/* ============================================================
   exercicio.pt — App responsiva (uma só UI, telemóvel → desktop)
   Layout/breakpoints aqui (media queries); cores/espaços via tokens.
   Breakpoint do shell: 960px (≥ = sidebar; < = bottom tab bar).
   ============================================================ */

:root { --nav-w: 248px; --bottom-h: 64px; }

html, body { height: 100%; }
body { margin: 0; background: var(--surface-page); overscroll-behavior-y: none; }

/* ---- Shell ---- */
.app {
  height: 100vh; height: 100dvh;
  display: flex;
  background: var(--surface-page);
  font-family: var(--font-text);
  color: var(--text-1);
}

/* Sidebar (desktop only) */
.sidebar { display: none; }
@media (min-width: 960px) {
  .sidebar {
    width: var(--nav-w); flex: none;
    border-right: 1px solid var(--border-subtle);
    display: flex; flex-direction: column;
    padding: 22px 14px;
    overflow-y: auto;
  }
}

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* Topbar */
.topbar {
  flex: none; height: 60px;
  border-bottom: 1px solid var(--border-hairline);
  display: flex; align-items: center; gap: 14px;
  padding: 0 16px;
}
@media (min-width: 960px) { .topbar { height: 64px; padding: 0 24px; } }

/* No desktop a pesquisa vive na sidebar → a topbar deixa de ser precisa */
@media (min-width: 960px) { .topbar { display: none; } }
/* Pesquisa na sidebar: só aparece no desktop (a própria sidebar já é desktop-only) */
.side-search { margin-bottom: 14px; }

.brand-inline { font-weight: 800; font-size: 20px; letter-spacing: -0.03em; color: var(--text-1); }
@media (min-width: 960px) { .brand-inline { display: none; } } /* logo lives in sidebar on desktop */

/* Scroll content */
.content { flex: 1; overflow-y: auto; overflow-x: hidden; }
@media (max-width: 959px) { .content { padding-bottom: calc(var(--bottom-h) + env(safe-area-inset-bottom)); } }

.container { max-width: 1080px; margin: 0 auto; padding: 20px 16px 40px; }
@media (min-width: 720px) { .container { padding: 26px 24px 48px; } }
@media (min-width: 960px) { .container { padding: 28px 32px 56px; } }

/* Bottom tab bar (mobile only) */
.bottomnav { display: none; }
@media (max-width: 959px) {
  .bottomnav {
    display: flex; justify-content: space-around; align-items: center;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
    height: calc(var(--bottom-h) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    border-top: 1px solid var(--border-hairline);
    background: color-mix(in srgb, var(--surface-page) 92%, transparent);
    backdrop-filter: blur(12px);
  }
}

/* ---- Responsive grids ---- */
.ex-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 640px) { .ex-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; } }
@media (min-width: 1000px) { .ex-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; } }

.plan-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 720px) { .plan-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }

/* Cartão de plano com capa */
.plancard { display: block; text-decoration: none; background: var(--surface-1); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); overflow: hidden; transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base); }
.plancard:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.plancard.feat { border-color: var(--accent-line); box-shadow: var(--shadow-accent); }
.plancard .pc-img { position: relative; height: 156px; overflow: hidden; }
.plancard .pc-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.plancard .pc-img .ov { position: absolute; inset: 0; background: linear-gradient(0deg, var(--surface-1) 4%, rgba(10,10,10,0.35) 60%, transparent); }
.plancard .pc-goal { position: absolute; left: 14px; top: 14px; font: 800 11px/1 var(--font-text); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--accent); background: rgba(0,0,0,0.55); padding: 6px 10px; border-radius: var(--radius-pill); }
.plancard .pc-feat { position: absolute; right: 14px; top: 14px; font: 800 10px/1 var(--font-text); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--accent-ink); background: var(--accent); padding: 6px 9px; border-radius: var(--radius-pill); }
.plancard .pc-title { position: absolute; left: 16px; bottom: 12px; right: 16px; font-family: var(--font-display); text-transform: uppercase; font-size: 30px; line-height: 0.95; color: var(--white); text-shadow: 0 1px 8px rgba(0,0,0,0.6); }
.plancard .pc-body { padding: 14px 18px 18px; }
.plancard .pc-desc { font: var(--type-body-sm); color: var(--text-3); margin: 0 0 12px; line-height: 1.55; }
.plancard .pc-meta { display: flex; align-items: center; gap: 8px; font: var(--type-caption); color: var(--text-2); text-transform: uppercase; letter-spacing: var(--tracking-wide); }

