:root {
  --fb-orange: #ff4b12;
  --fb-text: #101114;
  --fb-muted: #686d76;
  --fb-border: #e5e7eb;
  --fb-soft: #f5f6f8;
  --fb-card: #ffffff;
  --fb-green: #19a64a;
  --fb-shadow: 0 14px 34px rgba(15, 23, 42, .08);
  --fb-radius: 14px;
}

html { background: var(--fb-soft); overflow-x: hidden; }
body.exercise-body {
  margin: 0 !important;
  padding: 0 !important;
  min-height: 100vh;
  background: var(--fb-soft);
  color: var(--fb-text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  overflow-x: hidden;
  padding-bottom: 112px !important;
}

.LogoTop,
.LogoBottom,
body.exercise-body > .bottom-menu,
.legacy-exercise-title,
.legacy-slides-container,
.legacy-timer-box { display: none !important; }

.material-icons {
  font-family: 'Material Icons' !important;
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
  color: currentColor;
}

button, a { -webkit-tap-highlight-color: transparent; }
button { font-family: inherit; }

.exercise-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 86px;
  min-height: 86px;
  width: 100%;
  background: #090909;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 26px;
  box-sizing: border-box;
  box-shadow: none;
  border-bottom: 1px solid rgba(255,255,255,.04);
}

.exercise-logo { min-width: 150px; }
.exercise-logo img { display: block; width: 244px; max-height: 66px; object-fit: contain; }
.exercise-nav { display: flex; align-items: center; gap: 34px; margin-right: auto; }
.exercise-nav a { color: #fff; text-decoration: none; font-weight: 800; font-size: .98rem; text-transform: uppercase; }
.exercise-nav a:hover { color: var(--fb-orange); }
.exercise-userbar { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.exercise-icon-btn {
  position: relative;
  border: 0;
  background: transparent;
  color: #fff;
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}
.exercise-badge-count {
  position: absolute;
  top: -3px;
  right: -1px;
  min-width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #ff3014;
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 900;
  border: 2px solid #000;
}
.exercise-badge-count.visible { display: flex; }
.exercise-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; border: 3px solid rgba(255,255,255,.95); }
.exercise-user-name { display: grid; line-height: 1.15; font-weight: 800; }
.exercise-user-name small { color: #fff; opacity: .82; font-weight: 700; }
.exercise-mobile-topbar { display: none; }

.exercise-page { max-width: 1440px; margin: 0 auto; padding: 24px 28px 0; box-sizing: border-box; }
.exercise-page-actions { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 8px; }
.exercise-title-strip { min-width: 0; text-align: center; }
.exercise-light-btn {
  border: 1px solid var(--fb-border);
  background: #fff;
  color: var(--fb-text);
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(15,23,42,.04);
}

.exercise-hero { text-align: center; margin: 0 auto 14px; width: min(760px, 100%); }
#exercise-title {
  margin: 0;
  color: #111;
  text-transform: uppercase;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0;
}
.exercise-meta { display: flex; justify-content: center; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 8px; font-weight: 800; }
.exercise-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  padding: 0 13px;
  border-radius: 9px;
  background: #f4f5f7;
  color: #111;
  font-size: 14px;
  white-space: nowrap;
}
.exercise-pill.danger { background: #ffe9e6; color: #f02f16; }
.exercise-progress-wrap { max-width: 720px; margin: 10px auto 0; }
.exercise-progress-labels { display: flex; justify-content: space-between; gap: 18px; font-weight: 900; color: #111; margin-bottom: 10px; }
.exercise-progress-labels span:last-child { font-size: 13px; font-weight: 800; }
.exercise-progress-track { height: 12px; background: #e5e7eb; border-radius: 999px; overflow: hidden; }
.exercise-progress-fill { width: 0%; height: 100%; background: linear-gradient(90deg, var(--fb-orange), #ff2f12); border-radius: inherit; transition: width .25s ease; }

.exercise-workspace { display: grid; grid-template-columns: 300px minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.exercise-card { background: var(--fb-card); border: 1px solid var(--fb-border); border-radius: var(--fb-radius); box-shadow: var(--fb-shadow); }

