/**
 * Responsive rules for ep-ui-redesign
 * Breakpoints: mobile <640 | tablet 640-1023 | desktop >=1024 | large >=1440
 */

/* ---------- Floating tools：废除心轴负 margin ---------- */
.ep-ui-redesign .right-sidebar,
.ep-ui-redesign .ep-floating-tools {
  position: fixed;
  right: max(var(--floating-tools-offset), env(safe-area-inset-right, 0px));
  left: auto;
  top: auto;
  bottom: max(24px, env(safe-area-inset-bottom, 0px));
  margin: 0;
  z-index: 90;
  transform: none;
}

.ep-ui-redesign .right-sidebar ul,
.ep-ui-redesign .ep-floating-tools ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

@media (max-width: 1023px) {
  .ep-ui-redesign .right-sidebar li .tit,
  .ep-ui-redesign .ep-floating-tools li .tit {
    display: none;
  }

  .ep-ui-redesign .right-sidebar li,
  .ep-ui-redesign .ep-floating-tools li {
    width: 44px;
    min-height: 44px;
  }
}

@media (max-width: 639px) {
  /* 窄屏：收成底部 FAB 条，不占右侧内容 */
  .ep-ui-redesign .right-sidebar,
  .ep-ui-redesign .ep-floating-tools {
    right: 50%;
    bottom: max(12px, env(safe-area-inset-bottom, 0px));
    transform: translateX(50%);
  }

  .ep-ui-redesign .right-sidebar ul,
  .ep-ui-redesign .ep-floating-tools ul {
    flex-direction: row;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 4px 8px;
    box-shadow: var(--shadow-md);
  }

  .ep-ui-redesign .right-sidebar li,
  .ep-ui-redesign .ep-floating-tools li {
    width: 40px;
    min-height: 40px;
  }
}

/* ---------- Header / Nav 折叠提示（壳级，不缩字号硬塞） ---------- */
@media (max-width: 1023px) {
  .ep-ui-redesign .ep-global-nav__list {
    display: none;
  }

  .ep-ui-redesign .ep-global-nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
  }

  .ep-ui-redesign .ep-global-nav.is-open .ep-global-nav__list {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3);
    z-index: 100;
    max-height: min(70vh, 480px);
    overflow: auto;
  }
}

@media (min-width: 1024px) {
  .ep-ui-redesign .ep-global-nav__toggle {
    display: none;
  }

  .ep-ui-redesign .ep-global-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    list-style: none;
    margin: 0;
    padding: 0;
  }
}

/* ---------- Form grid ---------- */
.ep-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 639px) {
  .ep-form-grid {
    grid-template-columns: 1fr;
  }

  .ep-breadcrumb:not(.ep-breadcrumb--keep-full) {
    /* 移动：只保留返回式 */
  }
}

/* ---------- Stepper ---------- */
.ep-stepper {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-2);
}

.ep-stepper__item {
  flex: 1 0 auto;
  min-width: 120px;
  text-align: center;
  color: var(--color-text-muted);
}

.ep-stepper__item.is-active {
  color: var(--color-primary);
  font-weight: 600;
}

.ep-stepper--compact .ep-stepper__desc {
  display: none;
}

.ep-stepper--mobile {
  display: none;
}

@media (max-width: 1023px) {
  .ep-stepper--desktop-full .ep-stepper__desc {
    display: none;
  }
}

@media (max-width: 639px) {
  .ep-stepper--desktop-full {
    display: none;
  }

  .ep-stepper--mobile {
    display: block;
    font-size: var(--font-size-md);
  }
}

/* ---------- Dialog 尺寸 token（配合 Element custom-class） ---------- */
.ep-ui-redesign .ep-dialog--sm {
  max-width: var(--dialog-max-sm);
}

.ep-ui-redesign .ep-dialog--md {
  max-width: var(--dialog-max-md);
}

.ep-ui-redesign .ep-dialog--lg {
  max-width: var(--dialog-max-lg);
}

.ep-ui-redesign .ep-dialog--xl {
  max-width: var(--dialog-max-xl);
}

@media (max-width: 1023px) {
  .ep-ui-redesign .el-dialog {
    width: calc(100% - 48px) !important;
    max-width: none;
    margin-top: 8vh !important;
  }
}

@media (max-width: 639px) {
  .ep-ui-redesign .el-dialog {
    width: 100% !important;
    margin: 0 !important;
    max-height: 100dvh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
  }
}

/* 视口工具栏（playground） */
.ep-viewport-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-4);
}

.ep-viewport-bar button {
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.ep-viewport-bar button.is-active {
  border-color: var(--color-primary);
  color: var(--color-primary);
}