:root {
  --bg: #08090c;
  --bg-glow: radial-gradient(circle at 15% -10%, rgba(255, 91, 46, 0.20), transparent 45%),
             radial-gradient(circle at 100% 0%, rgba(255, 46, 109, 0.14), transparent 40%);
  --surface: #14161c;
  --surface-2: #1c1f28;
  --surface-3: #23262f;
  --border: #2a2d38;
  --text: #f6f7fa;
  --text-dim: #9aa0af;
  --text-faint: #656b7a;

  --accent: #ff5b2e;
  --accent-2: #ffb92e;
  --accent-pink: #ff2e6d;
  --gradient: linear-gradient(135deg, #ff5b2e 0%, #ff2e6d 100%);
  --gradient-soft: linear-gradient(135deg, rgba(255, 91, 46, 0.18), rgba(255, 46, 109, 0.12));
  --lime: #baff29;
  --danger: #ff4d5e;

  --radius: 18px;
  --radius-sm: 12px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image: var(--bg-glow);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 9, 12, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  max-width: 720px;
  margin: 0 auto;
}
.brand-wrap { display: flex; align-items: center; gap: 8px; }
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(255, 91, 46, 0.35);
}
.brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logout-form { display: flex; align-items: center; gap: 10px; }
.user-chip {
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}
.avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-2);
}

/* ---------- Content ---------- */
.content { padding: 18px; max-width: 720px; margin: 0 auto; }
.content.with-nav { padding-bottom: 110px; }

/* ---------- Bottom nav (app feel, ícones grandes) ---------- */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  justify-content: center;
  gap: 2px;
  background: rgba(20, 22, 28, 0.92);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  z-index: 30;
}
.nav-item {
  flex: 1;
  max-width: 92px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-faint);
  padding: 8px 4px;
  border-radius: 14px;
  transition: all 0.15s ease;
}
.nav-item .nav-icon { font-size: 1.5rem; line-height: 1; }
.nav-item.active {
  color: var(--text);
  background: var(--gradient-soft);
}
.nav-item.active .nav-icon { transform: translateY(-1px) scale(1.05); }
.nav-item:active { background: var(--surface-2); }

/* ---------- Typography ---------- */
h1 { font-size: 1.5rem; margin: 0 0 4px; letter-spacing: -0.02em; font-weight: 800; }
h2 {
  font-size: 0.78rem;
  margin: 26px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  font-weight: 700;
}
p.subtitle { color: var(--text-dim); margin: 0 0 22px; font-size: 0.92rem; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
}
.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.card-title { font-weight: 700; font-size: 1.02rem; }
.card-meta { font-size: 0.82rem; color: var(--text-dim); }

a.card:active { transform: scale(0.99); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}
.stat-card {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 8px;
  text-align: center;
}
.stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: 0.68rem;
  color: var(--text-faint);
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--gradient);
  color: #100905;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-weight: 800;
  font-size: 0.92rem;
  cursor: pointer;
  width: 100%;
  box-shadow: 0 6px 18px rgba(255, 46, 109, 0.25);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:active { transform: scale(0.98); box-shadow: 0 3px 10px rgba(255, 46, 109, 0.2); }
.btn-secondary {
  background: var(--surface-3);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-danger { background: var(--danger); color: #200; box-shadow: none; }
.btn-block { width: 100%; margin-top: 8px; }
.btn-row { display: flex; gap: 8px; }
.btn-row .btn { width: auto; flex: 1; }

/* ---------- Forms ---------- */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-weight: 600;
}
input, select, textarea {
  width: 100%;
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 13px;
  font-size: 0.95rem;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.exercise-row {
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
  position: relative;
}
.exercise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.alert {
  background: rgba(255, 77, 94, 0.12);
  border: 1px solid var(--danger);
  color: #ffb3ba;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 14px;
}
.alert-success {
  background: rgba(186, 255, 41, 0.12);
  border: 1px solid var(--lime);
  color: var(--lime);
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 44px 14px;
  font-size: 0.9rem;
}
.empty-state-icon { font-size: 2.4rem; display: block; margin-bottom: 10px; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 32px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.login-logo-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 14px;
  box-shadow: 0 8px 24px rgba(255, 91, 46, 0.4);
}
.login-logo {
  font-weight: 800;
  font-size: 1.6rem;
  margin-bottom: 4px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Exercise checklist (aluno) ---------- */
.exercise-header { display: flex; align-items: center; gap: 12px; }
.muscle-icon { width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0; }
.muscle-icon-sm { width: 26px; height: 26px; border-radius: 8px; flex-shrink: 0; }