.exercise-step-list { padding: 10px; display: grid; gap: 5px; }
.step-list-title {
  margin: 6px 10px 12px;
  color: #111;
  font-size: 17px;
  font-weight: 950;
  text-transform: uppercase;
}
.exercise-step {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--fb-text);
  border-radius: 11px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 46px;
  gap: 10px;
  align-items: center;
  padding: 13px 10px;
  text-align: left;
  cursor: pointer;
  border-left: 4px solid transparent;
}
.exercise-step.is-active { background: #fff8f5; border-left-color: var(--fb-orange); }
.exercise-step-number {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid #21a14a;
  color: #159447;
  font-weight: 900;
}
.exercise-step.is-active .exercise-step-number { border-color: var(--fb-orange); background: var(--fb-orange); color: #fff; }
.exercise-step-title { font-weight: 900; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.exercise-step-state { color: var(--fb-muted); font-size: 13px; margin-top: 2px; }
.exercise-step-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #f5f6f8;
  border: 1px solid #e4e6eb;
  display: grid;
  place-items: center;
  color: #111;
}
.exercise-step-all { margin: 8px 8px 0; justify-content: center; width: calc(100% - 16px); }

.exercise-stage { min-width: 0; }
#slides-container { width: 100%; }
.slide { display: none; min-height: 500px; padding: 34px 40px 28px; text-align: center; box-sizing: border-box; }
.slide.active { display: grid; align-content: center; }
.slide-main-icon {
  width: 82px;
  height: 82px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: #ffe0d8;
  color: var(--fb-orange);
  display: grid;
  place-items: center;
}
.slide-main-icon .material-icons { font-size: 42px; color: var(--fb-orange); }
.slide h2 { margin: 0; color: #111; font-size: clamp(24px, 2.2vw, 34px); font-weight: 950; letter-spacing: 0; text-transform: none; }
.slide-title-rule { width: 84px; height: 3px; border-radius: 999px; background: var(--fb-orange); margin: 16px auto 22px; }
.slide-subtitle { margin: 0 auto 28px; max-width: 540px; color: var(--fb-muted); line-height: 1.45; font-weight: 700; }
.slide-items-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; max-width: 640px; margin: 0 auto; }
.slide-item {
  min-height: 78px;
  border: 1px solid var(--fb-border);
  border-radius: 10px;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 12px 22px;
  color: #111;
  text-align: left;
  font-weight: 900;
  background: #fff;
  box-shadow: 0 8px 20px rgba(15,23,42,.03);
}
.slide-item span:not(.material-icons) {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.slide-item em {
  border-radius: 10px;
  background: #fff0eb;
  color: var(--fb-orange);
  min-height: 30px;
  min-width: 58px;
  padding: 0 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-weight: 950;
  white-space: nowrap;
}
.slide-item em:empty { display: none; }
.slide h2,
.slide-subtitle,
.slide-item,
.exercise-pill,
.quick-action,
.social-item,
.chat-msg { overflow-wrap: anywhere; }
.slide-item .material-icons { color: #000; font-size: 34px; }
.slide-note { margin: 26px 0 0; display: inline-flex; align-items: center; justify-content: center; gap: 8px; color: var(--fb-muted); font-weight: 700; }

.exercise-side { display: grid; gap: 18px; }
.exercise-side-card { padding: 20px; }
.exercise-side-card h3 { margin: 0 0 16px; color: #111; font-size: 18px; font-weight: 950; }
.progress-side-body { display: grid; grid-template-columns: 112px 1fr; gap: 18px; align-items: center; }
.progress-ring { width: 104px; height: 104px; border-radius: 50%; background: conic-gradient(var(--fb-orange) 0deg, #eceef2 0deg); display: grid; place-items: center; position: relative; }
.progress-ring::before { content: ""; position: absolute; inset: 9px; border-radius: 50%; background: #fff; }
.progress-ring strong, .progress-ring span { position: relative; z-index: 1; display: block; text-align: center; }
.progress-ring strong { font-size: 24px; line-height: 1; }
.progress-ring span { color: var(--fb-muted); font-size: 13px; font-weight: 800; margin-top: 4px; }
.progress-details { display: grid; gap: 10px; color: var(--fb-muted); font-weight: 700; }
.progress-details strong { color: #111; display: block; }

.quick-actions { display: grid; gap: 8px; }
.quick-action {
  border: 1px solid var(--fb-border);
  background: #fff;
  color: #111;
  min-height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 12px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
}
.quick-actions {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.quick-action {
  min-height: 88px;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 10px 8px;
  font-size: 12px;
  line-height: 1.15;
}
.quick-action .left {
  display: grid;
  justify-items: center;
  gap: 8px;
}
.quick-action > .material-icons:last-child { display: none; }
.quick-action .left .material-icons {
  font-size: 31px;
  color: #000;
}
.quick-action .left { display: grid; align-items: center; justify-items: center; gap: 8px; min-width: 0; }
.quick-action .material-icons { font-size: 20px; }
.quick-action.warning { color: #ff3014; }
.tip-card p { margin: 0; color: var(--fb-muted); line-height: 1.45; font-weight: 700; }

