/**
 * Controle Financeiro — design system (tom azul do login).
 * Carregar antes de styles.css e mobile-v2.css.
 */
:root {
  --brand-deep: #0f3460;
  --brand: #174a8a;
  --brand-mid: #1a5294;
  --brand-light: #1e5aa8;
  --brand-soft: #e8f0fa;
  --brand-soft-2: #f0f5fc;

  --primary: #174a8a;
  --primary-hover: #123d72;
  --primary-active: #0f3460;
  --primary-fg: #ffffff;
  --primary-shadow: 0 2px 10px rgba(23, 74, 138, 0.28);

  --secondary-bg: #ffffff;
  --secondary-hover: #e8f0fa;
  --secondary-border: #b8c9e6;
  --secondary-fg: #174a8a;

  --danger-fg: #b91c1c;
  --danger-border: #fecaca;
  --danger-bg: #fff;
  --danger-hover: #fef2f2;

  --btn-radius: 10px;
  --btn-font-size: 0.875rem;
  --btn-font-size-sm: 0.8125rem;
  --btn-padding-y: 0.55rem;
  --btn-padding-x: 1rem;
  --btn-padding-sm-y: 0.4rem;
  --btn-padding-sm-x: 0.75rem;
  --btn-min-height: 2.5rem;
  --btn-min-height-sm: 2.125rem;

  /* Alinhar tokens legados do desktop */
  --blue-deep: var(--brand-deep);
  --blue-mid: var(--brand);
  --blue-light: var(--brand-mid);
}

/* —— Botões (desktop + mobile + login) —— */
.btn,
.m-btn,
button.btn,
button.m-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: var(--btn-min-height);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  border-radius: var(--btn-radius);
  border: 1.5px solid transparent;
  font-family: var(--font-display, Inter, system-ui, sans-serif);
  font-size: var(--btn-font-size);
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.1s ease;
}

.btn:disabled,
.m-btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--sm,
.m-btn--compact,
.btn--xs {
  min-height: var(--btn-min-height-sm);
  padding: var(--btn-padding-sm-y) var(--btn-padding-sm-x);
  font-size: var(--btn-font-size-sm);
}

.btn--block {
  width: 100%;
}

/* Primário — azul sólido (login) */
.btn.primary,
.btn--primary,
.m-btn--primary,
.m-btn.m-btn--primary,
.m-shop-panel .m-btn--primary {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
  box-shadow: var(--primary-shadow);
}

.btn.primary:hover,
.btn--primary:hover,
.m-btn--primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 4px 14px rgba(23, 74, 138, 0.32);
}

.btn.primary:active,
.m-btn--primary:active {
  background: var(--primary-active);
  border-color: var(--primary-active);
  transform: translateY(1px);
}

/* Secundário — contorno azul (substitui amarelo) */
.btn.secondary,
.btn--secondary,
.m-btn--secondary {
  background: var(--secondary-bg);
  color: var(--secondary-fg);
  border-color: var(--secondary-border);
  box-shadow: none;
}

.btn.secondary:hover,
.btn--secondary:hover,
.m-btn--secondary:hover:not(:disabled) {
  background: var(--secondary-hover);
  border-color: var(--brand);
}

/* Fantasma / link */
.btn.ghost,
.btn--ghost,
.m-btn--ghost {
  background: transparent;
  color: var(--secondary-fg);
  border-color: transparent;
  box-shadow: none;
  min-height: auto;
}

.btn.ghost:hover,
.m-btn--ghost:hover:not(:disabled) {
  background: var(--brand-soft);
}

/* Perigo */
.btn.danger,
.btn--danger,
.admin-tool-card__btn--danger,
.admin-tool-card .btn.secondary.admin-tool-card__btn--danger {
  background: var(--danger-bg);
  color: var(--danger-fg);
  border-color: var(--danger-border);
}

.btn.danger:hover,
.admin-tool-card__btn--danger:hover {
  background: var(--danger-hover);
}

/* FAB mobile */
.m-fab {
  background: var(--primary);
  color: var(--primary-fg);
  border: none;
  box-shadow: var(--primary-shadow);
}

.m-fab:hover {
  background: var(--primary-hover);
}