/* Trainer Connect — Componentes UI */

/* ============== BADGES ============== */
.tc-badge {
  display: inline-flex; align-items: center; gap: 6px;
  height: 22px; padding: 0 8px;
  border-radius: var(--tc-r-pill);
  font-size: var(--tc-text-2xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  white-space: nowrap;
}
.tc-badge--neutral { background: var(--tc-bg-3); color: var(--tc-fg-1); border-color: var(--tc-line-2); }
.tc-badge--success { background: var(--tc-success-bg); color: var(--tc-success); border-color: var(--tc-success-line); }
.tc-badge--warn    { background: var(--tc-warn-bg); color: var(--tc-warn); border-color: var(--tc-warn-line); }
.tc-badge--danger  { background: var(--tc-danger-bg); color: var(--tc-danger); border-color: var(--tc-danger-line); }
.tc-badge--accent  { background: var(--tc-accent); color: var(--tc-accent-fg); border-color: var(--tc-accent); font-weight: 600; }
.tc-badge--ghost   { background: transparent; color: var(--tc-fg-2); border-color: var(--tc-line-2); }
.tc-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ============== BUTTONS ============== */
.tc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 38px; padding: 0 16px;
  border-radius: var(--tc-r-sm);
  font-size: var(--tc-text-md);
  font-weight: 500;
  border: 1px solid transparent;
  transition: background 120ms var(--tc-ease), border-color 120ms var(--tc-ease), transform 120ms var(--tc-ease);
  white-space: nowrap;
  user-select: none;
}
.tc-btn:active { transform: translateY(0.5px); }
.tc-btn--primary { background: var(--tc-accent); color: var(--tc-accent-fg); font-weight: 600; }
.tc-btn--primary:hover { background: #f0f0f0; }
.tc-btn--secondary { background: var(--tc-bg-3); color: var(--tc-fg-0); border-color: var(--tc-line-2); }
.tc-btn--secondary:hover { background: var(--tc-bg-4); border-color: var(--tc-line-3); }
.tc-btn--ghost { background: transparent; color: var(--tc-fg-1); }
.tc-btn--ghost:hover { background: var(--tc-bg-3); color: var(--tc-fg-0); }
.tc-btn--danger { background: var(--tc-danger-bg); color: var(--tc-danger); border-color: var(--tc-danger-line); }
.tc-btn--lg { height: 48px; padding: 0 20px; font-size: var(--tc-text-base); border-radius: var(--tc-r-md); }
.tc-btn--sm { height: 30px; padding: 0 10px; font-size: var(--tc-text-sm); }
.tc-btn--icon { width: 38px; padding: 0; }
.tc-btn--block { width: 100%; }

/* ============== CARDS ============== */
.tc-card {
  background: var(--tc-bg-2);
  border: 1px solid var(--tc-line-1);
  border-radius: var(--tc-r-lg);
  padding: var(--tc-s-5);
}
.tc-card--inset { background: var(--tc-bg-1); border-color: var(--tc-line-1); }
.tc-card--elev { background: var(--tc-bg-3); }
.tc-card-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--tc-s-4); }
.tc-card-title { font-size: var(--tc-text-md); font-weight: 600; color: var(--tc-fg-0); display: flex; align-items: center; gap: 8px; }
.tc-card-title svg { color: var(--tc-fg-2); width: 16px; height: 16px; }

/* ============== INPUTS ============== */
.tc-input, .tc-select, .tc-textarea {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background: var(--tc-bg-1);
  border: 1px solid var(--tc-line-2);
  border-radius: var(--tc-r-sm);
  color: var(--tc-fg-0);
  font-size: var(--tc-text-md);
  outline: none;
  transition: border-color 120ms var(--tc-ease), background 120ms var(--tc-ease);
}
.tc-input:focus, .tc-select:focus, .tc-textarea:focus { border-color: var(--tc-line-3); background: var(--tc-bg-2); }
.tc-input::placeholder { color: var(--tc-fg-3); }
.tc-textarea { height: auto; padding: 12px; resize: vertical; min-height: 80px; line-height: 1.5; }
.tc-label { display: block; font-size: var(--tc-text-sm); color: var(--tc-fg-1); margin-bottom: 6px; font-weight: 500; }
.tc-help { font-size: var(--tc-text-xs); color: var(--tc-fg-3); margin-top: 6px; }

/* Search with icon */
.tc-search { position: relative; }
.tc-search input { padding-left: 36px; }
.tc-search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 14px; height: 14px; color: var(--tc-fg-3); }

/* ============== AVATAR ============== */
.tc-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--tc-bg-3);
  color: var(--tc-fg-1);
  font-size: var(--tc-text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--tc-line-2);
  flex-shrink: 0;
  text-transform: uppercase;
}
.tc-avatar--lg { width: 56px; height: 56px; font-size: var(--tc-text-md); }
.tc-avatar--xl { width: 84px; height: 84px; font-size: var(--tc-text-xl); }