/* Biblioteca: barra de filtros expansível, IGUAL em desktop e mobile */
.filterwrap { margin-bottom: 20px; }
.filterbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.fbtn { display: inline-flex; align-items: center; gap: 9px; padding: 12px 18px; border-radius: var(--radius-pill); border: 1.5px solid var(--border-strong); background: var(--surface-1); color: var(--text-1); cursor: pointer; font: 700 14px/1 var(--font-text); white-space: nowrap; transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast), transform var(--dur-fast); }
.fbtn:hover { border-color: var(--text-3); }
.fbtn:active { transform: scale(0.97); }
.fbtn.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-accent); }
.fbtn.open { border-color: var(--accent); }
.fbtn .v { font-weight: 800; opacity: 0.85; }
.fclear { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; padding: 12px 10px; background: none; border: none; color: var(--text-3); cursor: pointer; font: 700 14px/1 var(--font-text); }
.fclear:hover { color: var(--accent); }
.fpanel { margin-top: 12px; background: var(--surface-1); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 16px; animation: fade-up 0.18s var(--ease-out) both; }
.fpanel .chips { display: flex; gap: 8px; flex-wrap: wrap; }

/* Filtros: desktop = barra de pills; mobile = bottom sheet */
.filter-mobile { display: none; }
@media (max-width: 959px) { .filterwrap { display: none; } .filter-mobile { display: block; } }
.sheet-scrim { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 60; animation: fade-in 0.2s ease; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.sheet { position: fixed; left: 0; right: 0; bottom: 0; z-index: 61; background: var(--surface-1); border-top: 1px solid var(--border-strong); border-radius: 20px 20px 0 0; box-shadow: 0 -20px 60px rgba(0,0,0,0.5); padding: 8px 18px calc(18px + env(safe-area-inset-bottom)); animation: sheet-up 0.26s var(--ease-out); }
@keyframes sheet-up { from { transform: translateY(100%); } to { transform: none; } }
.sheet-grab { width: 40px; height: 4px; border-radius: 4px; background: var(--border-strong); margin: 8px auto 14px; }
.sheet-body { max-height: 58vh; overflow-y: auto; }
.sheet-foot { display: flex; gap: 10px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border-hairline); }
@media (prefers-reduced-motion: reduce) { .sheet, .sheet-scrim { animation: none; } }

.how-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 720px) { .how-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; } }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; } }

.hero { display: grid; grid-template-columns: 1fr; }
@media (min-width: 860px) { .hero { grid-template-columns: 1.5fr 1fr; } }

.split { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 860px) { .split { grid-template-columns: 1.6fr 1fr; } }

.detail { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: start; }
@media (min-width: 860px) { .detail { grid-template-columns: 1.05fr 1fr; gap: 28px; } }

/* Hero media height adapts */
.hero-media { position: relative; min-height: 180px; }
@media (min-width: 860px) { .hero-media { min-height: 230px; } }

/* Section heading row */
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }

/* In-library search: only on mobile (desktop uses the topbar search) */
@media (min-width: 960px) { .lib-search { display: none; } }

/* lucide default sizing safety */
.app [data-lucide] { display: inline-block; }

/* ---- Movimento / vida ---- */
/* entrada suave do conteúdo a cada navegação */
.container { animation: fade-up 0.4s var(--ease-out) both; }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* hero cinematográfico — zoom lento Ken-Burns */
.kenburns { animation: kenburns 16s ease-in-out infinite alternate; will-change: transform; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.12); } }

/* barra de progresso a crescer */
.progfill { transform-origin: left center; animation: prog-grow 0.9s var(--ease-out) both; }
@keyframes prog-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (prefers-reduced-motion: reduce) {
  .container, .kenburns, .progfill { animation: none; }
}