.exercise-controls { width: min(720px, 100%); margin: 22px auto 26px; display: grid; grid-template-columns: 1fr 1.35fr 1fr; gap: 22px; }
.control-btn {
  border: 1px solid var(--fb-border);
  background: #fff;
  min-height: 62px;
  border-radius: 12px;
  color: #111;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(15,23,42,.05);
}
.control-btn.primary { background: linear-gradient(180deg, #ff5a17, #ff3014); color: #fff; border-color: transparent; font-size: 22px; }
.control-btn.primary .material-icons { font-size: 34px; }

#timer-box {
  width: min(520px, calc(100% - 32px));
  margin: 0 auto 22px !important;
  padding: 14px !important;
  background: #fff !important;
  border: 1px solid var(--fb-border);
  border-radius: 12px !important;
  box-shadow: var(--fb-shadow) !important;
  text-align: center;
  display: none;
}
#timer-display { margin: 0 0 10px; color: #111; font-size: 34px; font-weight: 950; }
.timer-actions { display: flex; justify-content: center; gap: 10px; }
.timer-actions .buttonStyle { border: 1px solid var(--fb-border); background: #f7f8fa; border-radius: 10px; width: 46px; height: 42px; cursor: pointer; }
.timer-card #timer-box {
  width: 100%;
  margin: 0 !important;
  padding: 0 !important;
  border: 0;
  box-shadow: none !important;
  background: transparent !important;
  display: block;
}
.timer-card #timer-display {
  font-size: clamp(40px, 4.6vw, 58px);
  line-height: 1;
  margin: 4px 0 18px;
  text-align: center;
}
.timer-card .timer-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.timer-card .buttonStyle {
  width: 100% !important;
  height: 44px !important;
  background: #fff !important;
}

.exercise-side .timer-card {
  display: block;
}
.mobile-step-dots { display: none; }

.exercise-bottom-menu {
  position: fixed;
  left: 50%;
  right: auto;
  bottom: 14px;
  z-index: 45;
  width: calc(100% - 28px);
  max-width: 1380px;
  min-height: 80px;
  background: #050505;
  color: #fff;
  border-radius: 15px;
  box-shadow: 0 -8px 30px rgba(0,0,0,.32);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 4px;
  padding: 10px 10px 12px;
  box-sizing: border-box;
  transform: translateX(-50%);
}
.exercise-bottom-menu a { color: rgba(255,255,255,.66); text-decoration: none; display: grid; place-items: center; gap: 4px; font-weight: 850; font-size: .74rem; text-transform: uppercase; min-width: 0; min-height: 58px; border-radius: 10px; padding: 8px 4px; }
.exercise-bottom-menu .material-icons { font-size: 27px; }
.exercise-bottom-menu a.active, .exercise-bottom-menu a:hover { color: var(--fb-orange); background: rgba(255,255,255,.05); }
.exercise-bottom-register { position: relative; color: #fff !important; }
.exercise-bottom-register .plus-bubble {
  position: absolute;
  top: -26px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--fb-orange);
  display: grid;
  place-items: center;
  border: 5px solid #070707;
  box-sizing: border-box;
  box-shadow: 0 8px 20px rgba(255,75,18,.35);
}
.exercise-bottom-register .label { margin-top: 26px; }

/* Layout de treino em ecrã completo: tudo visível entre topo e menu */
@media (min-width: 821px) {
  body.exercise-body {
    height: 100dvh;
    overflow: hidden;
    padding-bottom: 0 !important;
  }

  .exercise-page {
    height: calc(100dvh - 92px - 100px);
    max-height: calc(100dvh - 92px - 100px);
    padding: 14px 28px 0;
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto auto;
    gap: 10px;
    overflow: hidden;
  }

  .exercise-page-actions { margin-bottom: 0; }
  .exercise-title-strip #exercise-title { font-size: clamp(24px, 2.1vw, 34px); }
  .exercise-light-btn { min-height: 38px; padding: 0 14px; }
  .exercise-hero { margin: 0 auto; width: min(760px, 100%); }
  #exercise-title { font-size: clamp(24px, 2.1vw, 34px); }
  .exercise-meta { margin-top: 6px; gap: 8px; }
  .exercise-pill { min-height: 28px; font-size: 13px; padding: 0 11px; }
  .exercise-progress-wrap { margin-top: 6px; max-width: 680px; }
  .exercise-progress-labels { margin-bottom: 6px; }
  .exercise-progress-track { height: 10px; }

  .exercise-workspace {
    min-height: 0;
    height: 100%;
    grid-template-columns: minmax(260px, 310px) minmax(0, 1fr) minmax(330px, 380px);
    gap: 18px;
    overflow: hidden;
  }