/* ============== TABS / SEGMENTED ============== */
.tc-tabs {
  display: inline-flex;
  background: var(--tc-bg-1);
  border: 1px solid var(--tc-line-1);
  border-radius: var(--tc-r-sm);
  padding: 3px;
  gap: 2px;
}
.tc-tab {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 14px;
  border-radius: 6px;
  color: var(--tc-fg-2);
  font-size: var(--tc-text-sm);
  font-weight: 500;
  transition: background 120ms var(--tc-ease), color 120ms var(--tc-ease);
}
.tc-tab:hover { color: var(--tc-fg-1); }
.tc-tab--active { background: var(--tc-bg-3); color: var(--tc-fg-0); box-shadow: 0 1px 2px rgba(0,0,0,0.4); }

/* ============== TOGGLE / SWITCH ============== */
.tc-switch {
  position: relative;
  width: 36px; height: 20px;
  background: var(--tc-bg-4);
  border-radius: 999px;
  border: 1px solid var(--tc-line-2);
  transition: background 120ms var(--tc-ease);
  flex-shrink: 0;
}
.tc-switch::after {
  content: '';
  position: absolute; top: 1px; left: 1px;
  width: 16px; height: 16px;
  background: var(--tc-fg-1); border-radius: 50%;
  transition: transform 160ms var(--tc-ease), background 120ms var(--tc-ease);
}
.tc-switch--on { background: var(--tc-accent); border-color: var(--tc-accent); }
.tc-switch--on::after { transform: translateX(16px); background: var(--tc-accent-fg); }

/* ============== METRICS ============== */
.tc-metric { display: flex; flex-direction: column; gap: 4px; }
.tc-metric-label { font-size: var(--tc-text-xs); color: var(--tc-fg-2); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500; }
.tc-metric-value { font-family: var(--tc-font-mono); font-size: var(--tc-text-3xl); font-weight: 600; color: var(--tc-fg-0); letter-spacing: -0.03em; line-height: 1; }
.tc-metric-sub { font-size: var(--tc-text-xs); color: var(--tc-fg-2); }

/* ============== ROW (list item) ============== */
.tc-row {
  display: flex; align-items: center; gap: var(--tc-s-3);
  padding: var(--tc-s-3) var(--tc-s-4);
  border-radius: var(--tc-r-md);
  transition: background 120ms var(--tc-ease);
}
.tc-row:hover { background: var(--tc-bg-3); }
.tc-row--bordered { border: 1px solid var(--tc-line-1); }

/* ============== KBD ============== */
.tc-kbd {
  font-family: var(--tc-font-mono);
  font-size: var(--tc-text-2xs);
  padding: 2px 6px;
  background: var(--tc-bg-3);
  border: 1px solid var(--tc-line-2);
  border-radius: 4px;
  color: var(--tc-fg-2);
}

/* ============== DIVIDER ============== */
.tc-div { height: 1px; background: var(--tc-line-1); border: 0; margin: var(--tc-s-4) 0; }

/* ============== EYEBROW ============== */
.tc-eyebrow { font-size: var(--tc-text-2xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--tc-fg-2); font-weight: 500; }

/* ============== BARS (frequency chart helper) ============== */
.tc-bars { display: flex; align-items: flex-end; gap: 2px; height: 80px; }
.tc-bar { flex: 1; background: var(--tc-fg-3); border-radius: 2px 2px 0 0; min-height: 2px; transition: background 120ms var(--tc-ease); }
.tc-bar--filled { background: var(--tc-accent); }
.tc-bar--accent { background: var(--tc-success); }

/* ============== SCROLL CHIPS ============== */
.tc-chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
.tc-chips::-webkit-scrollbar { display: none; }
.tc-chip {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 12px;
  border-radius: var(--tc-r-pill);
  background: var(--tc-bg-3);
  border: 1px solid var(--tc-line-2);
  color: var(--tc-fg-1);
  font-size: var(--tc-text-sm);
  font-weight: 500;
  white-space: nowrap;
}
.tc-chip--active { background: var(--tc-accent); color: var(--tc-accent-fg); border-color: var(--tc-accent); }

/* ============== SEGMENTED (multi-option toggle, full-width) ============== */
.tc-segmented {
  height: 40px;
  padding: 0 12px;
  border-radius: var(--tc-r-sm);
  background: var(--tc-bg-1);
  border: 1px solid var(--tc-line-1);
  color: var(--tc-fg-2);
  font-size: var(--tc-text-sm);
  font-weight: 500;
  transition: background 120ms var(--tc-ease), border-color 120ms var(--tc-ease), color 120ms var(--tc-ease);
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.tc-segmented:hover { background: var(--tc-bg-3); color: var(--tc-fg-1); }
.tc-segmented--active { background: var(--tc-bg-3); border-color: var(--tc-line-3); color: var(--tc-fg-0); font-weight: 600; }

/* ============== INPUT VARIANTS ============== */
.tc-input--lg { height: 48px; font-size: var(--tc-text-base); padding: 0 14px; }
.tc-input--inline {
  height: 32px;
  padding: 0 8px;
  background: var(--tc-bg-1);
  border: 1px solid var(--tc-line-2);
  border-radius: 6px;
  width: 100%;
}

/* ============== FORM LABEL ============== */
.tc-form-label { display: block; font-size: var(--tc-text-sm); color: var(--tc-fg-1); margin-bottom: 6px; font-weight: 500; }