.set-tracker {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}
.set-tracker input { width: 74px; text-align: center; padding: 10px 6px; }
.set-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 10px;
  color: var(--text-dim);
}
.set-badge.done { background: var(--gradient); color: #100905; border-color: transparent; }

.progress-diff-up { color: var(--lime); font-weight: 800; }
.progress-diff-down { color: var(--danger); font-weight: 800; }
.progress-diff-flat { color: var(--text-dim); }

table.simple-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
table.simple-table th, table.simple-table td {
  text-align: left;
  padding: 10px 6px;
  border-bottom: 1px solid var(--border);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--surface-3);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--text-dim);
  margin: 2px 4px 2px 0;
}
.tag.tag-accent {
  background: var(--gradient-soft);
  color: var(--accent-2);
  border-color: rgba(255, 91, 46, 0.35);
}

/* ---------- Catálogo de exercícios (autocomplete/picker) ---------- */
.catalog-picker { position: relative; }
.catalog-search-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-soft);
  border: 1px dashed rgba(255, 91, 46, 0.4);
  color: var(--accent-2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  margin-bottom: 10px;
}
.catalog-suggestions {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  max-height: 220px;
  overflow-y: auto;
  z-index: 40;
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
  display: none;
}
.catalog-suggestions.open { display: block; }
.catalog-suggestion-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.catalog-suggestion-item:last-child { border-bottom: none; }
.catalog-suggestion-item:hover, .catalog-suggestion-item:active { background: var(--surface-2); }
.catalog-suggestion-meta { color: var(--text-faint); font-size: 0.72rem; margin-left: auto; }

.catalog-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 50;
  display: none;
  align-items: flex-end;
  justify-content: center;
}
.catalog-modal-backdrop.open { display: flex; }
.catalog-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px 22px 0 0;
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  padding: 18px;
}
.catalog-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.catalog-groups {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 8px;
}
.catalog-group-chip {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px 6px 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-dim);
  cursor: pointer;
}
.catalog-group-chip img { width: 22px; height: 22px; border-radius: 50%; }
.catalog-group-chip.active { color: var(--text); background: var(--gradient-soft); border-color: rgba(255,91,46,0.4); }
.catalog-list { overflow-y: auto; flex: 1; }

/* ---------- Progresso / evolução ---------- */
.evolution-bar-track {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-3);
  overflow: hidden;
  margin-top: 8px;
}
.evolution-bar-fill { height: 100%; background: var(--gradient); border-radius: 999px; }

@media (min-width: 640px) {
  .content { padding: 26px; }
  .exercise-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   Layout Admin (Master / Gerente) — sidebar fixa, visão "web"
   ============================================================ */
.admin-body { margin: 0; }
.admin-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 264px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #0d0f15 0%, #12141b 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 22px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
  transition: transform 0.25s ease;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 10px; margin-bottom: 6px; }
.sidebar-role-tag {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  font-weight: 700;
  padding: 0 10px;
  margin-bottom: 26px;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--text-dim);
  font-weight: 700;
  font-size: 0.92rem;
  border-left: 3px solid transparent;
  transition: all 0.12s ease;
}
.sidebar-link:hover { background: var(--surface-2); color: var(--text); }
.sidebar-link.active {
  background: var(--gradient-soft);
  color: var(--text);
  border-left: 3px solid var(--accent);
}
.sidebar-icon { font-size: 1.2rem; filter: drop-shadow(0 0 6px rgba(255, 91, 46, 0.25)); }
.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 10px 6px;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}
.sidebar-user-name { font-size: 0.85rem; font-weight: 700; }
.sidebar-user-role { font-size: 0.7rem; color: var(--text-faint); }

.admin-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.admin-topbar {
  display: flex;
  align-items: center;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 9, 12, 0.82);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.admin-topbar-spacer { flex: 1; }
.admin-topbar-right { display: flex; align-items: center; gap: 16px; }
.admin-topbar-right .user-chip { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-dim); }

.sidebar-toggle {
  display: none;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 1.05rem;
  cursor: pointer;
}

.admin-content {
  padding: 30px 32px;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 35;
}
.sidebar-backdrop.open { display: block; }

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.55);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: inline-flex; }
  .admin-content { padding: 18px; }
  .admin-topbar { padding: 14px 16px; }
}

@media (min-width: 901px) {
  .admin-content .stat-grid { grid-template-columns: repeat(3, minmax(0, 220px)); }
}