/* ===== CF KHDR — Identity ===== */
:root{
  --charcoal:#18181A;
  --charcoal2:#202024;
  --red:#EE4136;
  --bg:#F4F4F4;
  --white:#FFFFFF;
  --line:#E6E6E6;
  --muted:#9a9a9a;
  --text:#18181A;
  --radius:14px;
  --shadow:0 6px 22px rgba(0,0,0,.08);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  -webkit-text-size-adjust:100%;
  -webkit-tap-highlight-color:transparent;
  direction:ltr;
}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
a{color:inherit;text-decoration:none}
.hidden{display:none!important}

/* ===== App shell ===== */
#app{max-width:480px;margin:0 auto;min-height:100vh;position:relative;padding-bottom:78px}
.screen{padding:18px 16px 24px;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ===== Header ===== */
.appbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 16px 10px;position:sticky;top:0;background:var(--bg);z-index:20;
}
.appbar .brand{display:flex;align-items:center;gap:10px}
.appbar .brand img{height:28px}
.appbar .brand .who b{display:block;font-size:14px;font-weight:600;color:var(--charcoal)}
.appbar .brand .who span{font-size:11px;color:var(--muted)}
.iconbtn{background:none;border:none;font-size:20px;color:var(--charcoal);padding:6px;border-radius:10px}

/* ===== Welcome / Login ===== */
.welcome{
  min-height:100vh;background:var(--charcoal);color:#fff;
  display:flex;flex-direction:column;padding:26px 22px 30px;max-width:480px;margin:0 auto;
}
.welcome .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.welcome .top img{height:34px}
.hero{
  position:relative;flex:1;border-radius:20px;overflow:hidden;background:var(--charcoal2);
  display:flex;flex-direction:column;justify-content:flex-end;min-height:330px;
}
.hero .rhino{position:absolute;top:26px;left:50%;transform:translateX(-50%);height:150px;opacity:.97}
.hero .accent{position:absolute;bottom:150px;left:20px;width:46px;height:4px;background:var(--red);border-radius:4px}
.hero .htext{padding:20px;position:relative}
.hero .kicker{font-size:11px;font-weight:700;color:var(--red);letter-spacing:1.6px;margin-bottom:8px}
.hero h1{font-size:30px;font-weight:800;line-height:1.12;color:#fff}
.hero .tagline{font-size:26px;font-weight:800;color:#fff;margin-top:4px}
.hero .sub{color:#bbb;font-size:12px;margin-top:8px}
.stats{display:flex;justify-content:space-between;text-align:center;margin:20px 6px 4px}
.stats .n{color:#fff;font-weight:800;font-size:21px}
.stats .l{color:#888;font-size:11px}

/* ===== Auth form ===== */
.authcard{background:var(--charcoal2);border-radius:18px;padding:20px 18px;margin-top:18px}
.authcard h2{font-size:18px;font-weight:700;color:#fff;margin-bottom:4px}
.authcard p.muted{color:#999;font-size:12px;margin-bottom:14px}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:#bbb;margin-bottom:6px}
.field input{
  width:100%;background:#161618;border:1px solid #34343a;color:#fff;
  border-radius:12px;padding:13px 14px;font-size:15px;
}
.field input:focus{outline:none;border-color:var(--red)}
.err{color:var(--red);font-size:13px;margin:6px 2px;min-height:18px}

/* ===== Buttons ===== */
.btn{
  width:100%;background:var(--red);color:#fff;border:none;border-radius:14px;
  padding:15px 0;font-weight:700;font-size:16px;transition:filter .15s;
}
.btn:active{filter:brightness(.9)}
.btn[disabled]{opacity:.6}
.btn.dark{background:var(--charcoal)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--charcoal)}
.btn.sm{width:auto;padding:9px 16px;font-size:14px;border-radius:11px}

/* ===== Home grid ===== */
.h-title{font-size:25px;font-weight:800;color:var(--charcoal);line-height:1.2;margin:6px 2px 16px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:15px;position:relative;overflow:hidden;transition:transform .12s;
}
.card:active{transform:scale(.98)}
.card.dark{background:var(--charcoal);border-color:var(--charcoal)}
.card.dark .t{color:#fff}.card.dark .s{color:#aaa}
.card .topbar{position:absolute;top:0;left:0;width:100%;height:3px;background:var(--red)}
.card .ico{font-size:24px;line-height:1}
.card .ico.red{color:var(--red)}
.card .t{font-size:14px;font-weight:600;margin-top:10px;color:var(--charcoal)}
.card .s{font-size:11px;color:var(--muted);margin-top:2px}
.banner{
  margin-top:11px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--red);
  border-radius:var(--radius);padding:14px;display:flex;justify-content:space-between;align-items:center;
}
.banner .t{font-size:14px;font-weight:600}
.banner .s{font-size:11px;color:var(--muted)}
.banner .chev{color:var(--red);font-size:20px}