  .exercise-step-list,
  .exercise-stage,
  .exercise-side { min-height: 0; height: 100%; overflow: hidden; }

  .exercise-step-list {
    align-content: start;
    gap: 4px;
    padding: 12px 10px 10px;
  }

  .step-list-title {
    margin: 0 8px 14px;
    font-size: clamp(22px, 2vw, 32px);
    line-height: 1.25;
    max-width: 170px;
  }

  .exercise-step {
    min-height: 54px;
    grid-template-columns: 34px minmax(0, 1fr) 38px;
    gap: 8px;
    padding: 8px;
  }

  .exercise-step-number {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .exercise-step-icon {
    width: 34px;
    height: 34px;
  }

  .exercise-step-icon .material-icons { font-size: 20px; }
  .exercise-step-title { font-size: 13px; }
  .exercise-step-state { font-size: 12px; }
  .exercise-step-all { min-height: 36px; }

  #slides-container,
  .slide.active {
    height: 100%;
    min-height: 0;
  }

  .slide {
    min-height: 0;
    height: 100%;
    padding: clamp(14px, 2vh, 24px) clamp(22px, 2.5vw, 40px);
    align-content: start;
    overflow: hidden;
  }

  .slide-main-icon {
    width: clamp(46px, 5.8vh, 64px);
    height: clamp(46px, 5.8vh, 64px);
    margin-bottom: clamp(7px, 1.1vh, 12px);
  }

  .slide-main-icon .material-icons { font-size: clamp(30px, 4vh, 40px); }
  .slide h2 { font-size: clamp(21px, 2.2vw, 30px); }
  .slide-title-rule { margin: 8px auto 10px; }
  .slide-subtitle {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.35;
  }

  .slide-items-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    max-width: 100%;
    max-height: min(42vh, 390px);
    overflow: auto;
    padding-right: 4px;
  }

  .slide-item {
    min-height: 54px;
    padding: 8px 18px;
    gap: 14px;
    font-size: 15px;
  }

  .slide-item .material-icons { font-size: 27px; }
  .slide-note { margin-top: 12px; font-size: 13px; }

  .exercise-side {
    gap: 10px;
    align-content: start;
  }

  .exercise-side-card { padding: 16px; }
  .exercise-side-card h3 { font-size: 16px; margin-bottom: 10px; }
  .progress-side-body { grid-template-columns: 82px 1fr; gap: 12px; }
  .progress-ring { width: 80px; height: 80px; }
  .progress-ring::before { inset: 7px; }
  .progress-ring strong { font-size: 20px; }
  .progress-ring span { font-size: 11px; }
  .progress-details { gap: 6px; font-size: 13px; }
  .quick-actions { gap: 6px; }
  .quick-action { min-height: 78px; font-size: 12px; }
  .tip-card p { font-size: 13px; }

  .exercise-controls {
    margin: 0 auto;
    width: min(680px, 100%);
    gap: 18px;
  }

  .control-btn { min-height: 52px; }
  .control-btn.primary { font-size: 19px; }

  #timer-box {
    margin: 0 auto !important;
    padding: 8px 12px !important;
    display: none;
    width: min(420px, 100%);
  }

  #timer-display {
    font-size: 26px;
    margin-bottom: 6px;
  }

  .timer-actions .buttonStyle {
    width: 40px;
    height: 34px;
  }
}

#scorePopup {
  flex-direction: column;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72) !important;
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 18px;
  box-sizing: border-box;
}
#scorePopup h3 { color: #111; margin: 0 0 14px; }
#scorePopup form {
  background: #fff !important;
  color: #111 !important;
  padding: 20px;
  border-radius: 14px !important;
  width: min(520px, 100%) !important;
  box-shadow: 0 22px 50px rgba(0,0,0,.24);
  display: grid;
  gap: 10px;
}
#scorePopup input, #scorePopup select, #scorePopup textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--fb-border);
  border-radius: 9px;
  min-height: 42px;
  padding: 0 12px;
  color: #111;
  background: #fff;
}
#scorePopup textarea { padding-top: 10px; min-height: 82px; }
#scorePopup form button[type="submit"] { min-height: 46px; border: 0; border-radius: 9px; color: #fff; background: var(--fb-orange); font-weight: 900; cursor: pointer; }
#scorePopup button.close-popup { position: fixed !important; top: 18px !important; right: 22px !important; font-size: 34px !important; background: transparent !important; color: #fff !important; border: none !important; cursor: pointer; width: auto !important; }
#scoreHistory { width: min(520px, 100%); max-height: 220px; overflow: auto; margin-top: 14px !important; }

