/* ============================================================================
   IRON FORGED COACHING — base + components
   ============================================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  font-family: var(--font-ui);
  font-size: var(--t-base);
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--iron-050);
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* --- Atmosphere: forge glow + vignette + grain, fixed behind everything --- */
.atmos { position: fixed; inset: 0; z-index: -2; pointer-events: none; overflow: hidden; }
.atmos::before {                       /* ember glow, top */
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% -10%, var(--ember-glow-soft), transparent 55%),
    radial-gradient(90% 60% at 50% 120%, rgba(20,20,26,0.9), transparent 60%),
    var(--iron-050);
}
.atmos::after {                        /* deep vignette */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(130% 120% at 50% 40%, transparent 55%, var(--iron-000) 100%);
}
.grain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: var(--grain); background-size: 140px 140px;
  opacity: 0.05; mix-blend-mode: overlay;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
:focus-visible { outline: none; }

/* --- Typography helpers --- */
.display {
  font-family: var(--font-display); font-weight: 700;
  letter-spacing: var(--tracking-display); text-transform: uppercase;
  line-height: 1.05;
}
.wordmark {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.2em;
  background: var(--steel-sheen); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.eyebrow {
  font-size: var(--t-xs); letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: var(--text-muted); font-weight: 600;
}
.stat {
  font-family: var(--font-ui); font-weight: 700; font-size: var(--t-stat);
  font-variant-numeric: tabular-nums; line-height: 0.95; letter-spacing: -0.01em;
  color: var(--text-primary);
}
.stat--ember { color: var(--ember); }
.muted { color: var(--text-muted); }
.secondary { color: var(--text-secondary); }

.hairline { height: 1px; border: 0; background:
  linear-gradient(90deg, transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  height: 48px; padding: 0 var(--s-5); border-radius: var(--r-sm);
  font-size: var(--t-sm); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--line-strong); background: var(--steel-200); color: var(--text-primary);
  box-shadow: var(--inset-top); transition: transform var(--dur-fast) var(--ease),
    border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn:hover { border-color: var(--text-faint); background: var(--steel-300); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ember {
  border: 1px solid transparent; color: var(--ember-ink);
  background: var(--ember-fill);
  box-shadow: var(--inset-top), 0 8px 26px -8px var(--ember-glow);
}
.btn-ember:hover { filter: brightness(1.06); border-color: transparent; background: var(--ember-fill); }
.btn-ghost { background: transparent; border-color: var(--line); }
.btn-ghost:hover { background: var(--steel-100); }
.btn--full { width: 100%; }
.btn--lg { height: 56px; font-size: var(--t-base); }

/* --- Forms --- */
.field { display: flex; flex-direction: column; gap: var(--s-2); margin-bottom: var(--s-4); text-align: left; }
.field label { font-size: var(--t-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-secondary); font-weight: 600; }
.input {
  height: 52px; padding: 0 var(--s-4); border-radius: var(--r-sm);
  background: var(--steel-400); border: 1px solid var(--line); color: var(--text-primary);
  font-size: var(--t-md); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.input::placeholder { color: var(--text-faint); }
.input:focus {
  border-color: var(--ember); background: var(--steel-300);
  box-shadow: 0 0 0 3px var(--ember-glow-soft), 0 0 24px -6px var(--ember-glow);
}

/* --- Panels / cards --- */
.panel {
  background: linear-gradient(180deg, var(--steel-200), var(--steel-100));
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  box-shadow: var(--shadow-md), var(--inset-top);
}
.card {
  background: var(--steel-100); border: 1px solid var(--line-soft);
  border-radius: var(--r-md); padding: var(--s-5);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover { border-color: var(--line-strong); }

/* --- Messages --- */
.msg { font-size: var(--t-sm); padding: var(--s-3) var(--s-4); border-radius: var(--r-sm); text-align: left; }
.msg--err { background: var(--danger-dim); color: #E5A491; border: 1px solid rgba(195,106,80,0.4); }
.msg--ok  { background: var(--ok-dim); color: #A9CDB4; border: 1px solid rgba(127,169,138,0.4); }
.hidden { display: none !important; }

/* ============================================================================
   LOGIN — the hero moment
   ============================================================================ */
.login {
  min-height: 100dvh; display: grid; place-items: center;
  padding: calc(var(--s-6) + var(--safe-t)) var(--s-5) calc(var(--s-6) + var(--safe-b));
}
.login__inner { width: 100%; max-width: 400px; text-align: center; }

.crest {
  width: 148px; height: 148px; margin: 0 auto var(--s-5); position: relative;
  border-radius: 50%;
}
.crest img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
  border: 1px solid var(--line-strong); box-shadow: var(--shadow-lg), 0 0 60px -10px var(--ember-glow); }
.crest::after {                        /* ember halo pulse */
  content: ""; position: absolute; inset: -18px; border-radius: 50%; z-index: -1;
  background: radial-gradient(circle, var(--ember-glow) 0%, transparent 68%);
  animation: halo 5.5s var(--ease) infinite;
}
@keyframes halo { 0%,100% { opacity: 0.55; transform: scale(1); } 50% { opacity: 1; transform: scale(1.05); } }

.login__title { font-size: var(--t-2xl); margin-bottom: var(--s-2); }
.login__tag { font-size: var(--t-xs); letter-spacing: 0.42em; text-transform: uppercase; color: var(--ember); margin-bottom: var(--s-6); font-weight: 600; }

