:root {
  --gym-bg: #0d1117;
  --gym-surface: #161b22;
  --gym-surface-2: #1f2630;
  --gym-border: #2d3540;
  --gym-accent: #f97316;
  --gym-accent-2: #ea580c;
  --gym-text: #e6edf3;
}

html {
  font-size: 15px;
}

@media (min-width: 768px) {
  html { font-size: 16px; }
}

body {
  background-color: var(--gym-bg);
  color: var(--gym-text);
}

.text-accent { color: var(--gym-accent) !important; }

/* ---------- Navbar ---------- */
.gym-navbar {
  background: linear-gradient(90deg, #0d1117 0%, #161b22 100%);
  border-bottom: 2px solid var(--gym-accent);
}
.gym-navbar .navbar-brand { font-size: 1.4rem; letter-spacing: .5px; }
.gym-navbar .nav-link { font-weight: 600; }
.gym-navbar .nav-link:hover { color: var(--gym-accent) !important; }

/* ---------- Cards / surfaces ---------- */
.card {
  background-color: var(--gym-surface);
  border: 1px solid var(--gym-border);
  border-radius: 14px;
}
.card-accent { border-left: 4px solid var(--gym-accent); }

/* ---------- Buttons ---------- */
.btn-gym {
  background-color: var(--gym-accent);
  border-color: var(--gym-accent);
  color: #2a1200;
  font-weight: 700;
}
.btn-gym:hover { background-color: var(--gym-accent-2); border-color: var(--gym-accent-2); color: #fff; }

.btn:focus, .btn:active:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(249, 115, 22, .35);
}

/* ---------- Progress bar ---------- */
.gym-progress {
  height: 28px;
  background-color: var(--gym-surface-2);
  border-radius: 999px;
  overflow: hidden;
}
.gym-progress .progress-bar {
  background: linear-gradient(90deg, var(--gym-accent-2), var(--gym-accent));
  font-weight: 700;
  font-size: .95rem;
  transition: width .5s ease;
}

/* ---------- Timer de descanso ---------- */
.rest-timer {
  background-color: var(--gym-surface);
  border: 1px solid var(--gym-border);
  border-left: 4px solid var(--gym-accent);
  border-radius: 14px;
  padding: .9rem 1rem 1rem;
}
.rest-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.rest-label { color: #8b97a5; font-weight: 600; font-size: .95rem; }
.rest-time {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
}
.rest-hide {
  flex: 0 0 auto;
  background: transparent;
  border: none;
  color: #8b97a5;
  font-size: 1.1rem;
  line-height: 1;
  padding: .25rem .4rem;
  border-radius: 8px;
  cursor: pointer;
  transition: color .12s, background-color .12s;
}
.rest-hide:hover { color: var(--gym-text); background: var(--gym-surface-2); }
.rest-show {
  display: block;
  width: 100%;
  background: var(--gym-surface);
  color: #8b97a5;
  border: 1px dashed var(--gym-border);
  border-radius: 14px;
  padding: .7rem;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: border-color .12s, color .12s;
}
.rest-show:hover { border-color: var(--gym-accent); color: var(--gym-text); }
.rest-running .rest-time { color: var(--gym-accent); }
.rest-paused .rest-time { opacity: .55; }
.rest-presets {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .75rem;
}
.rest-preset {
  flex: 1 1 auto;
  min-width: 60px;
  background: var(--gym-surface-2);
  color: var(--gym-text);
  border: 1px solid var(--gym-border);
  border-radius: 999px;
  padding: .55rem .4rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color .12s, border-color .12s, transform .1s;
}
.rest-preset:hover { border-color: var(--gym-accent); }
.rest-preset:active { transform: scale(.96); }
.rest-controls {
  display: flex;
  gap: .5rem;
  margin-top: .75rem;
}
.btn-rest {
  flex: 1 1 auto;
  background: var(--gym-accent);
  color: #2a1200;
  border: none;
  border-radius: 10px;
  padding: .6rem .4rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color .12s, transform .1s;
}
.btn-rest:hover { background: var(--gym-accent-2); color: #fff; }
.btn-rest:active { transform: scale(.96); }
.btn-rest-stop {
  background: var(--gym-surface-2);
  color: var(--gym-text);
  border: 1px solid var(--gym-border);
}
.btn-rest-stop:hover { background: var(--gym-border); color: var(--gym-text); }
.rest-hint {
  margin-top: .6rem;
  color: #8b97a5;
  font-size: .85rem;
}
.rest-done {
  border-color: var(--gym-accent);
  animation: restPulse .5s ease-in-out 0s 3;
}
.rest-done .rest-time { color: var(--gym-accent); }
.rest-done .rest-hint { color: var(--gym-accent); font-weight: 700; }
@keyframes restPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(249,115,22,0); }
  50% { box-shadow: 0 0 0 4px rgba(249,115,22,.45); }
}

/* ---------- Exercise list (execução) ---------- */
.exercise-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--gym-surface);
  border: 1px solid var(--gym-border);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin-bottom: .75rem;
  cursor: pointer;
  user-select: none;
  transition: background-color .15s, border-color .15s, opacity .2s;
}
.exercise-item:hover { border-color: var(--gym-accent); }
.exercise-item.done {
  opacity: .55;
  border-color: var(--gym-accent);
  background-color: var(--gym-surface-2);
}
.exercise-item.done .ex-name { text-decoration: line-through; }
.exercise-item .ex-check {
  width: 30px; height: 30px;
  flex: 0 0 auto;
  cursor: pointer;
}
.exercise-item .ex-name { font-size: 1.15rem; font-weight: 600; }
.exercise-item .ex-meta { color: var(--gym-accent); font-weight: 700; white-space: nowrap; }

/* Campo de carga (kg) na execução */
.ex-weight-wrap { display: flex; align-items: center; gap: 4px; flex: 0 0 auto; }
.ex-weight {
  width: 64px; text-align: center; font-weight: 700;
  background: var(--gym-surface-2); color: var(--gym-text);
  border: 1px solid var(--gym-border); border-radius: 10px; padding: 8px 6px; font-size: 1rem;
  -moz-appearance: textfield;
}
.ex-weight::-webkit-outer-spin-button, .ex-weight::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ex-weight:focus { outline: none; border-color: var(--gym-accent); box-shadow: 0 0 0 .15rem rgba(249,115,22,.3); }
.ex-weight.saved { border-color: var(--gym-accent); background: rgba(249,115,22,.15); }
.ex-weight-unit { color: #8b97a5; font-size: .85rem; }

/* ---------- Big touch start buttons ---------- */
.plan-pick {
  display: block;
  background-color: var(--gym-surface);
  border: 1px solid var(--gym-border);
  border-left: 4px solid var(--gym-accent);
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: .9rem;
  text-decoration: none;
  color: var(--gym-text);
  transition: transform .12s, border-color .12s;
}
.plan-pick:hover { transform: translateY(-2px); color: var(--gym-text); border-color: var(--gym-accent); }

.done-banner {
  text-align: center;
  padding: 1.5rem;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--gym-accent-2), var(--gym-accent));
  color: #2a1200;
  font-size: 1.4rem;
  font-weight: 800;
}
.done-duration {
  margin-top: .4rem;
  font-size: 1.05rem;
  font-weight: 700;
  opacity: .9;
}

a { color: var(--gym-accent); }
a:hover { color: var(--gym-accent-2); }

.footer {
  background-color: var(--gym-bg);
  border-top: 1px solid var(--gym-border) !important;
}