.social-popover {
  position: fixed;
  top: 84px;
  right: 24px;
  width: min(380px, calc(100vw - 28px));
  max-height: min(620px, calc(100vh - 120px));
  background: #fff;
  border: 1px solid var(--fb-border);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0,0,0,.18);
  z-index: 90;
  display: none;
  overflow: hidden;
}
.social-popover.open { display: grid; grid-template-rows: auto 1fr; }
.social-popover header { padding: 14px 16px; border-bottom: 1px solid var(--fb-border); display: flex; justify-content: space-between; align-items: center; color: #111; font-weight: 950; }
.social-popover-body { padding: 12px; overflow: auto; display: grid; gap: 10px; }
.social-item { border: 1px solid var(--fb-border); border-radius: 10px; padding: 10px; display: grid; gap: 6px; color: #111; background: #fff; }
.social-item strong { font-size: 14px; }
.social-item p { margin: 0; color: var(--fb-muted); font-size: 13px; line-height: 1.35; }
.social-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.social-actions button { min-height: 32px; border-radius: 8px; border: 1px solid var(--fb-border); background: #fff; color: #111; font-weight: 800; cursor: pointer; padding: 0 10px; }
.social-actions button.primary { border-color: var(--fb-orange); background: var(--fb-orange); color: #fff; }

.chat-bubble {
  position: fixed;
  right: 24px;
  bottom: 110px;
  width: min(380px, calc(100vw - 28px));
  height: min(520px, calc(100vh - 150px));
  background: #fff;
  border: 1px solid var(--fb-border);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0,0,0,.24);
  z-index: 95;
  display: none;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}
.chat-bubble.open { display: grid; }
.chat-header { min-height: 58px; background: #070707; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 14px; }
.chat-user { display: flex; align-items: center; gap: 10px; min-width: 0; font-weight: 900; }
.chat-user img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.chat-user span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-close { border: 0; background: transparent; color: #fff; cursor: pointer; }
.chat-messages { padding: 14px; overflow: auto; display: grid; align-content: end; gap: 8px; background: #f5f6f8; }
.chat-msg { max-width: 82%; border-radius: 14px; padding: 9px 11px; background: #fff; color: #111; box-shadow: 0 5px 14px rgba(15,23,42,.06); justify-self: start; font-size: 14px; line-height: 1.35; }
.chat-msg.mine { background: var(--fb-orange); color: #fff; justify-self: end; }
.chat-msg small { display: block; opacity: .65; margin-top: 4px; font-size: 11px; }
.typing-indicator { display: inline-flex; align-items: center; gap: 5px; color: var(--fb-muted); font-weight: 800; }
.typing-indicator span { width: 6px; height: 6px; border-radius: 50%; background: #9ca3af; animation: typingPulse 1s infinite ease-in-out; }
.typing-indicator span:nth-child(2) { animation-delay: .14s; }
.typing-indicator span:nth-child(3) { animation-delay: .28s; }
@keyframes typingPulse {
  0%, 80%, 100% { transform: translateY(0); opacity: .45; }
  40% { transform: translateY(-4px); opacity: 1; }
}
.chat-form { display: grid; grid-template-columns: 1fr 46px; gap: 8px; padding: 10px; border-top: 1px solid var(--fb-border); background: #fff; }
.chat-form input { border: 1px solid var(--fb-border); border-radius: 999px; min-height: 42px; padding: 0 14px; }
.chat-form button { border: 0; border-radius: 50%; background: var(--fb-orange); color: #fff; cursor: pointer; }

@media (max-width: 1180px) {
  .exercise-nav { gap: 24px; }
  .exercise-page { padding-left: 18px; padding-right: 18px; }
  .exercise-workspace { grid-template-columns: minmax(220px, 260px) minmax(0, 1fr) minmax(280px, 330px); gap: 12px; }
  .exercise-side { grid-column: auto; grid-template-columns: 1fr; }
  .progress-side-body { grid-template-columns: 76px 1fr; }
  .progress-ring { width: 74px; height: 74px; }
  .exercise-side-card { padding: 12px; }
  .quick-action { padding: 0 9px; }
}

