/* Training-IQ — Meridian design system.
   Mobile-first, max-width 480px. Shell #0B1424 with teal + coral accents.
   Legacy --navy / --gold names are kept as aliases so module code that
   references them still works — they map to the new palette. */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=JetBrains+Mono:wght@500;600;700&display=swap');

:root{
  /* Meridian palette */
  --shell:#0B1424; --shell-2:#111D30; --shell-3:#16233A;
  --card:#FFFFFF; --card-tint:#F4F6F8;
  --ink:#16202E; --muted:#6C7A8C;
  --line:rgba(255,255,255,0.09); --line-light:rgba(22,32,46,0.09);

  /* Two-accent system */
  --accent:#2EC4B6; --accent-ink:#04302B;      /* teal = Today/Train/Fuel/Body */
  --secondary:#FF6B6B; --secondary-ink:#3D0F0F;/* coral = Mind/Squad */

  /* Status — colorblind-safe: always pair with an icon shape, never color alone */
  --good:#22A67A; --warn:#E8A33D; --bad:#E15554;

  /* Radii */
  --radius:16px;
  --r-card:16px; --r-btn:10px; --r-pill:999px;

  /* Type scale */
  --fs-display:30px; --fs-section:19px; --fs-body:15px; --fs-meta:12px; --fs-label:11px;

  /* Type stacks */
  --font-display:'Space Grotesk','SF Pro Display',-apple-system,sans-serif;
  --font-body:'IBM Plex Sans','SF Pro Text',-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;

  /* Legacy aliases — mapped so existing module code keeps working. */
  --navy:var(--shell);
  --navy2:var(--shell-2);
  --gold:var(--accent);
  --gold-dim:#1FA093;
  --bg:var(--shell);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-body);
  background:var(--shell);
  color:var(--ink);
  overscroll-behavior-y:none;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.hidden{display:none !important}
a{color:var(--accent)}
button{font-family:inherit;cursor:pointer;border:0;background:none}

/* ── auth ── */
.auth-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--shell);padding:24px;color:#fff}
.auth-wordmark{font-family:var(--font-display);font-size:26px;font-weight:600;color:#fff;margin-bottom:34px;letter-spacing:-0.5px}
.auth-wordmark .dot{color:var(--accent)}
.auth-card{width:100%;max-width:360px;background:#fff;color:var(--ink);border-radius:18px;padding:22px 20px;box-shadow:0 10px 40px rgba(0,0,0,.45)}
.auth-logo{font-size:26px;font-weight:700;font-family:var(--font-display);color:var(--ink);text-align:center;letter-spacing:-0.5px}
.auth-logo span{color:var(--accent)}
.auth-tag{text-align:center;color:var(--muted);margin:4px 0 20px;font-size:13px}
.auth-card input{width:100%;padding:14px;margin-bottom:10px;border:1px solid #E5E8EB;border-radius:10px;font-size:16px;font-family:var(--font-body);background:#fff;color:var(--ink);-webkit-appearance:none;appearance:none}
.auth-card input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.auth-error{background:#FDECEB;color:var(--bad);padding:10px 12px;border-radius:8px;font-size:13.5px;margin-bottom:14px}
.auth-switch{text-align:center;margin-top:14px;font-size:13.5px;color:var(--muted)}
.auth-switch a{color:var(--accent);text-decoration:none;font-weight:500}
.auth-footnote{font-size:11px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.5}
.btn-primary{width:100%;padding:14px;background:var(--accent);color:var(--accent-ink);font-weight:600;border-radius:10px;font-size:15px;font-family:var(--font-body);min-height:46px}
.btn-primary:active{background:#1FA093}
.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 14px;border:1px solid #E5E8EB;border-radius:10px;background:#fff;color:var(--ink);font-weight:500;font-size:14.5px;text-decoration:none;margin-bottom:8px;min-height:46px}
.btn-google:active{background:#F4F6F8}
.btn-google .g-mark{width:20px;height:20px;border-radius:50%;background:#fff;border:1px solid #E5E8EB;color:#4285F4;font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-family:var(--font-display)}
#oauth-buttons{display:flex;flex-direction:column;gap:0;margin-bottom:8px}
.auth-or{position:relative;text-align:center;margin:14px 0 12px;color:var(--muted);font-size:12px}
.auth-or::before,.auth-or::after{content:"";position:absolute;top:50%;width:38%;height:1px;background:#E5E8EB}
.auth-or::before{left:0}.auth-or::after{right:0}
.auth-or span{background:#fff;padding:0 8px;position:relative;z-index:1}

