font-size:18px;font-weight:700;}
.modal-close{font-size:24px;color:var(--text2);line-height:1;}
.modal-body{flex:1;overflow-y:auto;padding:20px;}
.modal-footer{padding:20px;border-top:1px solid var(--border);display:flex;gap:12px;}

/* Edit Row */
.edit-row{background:var(--bg-card);border-radius:var(--r);padding:16px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;}
.edit-info{display:flex;flex-direction:column;gap:4px;}
.edit-title{font-size:15px;font-weight:600;}
.edit-controls{display:flex;align-items:center;gap:12px;background:var(--bg-input);border-radius:20px;padding:4px 12px;}
.edit-btn{color:var(--primary);font-size:18px;font-weight:bold;width:24px;height:24px;display:flex;align-items:center;justify-content:center;}
.edit-val{font-size:14px;font-weight:600;min-width:32px;text-align:center;}

.btn-secondary{flex:1;background:var(--bg-card);color:var(--text);font-size:16px;font-weight:700;padding:16px;border-radius:24px;text-align:center;}
.btn-primary{flex:2;background:#FFFFFF;color:#000000;font-size:16px;font-weight:700;padding:16px;border-radius:24px;text-align:center;}

/* Active Session Card */
.active-session{background:linear-gradient(135deg, rgba(10,132,255,0.1), rgba(48,215,75,0.05));border:1px solid rgba(50,215,75,0.3);border-radius:var(--r);padding:24px 20px;text-align:center;margin-bottom:16px;display:none;position:relative;overflow:hidden;}
.active-session.running{display:block;animation:fadeIn 0.4s ease;}
.active-label{font-size:13px;color:var(--color-recovery-good);font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;justify-content:center;gap:6px;}
.active-label .indicator{width:8px;height:8px;background:var(--color-recovery-good);border-radius:50%;animation:pulse-dot 1.5s infinite;}
.active-timer{font-size:48px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;text-shadow:0 0 20px rgba(255,255,255,0.1);}
.active-anim-box{display:flex;justify-content:center;gap:4px;height:40px;align-items:flex-end;margin-bottom:20px;}
.active-bar{width:6px;background:var(--color-recovery-good);border-radius:3px;animation:equalizer 1s ease-in-out infinite alternate;}
.active-bar:nth-child(2){animation-delay:0.2s;}
.active-bar:nth-child(3){animation-delay:0.4s;}
.active-bar:nth-child(4){animation-delay:0.1s;}
.active-bar:nth-child(5){animation-delay:0.5s;}
@keyframes equalizer {
  0% { height: 8px; }
  100% { height: 40px; }
}
@keyframes pulse-dot {
  0% { box-shadow:0 0 0 0 rgba(50,215,75,0.6); }
  70% { box-shadow:0 0 0 8px rgba(50,215,75,0); }
  100% { box-shadow:0 0 0 0 rgba(50,215,75,0); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.btn-stop{background:rgba(255,69,58,0.15);color:var(--color-recovery-alert);font-size:14px;font-weight:700;padding:12px 32px;border-radius:24px;border:1px solid rgba(255,69,58,0.3);transition:transform 0.2s;}
.btn-stop:active{transform:scale(0.95);}