@media (max-width: 820px) {
  body.exercise-body {
    height: 100dvh;
    overflow: hidden;
    padding-bottom: 0 !important;
  }
  .exercise-topbar { display: none; }
  .exercise-mobile-topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    height: 106px;
    min-height: 106px;
    background: #090909;
    color: #fff;
    display: grid;
    grid-template-columns: 48px 1fr 48px;
    align-items: end;
    padding: 0 22px 14px;
    box-sizing: border-box;
    border-bottom: 1px solid rgba(255,255,255,.04);
  }
  .exercise-mobile-topbar img { width: 178px; max-height: 58px; object-fit: contain; justify-self: center; }
  .exercise-page {
    height: calc(100dvh - 106px - 82px);
    max-height: calc(100dvh - 106px - 82px);
    padding: 10px 14px 0;
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto auto;
    gap: 8px;
    overflow: hidden;
  }
  .exercise-page-actions { display: none; }
  .exercise-hero { margin: 0; }
  #exercise-title { font-size: clamp(19px, 6vw, 25px); line-height: 1.08; }
  .exercise-meta { margin-top: 8px; gap: 6px; }
  .exercise-pill { min-height: 27px; padding: 0 9px; font-size: 12px; }
  .exercise-progress-wrap { margin-top: 10px; }
  .exercise-progress-labels { margin-bottom: 5px; font-size: 13px; }
  .exercise-progress-track { height: 9px; }
  .exercise-workspace { display: block; min-height: 0; overflow: hidden; }
  .exercise-step-list, .exercise-side { display: none; }
  .exercise-stage,
  #slides-container,
  .slide.active { }
  .slide {
    min-height: 0;
    height: 100%;
    padding: 14px 14px 12px;
    align-content: start;
    overflow: hidden;
  }
  .slide-main-icon { width: clamp(50px, 8vh, 66px); height: clamp(50px, 8vh, 66px); margin-bottom: 10px; }
  .slide-main-icon .material-icons { font-size: 31px; }
  .slide h2 { font-size: clamp(18px, 5vw, 22px); line-height: 1.14; }
  .slide-title-rule { margin: 8px auto 10px; width: 58px; }
  .slide-subtitle {
    margin-bottom: 10px;
    font-size: 12px;
    line-height: 1.3;
  }
  .slide-items-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    max-height: min(34vh, 260px);
    overflow: auto;
    padding-right: 2px;
  }
  .slide-item { min-height: 44px; padding: 8px 12px; font-size: 13px; gap: 10px; }
  .slide-item .material-icons { font-size: 22px; }
  .slide-note { margin-top: 8px; font-size: 11px; line-height: 1.25; }
  .exercise-controls { margin: 0; grid-template-columns: 1fr 64px 1fr; gap: 10px; }
  .control-btn { min-height: 48px; font-size: 13px; border-radius: 9px; }
  .control-btn.primary { font-size: 0; }
  .control-btn.primary .material-icons { font-size: 36px; }
  #timer-box {
    margin: 0 auto !important;
    padding: 6px 10px !important;
    width: min(320px, 100%);
  }
  #timer-display { font-size: 22px; margin-bottom: 4px; }
  .timer-actions .buttonStyle { width: 36px; height: 30px; }
  .mobile-step-dots { display: flex; justify-content: space-between; gap: 8px; overflow: hidden; padding: 0 0 6px; }
  .mobile-step-dot { flex: 1 1 0; min-width: 0; display: grid; place-items: center; gap: 5px; color: #111; font-size: 12px; font-weight: 900; border: 0; background: transparent; cursor: pointer; }
  .mobile-step-dot .dot-icon { width: clamp(34px, 9vw, 44px); height: clamp(34px, 9vw, 44px); border-radius: 50%; border: 1px solid var(--fb-border); background: #f7f8fa; display: grid; place-items: center; }
  .mobile-step-dot .material-icons { font-size: 20px; }
  .mobile-step-dot.is-active { color: var(--fb-orange); }
  .mobile-step-dot.is-active .dot-icon { border: 2px solid var(--fb-orange); background: #fff6f1; }
  .exercise-bottom-menu { left: 0; right: 0; bottom: 0; width: 100%; min-height: 82px; border-radius: 18px 18px 0 0; padding-bottom: env(safe-area-inset-bottom); transform: none; }
  .exercise-bottom-register .plus-bubble { top: -24px; width: 58px; height: 58px; border-color: #070707; }
  .social-popover { top: 96px; right: 10px; }
  .chat-bubble { right: 10px; bottom: 92px; width: calc(100vw - 20px); height: min(520px, calc(100vh - 120px)); }
}

@media (max-width: 820px) {
  .exercise-mobile-topbar {
    grid-template-columns: 42px 1fr 42px;
  }

  .exercise-mobile-topbar img {
    justify-self: center;
  }
}

@media (max-width: 420px) {
  .exercise-bottom-menu a { font-size: 11px; }
  .exercise-bottom-menu .material-icons { font-size: 24px; }
  .control-btn span:not(.material-icons) { display: none; }
  .slide { min-height: 0; }
  .exercise-pill { font-size: 11px; padding: 0 7px; }
  .slide-note { display: none; }
  .mobile-step-dot { font-size: 10px; }
}