/* ── shell ── */
.app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--shell);color:#fff;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;background:var(--shell);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;padding-top:max(14px,env(safe-area-inset-top))}
.topbar-title{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-0.3px}
.topbar-action{color:#fff;opacity:.55;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px}
.topbar-action:active{background:rgba(255,255,255,0.06);opacity:.85}
.topbar-action svg{width:20px;height:20px;stroke:currentColor;fill:none}
.view{flex:1;padding:8px 14px 96px;min-height:60vh}
.loading,.placeholder,.errorbox{padding:40px 16px;text-align:center;color:rgba(255,255,255,0.55);font-size:13px}
.errorbox{color:var(--bad)}

/* ── bottom nav ── */
.bottomnav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:var(--shell-2);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:8px 4px;padding-bottom:max(10px,env(safe-area-inset-bottom));z-index:20}
.navbtn{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--muted);font-size:10px;padding:6px 2px;min-height:56px;font-family:var(--font-body);font-weight:500;transition:color .15s}
.navbtn svg{width:22px;height:22px;stroke:var(--muted);fill:none;transition:stroke .15s}
.navbtn .navdot{width:4px;height:4px;border-radius:50%;background:transparent;margin-top:1px;transition:background .15s}
.navbtn.active.teal{color:var(--accent);font-weight:600}
.navbtn.active.teal svg{stroke:var(--accent)}
.navbtn.active.teal .navdot{background:var(--accent)}
.navbtn.active.coral{color:var(--secondary);font-weight:600}
.navbtn.active.coral svg{stroke:var(--secondary)}
.navbtn.active.coral .navdot{background:var(--secondary)}
/* legacy .navicon unicode was used before sprite; keep it hidden if any old markup slips through */
.navbtn .navicon{display:none}

/* ── cards & primitives ── */
.card{background:var(--card);color:var(--ink);border-radius:var(--r-card);padding:15px 16px;margin-bottom:12px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card h2{margin:0 0 4px;font-size:16px;font-family:var(--font-display);font-weight:600}
.card .sub{color:var(--muted);font-size:12.5px;margin:0 0 12px}
.section-title{color:rgba(255,255,255,0.55);font-family:var(--font-mono);font-size:10.5px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;margin:18px 4px 8px}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.muted{color:var(--muted)}
.pill{display:inline-block;padding:5px 11px;border-radius:999px;font-size:11.5px;font-weight:500;background:#eef1f5;color:var(--ink);font-family:var(--font-body)}
.pill.good{background:#DDF3E7;color:#0F7A56}
.pill.warn{background:#FDF1D9;color:#B0742A}
.pill.bad{background:#FDECEB;color:#B03B37}
.btn{padding:12px 16px;border-radius:var(--r-btn);font-weight:600;font-size:14px;background:var(--shell-2);color:#fff;min-height:44px;line-height:1.2;font-family:var(--font-body);display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn.gold{background:var(--accent);color:var(--accent-ink)}     /* legacy = teal */
.btn.coral{background:var(--secondary);color:var(--secondary-ink)}
.btn.ghost{background:#eef1f5;color:var(--ink)}
.btn.outline{background:transparent;color:#fff;border:1.4px solid rgba(255,255,255,0.28)}
.btn.sm{padding:8px 12px;font-size:13px;min-height:36px}
.btn.block{display:flex;width:100%;text-align:center}
.input,select.input,textarea.input{width:100%;padding:13px 14px;border:1px solid #E5E8EB;border-radius:var(--r-btn);font-size:16px;margin-bottom:10px;background:#fff;color:var(--ink);font-family:var(--font-body);-webkit-appearance:none;appearance:none}
.input:focus,select.input:focus,textarea.input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.seg{display:flex;background:rgba(255,255,255,0.07);border-radius:999px;padding:3px;gap:2px;margin-bottom:14px}
.seg button{flex:1;padding:8px 6px;border-radius:999px;font-size:12.5px;font-weight:500;color:rgba(255,255,255,0.55);font-family:var(--font-body)}
.seg button.active{background:#fff;color:#0E9E90;font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.15)}
.seg.coral button.active{color:#E4483D}
/* ── rings ── */
.rings{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center}
.ring{position:relative;width:62px;height:62px;margin:0 auto 6px}
.ring svg{transform:rotate(-90deg)}
.ring .rv{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-family:var(--font-display)}
.ring-label{font-size:10.5px;color:var(--muted)}

