/* ── BOTÕES — Sistema padronizado ─────────────────────────── */
.btn {
  padding: var(--btn-pad-y) var(--btn-pad-x);
  border-radius: var(--btn-radius);
  font-size: var(--btn-font); font-family: var(--font-ui);
  font-weight: var(--btn-weight); line-height: var(--btn-line-height);
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; border: 1.5px solid var(--border);
  background: var(--surface-2); color: var(--text-main);
  text-decoration: none;
  transition: background .18s, box-shadow .18s, transform .18s, border-color .18s, color .18s;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow;
}
.btn:hover  { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn.btn-pop { animation: btn-pop .24s ease-out; }
.btn.btn-call-ping { animation: call-ping .62s ease-out; }

.btn-primary   { background: var(--primary);   color: #fff; border-color: var(--primary-dark); }
.btn-primary:hover   { background: var(--primary-dark); }
.btn-accent    { background: var(--accent);    color: #1a0a00; border-color: var(--accent-dark); }
.btn-accent:hover    { background: var(--accent-dark); color: #fff; }
.btn-danger    { background: var(--danger);    color: #fff; border-color: #991f15; }
.btn-danger:hover    { background: #991f15; }
.btn-warning   { background: #f1c40f; color: #2d1a00; border-color: #d4ac0d; }
.btn-warning:hover   { background: #d4ac0d; }
.btn-info      { background: var(--info);      color: #fff; border-color: #0f3f82; }
.btn-info:hover      { background: #0f3f82; }
.btn-secondary { background: #6c757d; color: #fff; border-color: #5a6268; }
.btn-secondary:hover { background: #5a6268; }
.btn-success   { background: var(--success);   color: #fff; border-color: #166038; }
.btn-success:hover   { background: #166038; }

.btn-call-action {
  box-shadow: 0 0 0 0 rgba(56,70,34,0.22);
}

.btn-call-action:hover {
  animation: pulse-ring 1.25s ease-out;
}

.btn-sm {
  padding: var(--btn-pad-y-sm) var(--btn-pad-x-sm);
  font-size: var(--btn-font-sm);
}

.btn-cancel-mini {
  padding: var(--btn-pad-y-mini) var(--btn-pad-x-mini);
  font-size: var(--btn-font-mini); font-family: var(--font-ui);
  font-weight: var(--btn-weight); background: var(--danger); color: #fff;
  border: none; border-radius: var(--radius-xs); cursor: pointer;
  display: inline-flex; align-items: center; gap: 4px; transition: background .18s;
}
.btn-cancel-mini:hover { background: #991f15; }

/* Header buttons sizing */
#view-operator > .panel-container > header > .flex,
#view-admin > .panel-container > header > .flex,
#view-driver > .panel-container > header > .flex,
#adm-tab-dashboard .flex.space-between > .flex {
  flex-wrap: wrap; justify-content: flex-end; row-gap: 8px;
}

#view-operator > .panel-container > header > .flex > .btn,
#view-admin > .panel-container > header > .flex > .btn,
#view-driver > .panel-container > header > .flex > .btn,
#adm-tab-dashboard .flex.space-between > .flex > .btn.btn-sm,
#view-driver .card .flex.mt-2 > .btn {
  flex: 1 1 118px; max-width: 132px; min-width: 0;
  font-size: 0.75rem; padding-left: 10px; padding-right: 10px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#view-operator #op-desk { flex: 0 0 120px; }
#session-timer-op, #session-timer-admin { flex: 0 0 auto; }

#view-admin .admin-tabs { flex-wrap: wrap; gap: 8px; }
#view-admin .admin-tabs > .btn,
#adm-tab-dashboard .flex.space-between > .flex > .btn.btn-sm {
  flex: 0 0 132px; width: 132px; min-width: 132px; max-width: 132px;
  font-size: 0.75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}