:root {
  --bg: #0b0b12;
  --card: #15141f;
  --card-border: #232231;
  --purple: #7c5cff;
  --purple-soft: rgba(124, 92, 255, 0.15);
  --text: #f2f1f7;
  --text-dim: #9997a8;
  --blue: #4f8dfd;
  --green: #3fc98a;
  --orange: #f5a623;
  --cyan: #22d3ee;
  --pink: #ec4899;
  --lime: #a3e635;
  --teal: #14b8a6;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: 40px;
}

.topbar {
  padding: 20px 20px 12px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  border-bottom: 1px solid var(--card-border);
}

.topbar h1 { margin: 0; font-size: 22px; }

.main-tabs { display: flex; gap: 8px; }

.tab-btn {
  flex: 1;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text-dim);
  font-size: 15px;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--purple-soft);
  border-color: var(--purple);
  color: var(--text);
  font-weight: 600;
}

#app { padding: 16px; max-width: 640px; margin: 0 auto; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.workout-switch { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }

.workout-switch button {
  flex: 1 1 calc(33.333% - 6px);
  min-width: 90px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
}

.workout-switch button.active {
  border-color: var(--purple);
  color: var(--text);
  background: var(--purple-soft);
  font-weight: 600;
}

.exercise-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
}

.exercise-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }

.exercise-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--purple-soft);
  color: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.exercise-head h3 { margin: 0; font-size: 17px; }

.exercise-note { color: var(--text-dim); font-size: 13.5px; margin: 0 0 12px 38px; }

.badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }

.badge {
  background: #1c1b29;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-dim);
}

.weight-row { display: flex; align-items: center; gap: 8px; }

.weight-row input {
  flex: 1;
  background: #1c1b29;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 14px;
}

.weight-row input:focus { outline: 1px solid var(--purple); }

.weight-row button {
  background: var(--purple);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}

.evolution-toggle {
  margin-top: 10px;
  background: none;
  border: none;
  color: var(--purple);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 0;
}

.evolution-panel {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--card-border);
  display: none;
}

.evolution-panel.open { display: block; }

.evolution-empty { color: var(--text-dim); font-size: 13px; }

.saved-flash { color: var(--green); font-size: 12px; margin-left: 4px; }

.calendar-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }

.calendar-header h2 { margin: 0; font-size: 17px; text-transform: capitalize; }

.icon-btn {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
}

.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 12.5px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.calendar-legend span { display: flex; align-items: center; gap: 6px; }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

.dot.w1 { background: var(--purple); }
.dot.w2 { background: var(--blue); }
.dot.w3 { background: var(--green); }
.dot.w4 { background: var(--pink); }
.dot.w5 { background: var(--lime); }
.dot.jiujitsu { background: var(--orange); }
.dot.natacao { background: var(--cyan); }

.quick-log { margin-bottom: 18px; }

.quick-log-label {
  font-size: 12.5px;
  color: var(--text-dim);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.quick-log-buttons { display: flex; gap: 8px; flex-wrap: wrap; }

.quick-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
}

.quick-btn.active { color: var(--text); font-weight: 600; border-color: currentColor; }

.quick-btn.w1.active { border-color: var(--purple); background: var(--purple-soft); color: var(--text); }
.quick-btn.w2.active { border-color: var(--blue); background: rgba(79,141,253,0.15); color: var(--text); }
.quick-btn.w3.active { border-color: var(--green); background: rgba(63,201,138,0.15); color: var(--text); }
.quick-btn.w4.active { border-color: var(--pink); background: rgba(236,72,153,0.15); color: var(--text); }
.quick-btn.w5.active { border-color: var(--lime); background: rgba(163,230,53,0.15); color: var(--text); }
.quick-btn.jiujitsu.active { border-color: var(--orange); background: rgba(245,166,35,0.15); color: var(--text); }
.quick-btn.natacao.active { border-color: var(--cyan); background: rgba(34,211,238,0.15); color: var(--text); }

.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }

.cal-weekday { text-align: center; font-size: 11px; color: var(--text-dim); padding-bottom: 4px; }

.cal-day {
  aspect-ratio: 1;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  gap: 4px;
  position: relative;
}