/* ===== Lists / sections ===== */
.section-h{display:flex;align-items:center;justify-content:space-between;margin:18px 2px 10px}
.section-h h3{font-size:16px;font-weight:700;color:var(--charcoal)}
.list{display:flex;flex-direction:column;gap:9px}
.row{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 14px;
  display:flex;align-items:center;justify-content:space-between;
}
.row .left{display:flex;align-items:center;gap:12px}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--charcoal);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.row .nm{font-size:15px;font-weight:600;color:var(--charcoal)}
.row .meta{font-size:11px;color:var(--muted)}
.pill{font-size:10px;font-weight:700;padding:3px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px}
.pill.green{background:#e7f6ec;color:#1c8a4a}
.pill.gray{background:#eee;color:#888}
.pill.red{background:#fde9e7;color:var(--red)}

/* ===== Back link ===== */
.back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;margin-bottom:12px;background:none;border:none;padding:4px 0}

/* ===== Detail blocks ===== */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px}
.panel h4{font-size:13px;font-weight:700;color:var(--charcoal);text-transform:uppercase;letter-spacing:.6px;margin-bottom:10px}
.kv{display:flex;flex-wrap:wrap;gap:8px}
.kv .item{background:var(--bg);border-radius:10px;padding:8px 10px;min-width:84px}
.kv .item .k{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.kv .item .v{font-size:16px;font-weight:700;color:var(--charcoal)}
.tag{display:inline-block;font-size:11px;font-weight:600;color:var(--red);background:#fde9e7;padding:4px 10px;border-radius:20px}

/* workout block (player) */
.wblock{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px}
.wblock .wtitle{font-weight:700;font-size:15px;color:var(--charcoal);margin-bottom:6px}
.wblock .wbody{font-size:13px;color:#444;white-space:pre-wrap;line-height:1.55}
.wblock .wactions{display:flex;gap:8px;margin-top:12px;align-items:center}
.statusdot{font-size:11px;font-weight:700;padding:4px 10px;border-radius:20px}
.statusdot.done{background:#e7f6ec;color:#1c8a4a}
.statusdot.skipped{background:#eee;color:#888}
.statusdot.pending{background:#fff4e5;color:#c47d11}

/* textareas */
textarea.input,input.input,select.input{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:12px 13px;font-size:14px;color:var(--charcoal);
}
textarea.input:focus,input.input:focus,select.input:focus{outline:none;border-color:var(--red)}
textarea.input{min-height:120px;resize:vertical;line-height:1.5}
label.fl{display:block;font-size:12px;color:var(--muted);margin:10px 2px 6px;font-weight:600}

/* ===== Bottom nav ===== */
.bottomnav{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;
  background:#fff;border-top:1px solid var(--line);display:flex;justify-content:space-around;
  padding:10px 0 calc(10px + env(safe-area-inset-bottom));z-index:30;
}
.bottomnav button{background:none;border:none;font-size:21px;color:#bbb;display:flex;flex-direction:column;align-items:center;gap:2px;padding:2px 14px}
.bottomnav button .lbl{font-size:9px;font-weight:600}
.bottomnav button.active{color:var(--red)}

/* ===== Timer ===== */
.timer-wrap{text-align:center;padding:8px 0}
.timer-modes{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 14px;-webkit-overflow-scrolling:touch}
.timer-modes button{
  white-space:nowrap;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:9px 16px;font-size:13px;font-weight:600;color:var(--charcoal);
}
.timer-modes button.active{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}
.timer-config{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:6px 0 14px}
.cfg{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 12px;text-align:center}
.cfg label{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.cfg input{width:64px;border:none;font-size:20px;font-weight:700;text-align:center;color:var(--charcoal)}
.cfg input:focus{outline:none}
.timer-display{
  background:var(--charcoal);color:#fff;border-radius:22px;padding:30px 20px;margin:8px 0 16px;position:relative;overflow:hidden;
}
.timer-display .phase{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--red);text-transform:uppercase;min-height:18px}
.timer-display .clock{font-size:74px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;margin:6px 0}
.timer-display .rounds{font-size:13px;color:#aaa}
.timer-display.work{box-shadow:inset 0 0 0 3px var(--red)}
.timer-display.rest{box-shadow:inset 0 0 0 3px #3a86ff}
.timer-controls{display:flex;gap:10px}
.timer-controls .btn{flex:1}

/* ===== Toast ===== */
#toast{
  position:fixed;bottom:92px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--charcoal);color:#fff;padding:12px 18px;border-radius:30px;font-size:13px;
  opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:90%;text-align:center;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:var(--red)}

/* ===== Loading ===== */
.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--red);border-radius:50%;animation:spin .7s linear infinite;margin:30px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.center-msg{text-align:center;color:var(--muted);font-size:14px;padding:30px 10px}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:200;display:flex;align-items:flex-end;justify-content:center}
.modal{background:#fff;width:100%;max-width:480px;border-radius:20px 20px 0 0;padding:20px 18px calc(20px + env(safe-area-inset-bottom));animation:slideup .25s ease}
@keyframes slideup{from{transform:translateY(100%)}to{transform:none}}
.modal h3{font-size:18px;font-weight:700;margin-bottom:14px}
.ai-output{background:var(--bg);border-radius:12px;padding:14px;font-size:13px;line-height:1.6;white-space:pre-wrap;max-height:50vh;overflow:auto;color:#333}