/* ---- Library filters (layout consistente) ---- */
.filters { display: flex; flex-direction: column; gap: 16px; padding-bottom: 20px; margin-bottom: 22px; border-bottom: 1px solid var(--border-hairline); }
.fgroup { display: flex; flex-direction: column; gap: 9px; }
.flabel { display: inline-flex; align-items: center; gap: 6px; font: var(--type-caption); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--text-3); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
/* músculos: scroll horizontal no telemóvel, wrap a partir de 560 */
@media (max-width: 559px) {
  .chips.scroll { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 2px 16px; scrollbar-width: none; }
  .chips.scroll::-webkit-scrollbar { display: none; }
}

/* Botão "voltar" — evidente */
.backbtn { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 18px; padding: 9px 15px 9px 12px; border-radius: var(--radius-pill); border: 1px solid var(--border-strong); background: var(--surface-1); color: var(--text-1); font: 700 14px/1 var(--font-text); cursor: pointer; transition: border-color var(--dur-fast), background var(--dur-fast), transform var(--dur-fast); }
.backbtn:hover { border-color: var(--accent-line); color: var(--accent); }
.backbtn:active { transform: scale(0.97); }

/* clicáveis (badges-tag no detalhe) */
.tagbtn { background: none; border: none; padding: 0; cursor: pointer; display: inline-flex; }
.tagbtn:active { transform: scale(0.96); }

/* ---- Toast ---- */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 24px; z-index: 100;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 16px; border-radius: var(--radius-pill);
  background: var(--surface-1); border: 1px solid var(--accent-line);
  color: var(--text-1); font: var(--type-label);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  animation: toast-in var(--dur-base) var(--ease-out);
  max-width: calc(100vw - 32px);
}
@media (max-width: 959px) { .toast { bottom: calc(var(--bottom-h) + 16px + env(safe-area-inset-bottom)); } }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }
@media (prefers-reduced-motion: reduce) { .toast { animation: none; } }

/* Builder estilo cartas (Monta o teu treino) */
.swipe-card { box-shadow: 0 16px 40px rgba(0,0,0,0.5); will-change: transform; border-radius: var(--radius-xl); }
.swipe-card:active { cursor: grabbing; }
.swipe-img { height: clamp(300px, 56vw, 420px); }
@media (max-width: 380px) { .create-grid { grid-template-columns: 1fr; } }

/* Home: carrossel horizontal de planos */
.h-scroll { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x proximity; padding-bottom: 6px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.h-scroll::-webkit-scrollbar { display: none; }
.h-card { flex: 0 0 210px; scroll-snap-align: start; }
.home-hero:active { transform: none; }

/* Tiles grandes multi-seleção (filtros, seletores) — mobile-first, finger-friendly */
.tile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 8px; }
.tile { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 66px; padding: 11px 6px; border-radius: var(--radius-lg); background: var(--surface-1); border: 1px solid var(--border-subtle); color: var(--text-3); cursor: pointer; transition: background var(--dur-base), border-color var(--dur-base), color var(--dur-base); text-align: center; }
.tile span { font: var(--type-label); color: var(--text-1); line-height: 1.15; }
.tile.on { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent); }
.tile.on span { color: var(--accent); }
.tile-check { position: absolute; top: 5px; right: 5px; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; }

/* Grelha simétrica 2 colunas (alturas iguais) + clamp de 2 linhas */
.sym-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.clamp2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* CTA flutuante (sticky) — fica sempre alcançável sem ter de procurar o botão lá em baixo.
   Botão com largura natural, centrado (NÃO ocupa a largura toda), com fade por baixo para legibilidade. */
.sticky-cta { position: sticky; bottom: 0; margin: 18px -16px 0; padding: 14px 16px calc(14px + env(safe-area-inset-bottom)); display: flex; justify-content: center; background: linear-gradient(0deg, var(--surface-page) 58%, transparent); z-index: 20; pointer-events: none; }
.sticky-cta > * { pointer-events: auto; }
@media (max-width: 959px) { .sticky-cta { bottom: calc(var(--bottom-h) + env(safe-area-inset-bottom)); padding-bottom: 14px; } }
/* antes de qualquer seleção o botão está desativado → fica inline (não flutua nem cobre o equipamento) */
.sticky-cta.is-static { position: static; background: none; padding: 8px 0 0; margin-top: 22px; }

/* Zonas (sub-região) agrupadas por músculo na Biblioteca */
.zone-block { margin-top: 10px; }
.zone-block:first-child { margin-top: 0; }
.zone-mus { display: block; font: var(--type-caption); color: var(--text-3); margin-bottom: 6px; font-weight: 700; }