/* ── habit row ── */
.habit-row{display:flex;gap:8px;overflow-x:auto;padding:4px 0}
.habit-chip{flex:0 0 auto;background:var(--card-tint);border-radius:12px;padding:10px 12px;text-align:center;min-width:84px}
.habit-chip.done{background:#DDF3E7}
.habit-chip .hc-name{font-size:12px;font-weight:600}
.habit-chip .hc-streak{font-size:10.5px;color:var(--muted);margin-top:3px;font-family:var(--font-mono)}

/* ── friend strip ── */
.friend-strip{display:flex;gap:10px;overflow-x:auto;padding:4px 0}
.friend-av{flex:0 0 auto;width:64px;text-align:center;font-size:11px}
.friend-av .av{width:48px;height:48px;border-radius:50%;background:var(--secondary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 4px;font-family:var(--font-display)}

/* ── striking focus mode ── */
.focus{position:fixed;inset:0;background:#0A0A0A;color:#fff;z-index:50;display:flex;flex-direction:column;max-width:480px;margin:0 auto}
.focus .timer{font-size:64px;font-weight:700;text-align:center;padding:20px;font-variant-numeric:tabular-nums;font-family:var(--font-display)}
.focus.work .timer{color:var(--accent)}
.focus.rest .timer{color:var(--secondary)}
.focus video,.focus iframe{width:100%;aspect-ratio:16/9;background:#000}

/* ── misc ── */
.list-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line-light);font-size:13.5px}
.list-item:last-child{border-bottom:0}
.big-num{font-size:30px;font-weight:700;font-family:var(--font-display)}
.spark{height:34px}
canvas{max-width:100%}
.modal-bg{position:fixed;inset:0;background:rgba(11,20,36,.7);z-index:40;display:flex;align-items:flex-end;justify-content:center}
.modal{background:#fff;color:var(--ink);width:100%;max-width:480px;border-radius:18px 18px 0 0;padding:22px 20px;padding-bottom:max(22px,env(safe-area-inset-bottom));max-height:88vh;overflow:auto;-webkit-overflow-scrolling:touch}
.modal h2,.modal h3{font-family:var(--font-display);font-weight:600}
.modal .row{gap:8px;flex-wrap:wrap}
.toast{position:fixed;bottom:calc(88px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:var(--shell-2);color:#fff;padding:11px 18px;border-radius:999px;font-size:13.5px;z-index:60;box-shadow:0 4px 16px rgba(0,0,0,.4);max-width:90vw;text-align:center;border:1px solid var(--line)}
.checkbox{width:22px;height:22px;border:1.6px solid var(--accent);border-radius:6px;display:inline-flex;align-items:center;justify-content:center}
.checkbox.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

/* mobile helpers */
img{max-width:100%;height:auto}
table{border-collapse:collapse;width:100%}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
/* prevent iOS auto-zoom on inputs */
@supports (-webkit-touch-callout:none){input,select,textarea{font-size:16px !important}}

/* Coral-tinted variants for Mind/Squad module details. */
.tab-mind .seg button.active,.tab-squad .seg button.active{color:#E4483D}
.tab-mind .checkbox,.tab-squad .checkbox{border-color:var(--secondary)}
.tab-mind .checkbox.on,.tab-squad .checkbox.on{background:var(--secondary);border-color:var(--secondary);color:var(--secondary-ink)}