.cal-day.empty { visibility: hidden; cursor: default; }
.cal-day.today { border-color: var(--purple); }
.cal-day.selected { outline: 2px solid var(--purple); }

.cal-dots { display: flex; gap: 3px; }
.cal-day .dot { width: 6px; height: 6px; }

.day-picker {
  margin-top: 14px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 14px;
}

.day-picker.hidden { display: none; }
.day-picker p { margin: 0 0 10px; font-size: 14px; color: var(--text-dim); }
.day-picker-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.pick-btn {
  flex: 1;
  min-width: 100px;
  padding: 9px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: #1c1b29;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.pick-btn.w1:hover, .pick-btn.w1.active { border-color: var(--purple); background: var(--purple-soft); }
.pick-btn.w2:hover, .pick-btn.w2.active { border-color: var(--blue); background: rgba(79,141,253,0.15); }
.pick-btn.w3:hover, .pick-btn.w3.active { border-color: var(--green); background: rgba(63,201,138,0.15); }
.pick-btn.w4:hover, .pick-btn.w4.active { border-color: var(--pink); background: rgba(236,72,153,0.15); }
.pick-btn.w5:hover, .pick-btn.w5.active { border-color: var(--lime); background: rgba(163,230,53,0.15); }
.pick-btn.jiujitsu:hover, .pick-btn.jiujitsu.active { border-color: var(--orange); background: rgba(245,166,35,0.15); }
.pick-btn.natacao:hover, .pick-btn.natacao.active { border-color: var(--cyan); background: rgba(34,211,238,0.15); }

.clear-day-btn {
  width: 100%;
  margin-top: 10px;
  padding: 9px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: none;
  color: #ff6b6b;
  font-size: 13px;
  cursor: pointer;
}

.stats { margin-top: 20px; }
.stats-row { display: flex; gap: 12px; }

.stat-box {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}

.stat-box .num { font-size: 22px; font-weight: 700; }
.stat-box .label { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.stats-breakdown { margin-top: 10px; font-size: 12.5px; color: var(--text-dim); text-align: center; }

.fig-box {
  width: 100%;
  max-width: 220px;
  margin: 0 auto 12px;
  aspect-ratio: 1 / 1;
  background: #0e0d16;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
}

.photo-fade { position: relative; width: 100%; height: 100%; }

.photo-fade .frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.photo-fade .frame-a { animation: crossfade-a 3.2s ease-in-out infinite; }
.photo-fade .frame-b { animation: crossfade-b 3.2s ease-in-out infinite; }

@keyframes crossfade-a {
  0%, 40% { opacity: 1; }
  50%, 90% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes crossfade-b {
  0%, 40% { opacity: 0; }
  50%, 90% { opacity: 1; }
  100% { opacity: 0; }
}

/* ---------- topo: status de sincronização e sair ---------- */

.topbar-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.topbar-row h1 { margin: 0; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }

.sync-status,
.logout-btn {
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
}

.sync-status.warn { border-color: var(--orange); color: var(--orange); }
.sync-status.hidden,
.logout-btn.hidden { display: none; }

/* ---------- login ---------- */

.login-view {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--bg);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 16px 16px;
}

.login-view.hidden { display: none; }

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card h2 { margin: 0; font-size: 20px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }

.login-card input {
  background: #1c1b29;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--text);
  font-size: 16px;
}

.login-card input:focus { outline: 1px solid var(--purple); }

.login-card button[type="submit"] {
  background: var(--purple);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.login-card button[disabled] { opacity: 0.6; }
.login-hint { margin: 0; font-size: 13px; color: var(--text-dim); }
.login-hint:empty, .login-error:empty { display: none; }
.login-error { margin: 0; font-size: 13px; color: #ff6b6b; }

.login-cancel { background: none; border: none; color: var(--text-dim); font-size: 13px; cursor: pointer; }
.login-cancel.hidden { display: none; }

/* ---------- diversos ---------- */

.saved-flash.error { color: #ff6b6b; }
.empty-msg { color: var(--text-dim); font-size: 14px; text-align: center; margin-top: 30px; }

.chart-svg { max-width: 280px; }

.chart-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  max-width: 280px;
}