/* SladMir — unified button design system (mini app + admin + supplier) */

:root {
  --ui-btn-height: 44px;
  --ui-btn-height-sm: 32px;
  --ui-btn-height-lg: 48px;
  --ui-btn-radius: var(--ui-radius-md, 14px);
  --ui-btn-radius-sm: var(--ui-radius-sm, 12px);
  --ui-btn-radius-pill: var(--ui-radius-pill, 999px);
  --ui-btn-primary-bg: var(--ui-primary-strong, #2563eb);
  --ui-btn-primary-bg-active: color-mix(in srgb, var(--ui-btn-primary-bg) 88%, #000);
  --ui-btn-primary-fg: var(--ui-on-primary, #fff);
  --ui-btn-primary-shadow: var(--ui-shadow-primary-btn, 0 2px 8px rgba(37, 99, 235, 0.35));
  --ui-btn-secondary-bg: var(--ui-surface, #fff);
  --ui-btn-secondary-fg: var(--ui-text, #111827);
  --ui-btn-secondary-border: var(--ui-border, #e5e7eb);
  --ui-btn-secondary-bg-active: color-mix(in srgb, var(--ui-border, #e5e7eb) 35%, var(--ui-surface, #fff));
  --ui-btn-ghost-bg: transparent;
  --ui-btn-ghost-fg: var(--ui-text, #111827);
  --ui-btn-ghost-bg-active: color-mix(in srgb, var(--ui-text, #0f172a) 6%, transparent);
  --ui-btn-link-fg: var(--ui-text-muted, #64748b);
  --ui-btn-danger-bg: #fee2e2;
  --ui-btn-danger-fg: #991b1b;
  --ui-btn-danger-border: #fecaca;
  --ui-btn-danger-bg-active: #fecaca;
  --ui-btn-disabled-opacity: 0.45;
}

/* ── Base ── */
.ui-btn,
.mini-auth-primary-btn,
.mini-auth-browser-btn {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--ui-btn-height);
  padding: 0 16px;
  border: none;
  border-radius: var(--ui-btn-radius);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  width: auto;
  max-width: 100%;
  cursor: pointer;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease,
    opacity 0.15s ease,
    transform 0.1s ease,
    box-shadow 0.15s ease;
}

.ui-btn:focus-visible,
.mini-auth-primary-btn:focus-visible,
.mini-auth-browser-btn:focus-visible,
.mini-auth-browser-back-link:focus-visible {
  outline: 2px solid var(--ui-btn-primary-bg);
  outline-offset: 2px;
}

.ui-btn:disabled,
.ui-btn[aria-disabled="true"],
.mini-auth-primary-btn:disabled,
.mini-auth-primary-btn[aria-disabled="true"],
.mini-auth-browser-btn:disabled,
.mini-auth-browser-btn[aria-disabled="true"],
.mini-auth-browser-back-link:disabled,
.mini-auth-browser-back-link[aria-disabled="true"] {
  opacity: var(--ui-btn-disabled-opacity);
  cursor: not-allowed;
  box-shadow: none;
  pointer-events: none;
}

.ui-btn.is-loading,
.ui-btn.is-busy,
.mini-auth-primary-btn.is-loading,
.mini-auth-primary-btn.is-busy,
.mini-auth-browser-btn.is-loading,
.mini-auth-browser-btn.is-busy {
  pointer-events: none;
  opacity: 0.92;
}

.ui-btn.is-loading::after,
.mini-auth-primary-btn.is-loading::after,
.mini-auth-browser-btn.is-loading::after {
  content: "";
  width: 14px;
  height: 14px;
  margin-left: 4px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ui-btn-spin 0.65s linear infinite;
}

@keyframes ui-btn-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Variants ── */
.ui-btn--primary,
.mini-auth-primary-btn,
.mini-auth-browser-btn--primary {
  background: var(--ui-btn-primary-bg);
  color: var(--ui-btn-primary-fg);
  box-shadow: var(--ui-btn-primary-shadow);
}