@media (max-height: 720px) and (max-width: 820px) {
  .exercise-mobile-topbar { height: 96px; min-height: 96px; padding-bottom: 12px; }
  .exercise-mobile-topbar img { width: 160px; max-height: 52px; }
  .exercise-page {
    height: calc(100dvh - 96px - 72px);
    max-height: calc(100dvh - 96px - 72px);
    padding-top: 8px;
    gap: 6px;
  }
  .exercise-bottom-menu { min-height: 72px; }
  #exercise-title { font-size: 19px; }
  .exercise-meta { margin-top: 6px; }
  .exercise-pill { min-height: 23px; font-size: 11px; }
  .exercise-progress-wrap { margin-top: 7px; }
  .slide-main-icon { width: 44px; height: 44px; margin-bottom: 7px; }
  .slide-main-icon .material-icons { font-size: 25px; }
  .slide h2 { font-size: 18px; }
  .slide-title-rule { margin: 6px auto 7px; }
  .slide-subtitle { display: none; }
  .slide-items-grid { max-height: min(31vh, 190px); gap: 6px; }
  .slide-item { min-height: 38px; padding: 6px 10px; font-size: 12px; }
  .slide-note { display: none; }
  .control-btn { min-height: 42px; }
  .mobile-step-dot .dot-icon { width: 32px; height: 32px; }
  .mobile-step-dot .material-icons { font-size: 18px; }
}

@media (max-height: 760px) and (min-width: 821px) {
  .exercise-topbar { height: 86px; }
  .exercise-logo img { width: 244px; max-height: 66px; }
  .exercise-page {
    height: calc(100dvh - 86px - 92px);
    max-height: calc(100dvh - 86px - 92px);
    grid-template-rows: auto auto minmax(0, 1fr) auto auto;
    gap: 8px;
    padding-top: 10px;
  }
  .exercise-bottom-menu { min-height: 68px; bottom: 14px; }
  #exercise-title { font-size: 28px; }
  .exercise-meta { margin-top: 7px; }
  .exercise-progress-wrap { margin-top: 9px; }
  .slide-main-icon { width: 54px; height: 54px; margin-bottom: 8px; }
  .slide-main-icon .material-icons { font-size: 28px; }
  .slide h2 { font-size: 22px; }
  .slide-subtitle { display: none; }
  .slide-title-rule { margin: 7px auto 9px; }
  .slide-items-grid { max-height: min(39vh, 290px); }
  .slide-note { display: none; }
  .exercise-side-card { padding: 12px; }
  .control-btn { min-height: 46px; }
}

/* Overrides finais contra css/style.css antigo */
body.exercise-body {
  overflow-y: auto !important;
}

body.exercise-body h2,
.slide h2,
#timer-display {
  border: 0 !important;
  border-bottom: 0 !important;
}

.slide.active {
  align-items: stretch !important;
  justify-items: center;
}

.slide-main-icon,
.slide h2,
.slide-title-rule,
.slide-subtitle,
.slide-items-grid,
.slide-note {
  position: relative;
  z-index: 1;
}

.slide-items-grid {
  width: min(100%, 640px);
  grid-template-columns: 1fr !important;
  align-self: start;
}

.slide-item {
  width: 100%;
  box-sizing: border-box;
}

#timer-box {
  position: fixed !important;
  right: 32px;
  bottom: 112px;
  width: 220px !important;
  margin: 0 !important;
  padding: 10px 12px !important;
  z-index: 44;
}

#timer-display {
  font-size: 30px !important;
  line-height: 1 !important;
  margin: 0 0 8px !important;
  padding: 0 !important;
  color: #111 !important;
}

#timer-box .timer-actions {
  display: flex !important;
  justify-content: center;
  gap: 8px;
}

#timer-box .buttonStyle {
  width: 38px !important;
  height: 34px !important;
  min-width: 0 !important;
  padding: 0 !important;
}

@media (min-width: 821px) {
  .exercise-page {
    min-height: calc(100dvh - 92px - 100px);
    overflow: visible;
  }

  .exercise-workspace,
  .exercise-stage,
  .exercise-side,
  .exercise-step-list {
    overflow: visible;
  }

  .slide {
    overflow: visible;
  }

  .slide-items-grid {
    max-height: min(45vh, 390px);
    overflow-y: auto;
  }
}

@media (max-width: 820px) {
  .exercise-page {
    min-height: calc(100dvh - 104px - 82px);
    overflow: visible;
  }