.login__card { padding: var(--s-6) var(--s-5) var(--s-5); }
.login__foot { margin-top: var(--s-5); font-size: var(--t-xs); color: var(--text-muted); letter-spacing: 0.04em; }

/* ============================================================================
   APP SHELL — shared chrome (client + coach)
   ============================================================================ */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: var(--s-4);
  padding: calc(var(--s-3) + var(--safe-t)) var(--s-5) var(--s-3);
  background: linear-gradient(180deg, rgba(11,11,15,0.94), rgba(11,11,15,0.7));
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar__crest { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line-strong); flex: none; }
.topbar__word { font-size: var(--t-sm); }
.topbar__spacer { flex: 1; }
.topbar__role { font-size: var(--t-xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--ember); padding: 4px 10px; border: 1px solid var(--line); border-radius: var(--r-pill); }
.iconbtn { width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--r-sm); background: var(--steel-100); border: 1px solid var(--line); color: var(--text-secondary); }
.iconbtn:hover { color: var(--text-primary); border-color: var(--line-strong); }

.shell { max-width: var(--maxw); margin: 0 auto; padding: var(--s-6) var(--s-5) var(--s-9); }
@media (max-width: 480px) {
  .shell { padding-left: var(--s-4); padding-right: var(--s-4); }
  .topbar { padding-left: var(--s-4); padding-right: var(--s-4); }
}
.pagehead { margin-bottom: var(--s-6); }
.pagehead h1 { font-size: var(--t-xl); }
.pagehead .eyebrow { margin-bottom: var(--s-2); }

/* client bottom nav (mobile) */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  padding: var(--s-2) var(--s-3) calc(var(--s-2) + var(--safe-b));
  background: linear-gradient(0deg, rgba(11,11,15,0.98), rgba(11,11,15,0.82));
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line-soft);
}
.tabbar a { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: var(--s-2) 0; color: var(--text-muted); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; }
.tabbar a.active { color: var(--ember); }
.tabbar svg { width: 22px; height: 22px; }

/* coach side nav (desktop) */
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100dvh; }
/* CRITICAL: grid items refuse to shrink below content width by default (min-width:auto),
   which silently made the content column wider than the phone screen — clipping the
   tabs/chart/activity off the right edge. min-width:0 makes inner scrollers work. */
.layout > * { min-width: 0; }
.sidenav { border-right: 1px solid var(--line-soft); padding: var(--s-5) var(--s-3); background: var(--steel-100); }
.sidenav__brand { display: flex; align-items: center; gap: var(--s-3); padding: 0 var(--s-3) var(--s-5); }
.sidenav a { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-3) var(--s-3); border-radius: var(--r-sm); color: var(--text-secondary); font-size: var(--t-sm); font-weight: 600; letter-spacing: 0.02em; margin-bottom: 2px; }
.sidenav a:hover { background: var(--steel-200); color: var(--text-primary); }
.sidenav a.active { background: var(--steel-300); color: var(--ember); box-shadow: var(--inset-top); }
.sidenav svg { width: 18px; height: 18px; flex: none; }
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidenav { display: none; }
}

/* empty states */
.empty { text-align: center; padding: var(--s-8) var(--s-5); border: 1px dashed var(--line); border-radius: var(--r-lg); color: var(--text-muted); }
.empty h3 { font-family: var(--font-display); letter-spacing: var(--tracking-display); text-transform: uppercase; color: var(--text-secondary); font-size: var(--t-md); margin-bottom: var(--s-2); }

/* grid helpers — min(100%, Npx) so minimums never force overflow on phones */
.grid { display: grid; gap: var(--s-4); }
.grid--stats { grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); }
.grid--cards { grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }

/* staggered load reveal */
.reveal { opacity: 0; transform: translateY(14px); animation: reveal var(--dur-slow) var(--ease-out) forwards; }
.reveal:nth-child(1) { animation-delay: 60ms; }
.reveal:nth-child(2) { animation-delay: 140ms; }
.reveal:nth-child(3) { animation-delay: 220ms; }
.reveal:nth-child(4) { animation-delay: 300ms; }
.reveal:nth-child(5) { animation-delay: 380ms; }
@keyframes reveal { to { opacity: 1; transform: none; } }

/* boot splash — the crest holds for a beat, then fades into the app */
.boot { position: fixed; inset: 0; display: grid; place-items: center; background: var(--iron-050);
  z-index: 100; opacity: 1; transition: opacity 500ms var(--ease); }
.boot--hide { opacity: 0; pointer-events: none; }
.boot__inner { display: flex; flex-direction: column; align-items: center; gap: var(--s-4);
  animation: bootin 700ms var(--ease-out); }
.boot__logo { width: 132px; height: 132px; border-radius: 50%; object-fit: cover;
  border: 1px solid var(--line-strong); animation: bootpulse 2.2s var(--ease) infinite; }
.boot__word { font-size: var(--t-sm); letter-spacing: 0.32em; }
@keyframes bootin { from { opacity: 0; transform: scale(0.92); } }
@keyframes bootpulse {
  0%, 100% { box-shadow: 0 0 46px -14px var(--ember-glow); }
  50%      { box-shadow: 0 0 90px -8px var(--ember-glow); }
}