.ui-btn--primary:hover:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-primary-btn:hover:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-btn--primary:hover:not(:disabled):not(.is-loading):not(.is-busy) {
  background: var(--ui-btn-primary-bg-active);
}

.ui-btn--primary:active:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-primary-btn:active:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-btn--primary:active:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-btn--ghost:active:not(:disabled):not(.is-loading):not(.is-busy) {
  opacity: 0.92;
  transform: scale(0.99);
}

.ui-btn--primary:disabled,
.ui-btn--primary[aria-disabled="true"],
.mini-auth-primary-btn:disabled,
.mini-auth-primary-btn[aria-disabled="true"],
.mini-auth-browser-btn--primary:disabled,
.mini-auth-browser-btn--primary[aria-disabled="true"] {
  background: #e5e7eb;
  color: #94a3b8;
  box-shadow: none;
}

.ui-btn--secondary {
  background: var(--ui-btn-secondary-bg);
  color: var(--ui-btn-secondary-fg);
  border: 1px solid var(--ui-btn-secondary-border);
}

.ui-btn--secondary:hover:not(:disabled):not(.is-loading):not(.is-busy) {
  background: var(--ui-btn-secondary-bg-active);
}

.ui-btn--secondary:active:not(:disabled):not(.is-loading):not(.is-busy) {
  opacity: 0.92;
}

.ui-btn--ghost {
  background: var(--ui-btn-ghost-bg);
  color: var(--ui-btn-ghost-fg);
  border: 1px solid transparent;
}

.ui-btn--ghost:hover:not(:disabled):not(.is-loading):not(.is-busy) {
  background: var(--ui-btn-ghost-bg-active);
}

.ui-btn--ghost:active:not(:disabled):not(.is-loading):not(.is-busy) {
  opacity: 0.88;
}

.ui-btn--ghost.ui-btn--dashed,
.mini-auth-browser-btn--ghost {
  border: 1px dashed color-mix(in srgb, var(--ui-btn-link-fg) 35%, transparent);
  color: var(--ui-btn-link-fg);
  font-weight: 600;
}

.ui-btn--ghost.ui-btn--dashed:hover:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-btn--ghost:hover:not(:disabled):not(.is-loading):not(.is-busy) {
  background: color-mix(in srgb, var(--ui-btn-link-fg) 8%, transparent);
}

.ui-btn--link,
.mini-auth-browser-back-link {
  background: transparent;
  border: none;
  color: var(--ui-btn-link-fg);
  font-size: 13px;
  font-weight: 600;
  min-height: auto;
  padding: 4px 0;
  box-shadow: none;
  text-align: center;
}

.ui-btn--link:hover:not(:disabled):not(.is-loading):not(.is-busy) {
  color: color-mix(in srgb, var(--ui-btn-link-fg) 75%, var(--ui-text, #0f172a));
}

.ui-btn--link:active:not(:disabled):not(.is-loading):not(.is-busy) {
  opacity: 0.88;
}

.ui-btn--link:disabled,
.ui-btn--link[aria-disabled="true"] {
  background: transparent;
  color: color-mix(in srgb, var(--ui-btn-link-fg) 55%, transparent);
}

.ui-btn--danger {
  background: var(--ui-btn-danger-bg);
  color: var(--ui-btn-danger-fg);
  border: 1px solid var(--ui-btn-danger-border);
}

.ui-btn--danger:hover:not(:disabled):not(.is-loading):not(.is-busy) {
  background: var(--ui-btn-danger-bg-active);
}

.ui-btn--danger:active:not(:disabled):not(.is-loading):not(.is-busy) {
  opacity: 0.92;
}

.ui-btn--icon {
  min-width: var(--ui-btn-height-sm);
  min-height: var(--ui-btn-height-sm);
  padding: 0 10px;
}

.ui-btn--full,
.mini-auth-primary-btn,
.mini-auth-browser-btn,
.mini-auth-browser-back-link {
  width: 100%;
}