  .exercise-workspace,
  .exercise-stage,
  #slides-container,
  .slide {
    overflow: visible;
  }

  .slide-items-grid {
    max-height: min(34vh, 270px);
    overflow-y: auto;
  }

  #timer-box {
    left: 50%;
    right: auto;
    bottom: 92px;
    transform: translateX(-50%);
    width: 168px !important;
    padding: 8px 10px !important;
  }

  #timer-display {
    font-size: 24px !important;
  }
}

@media (max-height: 720px) {
  #timer-box {
    width: 156px !important;
    padding: 6px 8px !important;
  }

  #timer-display {
    font-size: 21px !important;
  }
}

/* Mockup final: cronómetro integrado na coluna direita, nunca flutuante nesta página */
.exercise-side .timer-card #timer-box {
  position: static !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  transform: none !important;
  width: 100% !important;
  display: block !important;
}

.exercise-side .timer-card #timer-display {
  font-size: clamp(42px, 4.8vw, 62px) !important;
  line-height: 1 !important;
  margin: 4px 0 18px !important;
}

.exercise-side .timer-card .timer-actions {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.exercise-side .timer-card .buttonStyle {
  width: 100% !important;
  height: 44px !important;
  min-width: 0 !important;
}

@media (max-width: 820px) {
  .exercise-workspace .exercise-side {
    display: block;
    height: auto;
    margin-top: 4px;
  }

  .exercise-workspace .exercise-side .exercise-side-card:not(.timer-card) {
    display: none;
  }

  .exercise-side .timer-card {
    padding: 6px 8px;
    border-radius: 10px;
  }

  .exercise-side .timer-card h3 {
    display: none;
  }

  .exercise-side .timer-card #timer-display {
    font-size: 20px !important;
    margin: 0 0 5px !important;
  }

  .exercise-side .timer-card .timer-actions {
    gap: 6px;
    max-width: 138px;
    margin: 0 auto;
  }

  .exercise-side .timer-card .buttonStyle {
    height: 28px !important;
    border-radius: 7px !important;
  }
}

@media (max-width: 820px) {
  .exercise-page {
    grid-template-rows: auto minmax(0, 1fr) auto auto;
  }

  .exercise-workspace {
    min-height: 0;
  }

  .exercise-stage,
  #slides-container,
  .slide.active { }

  .slide {
    padding: 10px 10px 8px;
    display: none;
  }

  .slide.active {
    display: grid;
    grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  }

  .slide-main-icon {
    width: 34px;
    height: 34px;
    margin-bottom: 6px;
  }

  .slide-main-icon .material-icons {
    font-size: 20px;
  }

  .slide h2 {
    font-size: 16px;
    line-height: 1.1;
  }

  .slide-title-rule {
    width: 42px;
    height: 2px;
    margin: 5px auto 6px;
  }

  .slide-subtitle {
    font-size: 11px;
    margin-bottom: 6px;
  }

  .slide-items-grid {
    max-height: none;
    height: 100%;
    overflow-y: auto;
    gap: 6px;
  }

  .slide-item {
    min-height: 36px;
    grid-template-columns: 24px minmax(0, 1fr) auto;
    gap: 8px;
    padding: 6px 9px;
    font-size: 12px;
    border-radius: 8px;
  }

  .slide-item .material-icons {
    font-size: 18px;
  }

  .slide-item em {
    min-height: 22px;
    min-width: 0;
    padding: 0 7px;
    border-radius: 7px;
    font-size: 10px;
  }

  .slide-note {
    margin-top: 5px;
    font-size: 10px;
  }

  .exercise-controls {
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    grid-template-columns: auto auto auto;
    gap: 7px;
  }

  .control-btn {
    min-height: 34px;
    width: auto;
    padding: 0 10px;
    gap: 4px;
    font-size: 11px;
    border-radius: 8px;
  }

  .control-btn .material-icons {
    font-size: 18px;
  }

  .control-btn.primary {
    width: 44px;
    min-width: 44px;
    padding: 0;
  }

  .control-btn.primary .material-icons {
    font-size: 25px;
  }

  .mobile-step-dots {
    justify-content: center;
    gap: 6px;
    padding: 0 0 14px;
    margin-bottom: 8px;
    position: relative;
    z-index: 46;
  }

  .mobile-step-dot {
    flex: 0 0 auto;
    width: 34px;
    gap: 3px;
    font-size: 9px;
  }

  .mobile-step-dot .dot-icon {
    width: 26px;
    height: 26px;
  }

  .mobile-step-dot .material-icons {
    font-size: 15px;
  }
}