/* ===================================================================
   layout.css, app shell, navigation (desktop top + mobile bottom),
   section outlet, transitions, responsive grid
   =================================================================== */
#app {
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  opacity: 0; transition: opacity .5s var(--ease-out);
}
#app.ready { opacity: 1; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  height: var(--nav-h); display: flex; align-items: center; gap: 18px;
  padding: 0 clamp(14px, 3vw, 34px);
  background: var(--glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--hairline);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); color: var(--gold); font-size: 1.15rem; letter-spacing: 1px; cursor: pointer; }
.brand img { width: 30px; height: auto; }
.brand .brand-sub { font-family: var(--font-head); color: var(--moss); font-size: .6rem; letter-spacing: .25em; text-transform: uppercase; }

.nav-links { display: flex; gap: 4px; margin-left: 8px; }
.nav-link {
  position: relative; display: flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 999px; border: none; background: transparent; cursor: pointer;
  font-family: var(--font-ui); font-weight: 600; font-size: .92rem; color: var(--text-sub);
  transition: color .2s, background .2s, transform .15s var(--ease-spring);
}
.nav-link .nav-ico { font-size: 1.05rem; }
.nav-link:hover { color: var(--ink); background: rgba(184,134,11,.08); transform: translateY(-1px); }
.nav-link.active { color: var(--pickle-dark); background: rgba(34,197,94,.12); }
.nav-link.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: -14px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--pickle-green), var(--brine-gold));
}

.topbar-spacer { flex: 1; }

/* Brine + level pill in the header */
.hud-wallet { display: flex; align-items: center; gap: 10px; }
.pill {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 13px; border-radius: 999px;
  background: var(--glass-strong); border: 1px solid var(--hairline); box-shadow: var(--shadow-sm);
  font-family: var(--font-ui); font-weight: 700; font-size: .85rem; color: var(--ink);
}
.pill .ico { font-size: 1rem; }
.pill.brine { color: var(--brine-gold-dark); }
.pill.level { color: var(--pickle-dark); cursor: pointer; }
.pill .lvl-ring { --p: 0; width: 22px; height: 22px; border-radius: 50%;
  background: conic-gradient(var(--pickle-green) calc(var(--p)*1%), rgba(34,197,94,.18) 0);
  display: grid; place-items: center; }
.pill .lvl-ring span { width: 15px; height: 15px; border-radius: 50%; background: var(--glass-strong);
  display: grid; place-items: center; font-size: .62rem; }

.avatar-btn { width: 38px; height: 38px; border-radius: 50%; border: 2px solid var(--hairline);
  background: radial-gradient(circle at 40% 30%, #d9f2a8, #6fb62f); cursor: pointer; display: grid; place-items: center;
  font-family: var(--font-ui); font-weight: 700; color: #14532d; box-shadow: var(--shadow-sm);
  transition: transform .15s var(--ease-spring); }
.avatar-btn:hover { transform: scale(1.06); }

/* ---------- Main outlet ---------- */
.outlet { position: relative; flex: 1; width: 100%; }
.section {
  position: absolute; inset: 0; padding: clamp(18px, 3vw, 40px);
  max-width: 1180px; margin: 0 auto; width: 100%;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.section.stack { position: relative; inset: auto; } /* used when only one mounted */

/* Kingdom (game) fills the viewport, no padding */
.section.section-kingdom { padding: 0; max-width: none; }

/* ---------- Bottom tab bar (mobile) ---------- */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: none;
  height: calc(var(--nav-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--hairline);
}
.tabbar .tab {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  background: none; border: none; cursor: pointer; color: var(--text-sub);
  font-family: var(--font-ui); font-size: .62rem; font-weight: 600; transition: color .2s, transform .15s var(--ease-spring);
}
.tabbar .tab .tico { font-size: 1.25rem; transition: transform .2s var(--ease-spring); }
.tabbar .tab.active { color: var(--pickle-dark); }
.tabbar .tab.active .tico { transform: translateY(-3px) scale(1.12); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .tabbar { display: flex; }
  .outlet { padding-bottom: var(--nav-h); }
  .brand .brand-sub { display: none; }
  .section { padding-bottom: calc(var(--nav-h) + 24px); }
}
@media (max-width: 480px) {
  .pill.level .lvl-txt { display: none; }
  .hud-wallet .pill.brine .lbl { display: none; }
}

/* ---------- Section grid helpers ---------- */
.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.section-head { margin: 4px 0 22px; }
.section-head .eyebrow { font-family: var(--font-head); text-transform: uppercase; letter-spacing: .28em; font-size: .72rem; color: var(--moss); }
.section-head h1 { font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.6rem); margin: 6px 0 0; color: var(--ink); }
.section-head p { color: rgba(58,50,38,.7); margin: 8px 0 0; max-width: 60ch; font-size: 1.02rem; }