.ui-btn--large,
.mini-auth-primary-btn,
.mini-auth-browser-btn {
  min-height: var(--ui-btn-height-lg);
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--ui-btn-radius);
}

.ui-btn--small {
  min-height: var(--ui-btn-height-sm);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--ui-btn-radius-sm);
}

/* Pill tabs / segmented controls */
.ui-btn--secondary.tab-btn,
.tab-btn.ui-btn--secondary {
  border-radius: var(--ui-btn-radius-pill);
  padding: 8px 14px;
  font-size: 14px;
}

.tab-btn.active,
.ui-btn--secondary.tab-btn.active {
  background: var(--ui-btn-primary-bg);
  color: var(--ui-btn-primary-fg);
  border-color: var(--ui-btn-primary-bg);
  box-shadow: none;
}

/* ── Legacy aliases (visual = design system; keep for JS/querySelector) ── */

.ui-btn--primary,
.mcp-open-btn,
.mcp-submit-btn,
.mini-cart-checkout-btn,
.mini-supplier-primary-btn,
.vr2-btn-primary,
.mgr-settings-save-btn,
.mini-address-save-btn,
.inline-save-btn {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: var(--ui-btn-radius);
  background: var(--ui-btn-primary-bg);
  color: var(--ui-btn-primary-fg);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  box-shadow: var(--ui-btn-primary-shadow);
  transition:
    background 0.15s ease,
    opacity 0.15s ease,
    transform 0.1s ease,
    box-shadow 0.15s ease;
}

.mcp-open-btn,
.mcp-submit-btn,
.vr2-btn-primary,
.mgr-settings-save-btn,
.mini-address-save-btn,
.mini-supplier-primary-btn {
  min-height: var(--ui-btn-height);
}

.mcp-open-btn,
.vr2-btn-primary,
.mgr-settings-save-btn,
.mini-address-save-btn,
.mini-supplier-primary-btn {
  width: 100%;
  font-weight: 700;
}

.vr2-btn-primary,
.mini-address-save-btn {
  padding: 14px 18px;
  font-size: 16px;
  border-radius: 18px;
}

.mgr-settings-save-btn {
  padding: 14px 16px;
  font-size: 16px;
  border-radius: 16px;
  margin-bottom: 10px;
}

.mcp-open-btn {
  padding: 14px;
  font-size: 15px;
  border-radius: 12px;
}

.mcp-submit-btn {
  flex: 1;
  padding: 13px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 12px;
}

.mini-cart-checkout-btn {
  flex-shrink: 0;
  padding: 12px 14px;
  width: auto;
}

.mini-supplier-primary-btn {
  padding: 14px;
  font-size: 15px;
  font-weight: 900;
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.22);
}

/* ── Auth gate layout (legacy class aliases keep working without ui-btn in HTML) ── */

.mini-auth-primary-btn,
.mini-auth-browser-btn {
  width: 100%;
  min-height: var(--ui-btn-height-lg);
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 700;
}

.mini-auth-browser-back-link {
  display: block;
  width: 100%;
  min-height: auto;
  padding: 4px 0;
  text-align: center;
}

.mini-auth-browser-btn--primary {
  margin-top: 0;
}

.ui-btn--primary:hover:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-primary-btn:hover:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-btn--primary:hover:not(:disabled):not(.is-loading):not(.is-busy),
.mcp-open-btn:hover:not(:disabled),
.mcp-submit-btn:hover:not(:disabled),
.mini-cart-checkout-btn:hover:not(:disabled),
.mini-supplier-primary-btn:hover:not(:disabled),
.vr2-btn-primary:hover:not(:disabled),
.mgr-settings-save-btn:hover:not(:disabled),
.mini-address-save-btn:hover:not(:disabled),
.inline-save-btn:hover:not(:disabled) {
  background: var(--ui-btn-primary-bg-active);
}

.ui-btn--primary:active:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-primary-btn:active:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-btn--primary:active:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-btn--ghost:active:not(:disabled):not(.is-loading):not(.is-busy),
.mcp-open-btn:active:not(:disabled),
.mcp-submit-btn:active:not(:disabled),
.mini-cart-checkout-btn:active:not(:disabled),
.mini-supplier-primary-btn:active:not(:disabled),
.vr2-btn-primary:active:not(:disabled),
.mgr-settings-save-btn:active:not(:disabled),
.mini-address-save-btn:active:not(:disabled),
.inline-save-btn:active:not(:disabled) {
  opacity: 0.92;
  transform: scale(0.99);
}

.ui-btn--primary:disabled,
.ui-btn--primary[aria-disabled="true"],
.mini-auth-primary-btn:disabled,
.mini-auth-primary-btn[aria-disabled="true"],
.mini-auth-browser-btn--primary:disabled,
.mini-auth-browser-btn--primary[aria-disabled="true"],
.mcp-open-btn:disabled,
.mcp-submit-btn:disabled,
.mini-cart-checkout-btn:disabled,
.mini-supplier-primary-btn:disabled,
.vr2-btn-primary:disabled,
.mgr-settings-save-btn:disabled,
.mini-address-save-btn:disabled,
.inline-save-btn:disabled {
  opacity: var(--ui-btn-disabled-opacity);
  cursor: not-allowed;
  box-shadow: none;
  pointer-events: none;
}

.vr2-btn-primary:disabled {
  background: #e5e7eb;
  color: #94a3b8;
}

.vr2-btn-primary.is-busy,
.ui-btn--primary.is-busy {
  pointer-events: none;
  opacity: 0.92;
}

.ui-btn--secondary,
.ui-btn--small,
.tiny-btn,
.tab-btn {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: var(--ui-btn-height-sm);
  padding: 4px 10px;
  width: auto;
  border: 1px solid var(--ui-btn-secondary-border);
  border-radius: var(--ui-btn-radius-sm);
  background: var(--ui-btn-secondary-bg);
  color: var(--ui-btn-secondary-fg);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease,
    opacity 0.15s ease;
}

.tab-btn,
.ui-btn--secondary.tab-btn {
  border-radius: var(--ui-btn-radius-pill);
  padding: 8px 14px;
  font-size: 14px;
  background: #e5e7eb;
  border-color: transparent;
}

.tab-btn.active {
  background: var(--ui-btn-primary-bg);
  color: var(--ui-btn-primary-fg);
}

.inline-cancel-btn,
.ui-btn--danger {
  background: var(--ui-btn-danger-bg);
  color: var(--ui-btn-danger-fg);
  border-color: var(--ui-btn-danger-border);
}

.tiny-btn:hover:not(:disabled),
.tab-btn:hover:not(:disabled):not(.active),
.ui-btn--secondary:hover:not(:disabled):not(.active) {
  background: var(--ui-btn-secondary-bg-active);
}

.tiny-btn:active:not(:disabled),
.tab-btn:active:not(:disabled),
.ui-btn--secondary:active:not(:disabled):not(.active) {
  opacity: 0.92;
}

.ui-btn--link:hover:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-back-link:hover:not(:disabled):not(.is-loading):not(.is-busy) {
  color: color-mix(in srgb, var(--ui-btn-link-fg) 75%, var(--ui-text, #0f172a));
}

.ui-btn--link:active:not(:disabled):not(.is-loading):not(.is-busy),
.mini-auth-browser-back-link:active:not(:disabled):not(.is-loading):not(.is-busy) {
  opacity: 0.88;
}

.mini-auth-gate--browser {
  --ui-btn-link-fg: var(--ui-back-link, var(--ui-text-muted));
  --ui-btn-ghost-fg: var(--ui-text-muted);
}

@media (max-width: 420px) {
  .mini-cart-checkout-btn.ui-btn--full,
  .mini-cart-checkout-row .mini-cart-checkout-btn {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
  }
}