/* ============================================================
   LEAP · Shared Components
   ------------------------------------------------------------
   跨前台/后台复用的构件：按钮、徽标(tags)、导航、页脚、
   购物车抽屉、表单、表格、提示条(Toast)。
   依赖 theme.css 的设计令牌。
   ============================================================ */

/* ---------- 按钮：直角矩形，黑面 ↔ 金面反转 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 30px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  overflow: hidden;
  transition: color var(--t-mid) ease, border-color var(--t-mid) ease;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateY(101%);
  transition: transform var(--t-mid) var(--ease);
}
.btn > * {
  position: relative;
}
.btn:hover {
  color: var(--ink);
}
.btn:hover::before {
  transform: translateY(0);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost::before {
  background: var(--ink);
}
.btn-ghost:hover {
  color: var(--white);
}
.btn-small {
  padding: 8px 16px;
  font-size: 11px;
  gap: 8px;
}
.btn-danger {
  border-color: var(--danger);
  background: var(--danger);
  color: var(--white);
}
.btn-danger::before {
  background: var(--ink);
}
.btn[disabled],
.btn:disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* 文本链接：下划线生长 */
.link-more {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
}
.link-more::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  height: 1px;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0.32);
  transform-origin: left;
  transition: transform var(--t-mid) ease;
}
.link-more:hover::after {
  transform: scaleX(1);
}
.link-more .arr {
  transition: transform 0.3s ease;
}
.link-more:hover .arr {
  transform: translateX(5px);
}

/* ---------- 通用徽标（后台账号类型 / 权限展示） ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.4;
  border: 1px solid var(--line-gold);
  color: var(--ink);
  background: var(--white);
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--gold-deep);
  transform: rotate(45deg);
}
/* 强调变体：主账号 */
.badge[data-tone="custom"] {
  border-color: var(--gold-deep);
  color: var(--ink);
  background: var(--gold-soft);
}

/* ---------- 导航（shell.js 注入，每页一致） ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.nav-logo img {
  height: 30px;
  width: auto;
}
.nav-links {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 26px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav-links a {
  position: relative;
  padding: 6px 0;
  color: var(--ink-2);
  transition: color 0.25s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-links a:hover,
.nav-links a.is-active {
  color: var(--ink);
}
.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}
.nav-cart {
  position: relative;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  transition: border-color 0.25s, background 0.25s;
}
.nav-cart:hover {
  border-color: var(--gold);
  background: var(--paper);
}
.nav-cart svg {
  width: 19px;
  height: 19px;
  stroke: var(--ink);
}
.cart-badge {
  position: absolute;
  top: -7px;
  right: -7px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--gold);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  transform: scale(0);
  transition: transform 0.3s var(--ease-spring);
}
.cart-badge.show {
  transform: scale(1);
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-burger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}
.nav.open .nav-burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav.open .nav-burger span:nth-child(2) {
  opacity: 0;
}
.nav.open .nav-burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 前台公告栏（settings.announcement_html） */
.announce-bar {
  background: var(--gold);
  color: var(--ink);
  text-align: center;
  padding: 9px 24px;
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(18, 16, 14, 0.22);
}
.announce-bar strong {
  font-weight: 700;
}

/* ---------- 页脚 ---------- */
.footer {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer img {
  height: 26px;
}
.footer-links {
  display: flex;
  gap: 22px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-links a:hover {
  color: var(--ink);
}
.footer-copy {
  width: 100%;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- 购物车抽屉 ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 16, 14, 0.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: var(--z-overlay);
}
.overlay.show {
  opacity: 1;
  pointer-events: auto;
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-drawer);
  width: min(430px, 94vw);
  background: var(--white);
  border-left: 1px solid var(--line);
  box-shadow: -24px 0 60px rgba(18, 16, 14, 0.14);
  transform: translateX(105%);
  transition: transform 0.45s var(--ease);
  display: flex;
  flex-direction: column;
}
.drawer.open {
  transform: translateX(0);
}
.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}
.cart-head h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
}
.cart-close {
  font-size: 22px;
  line-height: 1;
  padding: 4px 8px;
  transition: color 0.25s, transform 0.25s;
}
.cart-close:hover {
  color: var(--gold-deep);
  transform: rotate(90deg);
}
.cart-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px 24px;
}
.cart-empty {
  text-align: center;
  color: var(--muted);
  padding: 60px 0;
  font-size: 14px;
}
.cart-item {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.cart-item img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border: 1px solid var(--line);
  flex: 0 0 auto;
}
.ci-body {
  flex: 1;
  min-width: 0;
}
.ci-name {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  padding-right: 8px;
}
.ci-price {
  font-size: 12px;
  color: var(--muted);
  margin: 2px 0 10px;
}
.stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
}
.stepper button {
  width: 26px;
  height: 26px;
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}
.stepper button:hover {
  background: var(--ink);
  color: var(--gold-soft);
}
.stepper output {
  width: 34px;
  text-align: center;
  font-size: 13px;
}
.ci-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
}
.ci-sub {
  font-family: var(--serif);
  font-size: 15px;
}
.ci-remove {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.25s;
}
.ci-remove:hover {
  color: var(--danger-soft);
}
.cart-foot {
  border-top: 1px solid var(--line);
  padding: 18px 24px 22px;
  background: var(--paper);
}
.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.cart-total .t {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.cart-total .v {
  font-family: var(--serif);
  font-size: 24px;
}
.cart-foot .btn {
  width: 100%;
}
.cart-note {
  margin-top: 10px;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 表单基元 ---------- */
.field {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.field input,
.field select,
.field textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 14px;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--white);
}
.field-hint {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  line-height: 1.5;
}
.form-msg {
  font-size: 13px;
  min-height: 22px;
  margin-bottom: 8px;
  color: var(--muted);
}
.form-msg.ok {
  color: var(--success);
}
.form-msg.err {
  color: var(--danger);
}

/* ---------- 提示条 Toast（统一反馈） ---------- */
.toast-host {
  position: fixed;
  z-index: var(--z-toast);
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  pointer-events: none;
}
.toast {
  min-width: 220px;
  max-width: 90vw;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--white);
  border: 1px solid var(--line-gold);
  font-size: 13px;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 32px rgba(18, 16, 14, 0.3);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s var(--ease);
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.err {
  border-color: var(--danger-soft);
}
.toast.ok {
  border-color: var(--gold);
}

/* ---------- 响应式：导航折叠 ---------- */
@media (max-width: 960px) {
  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 18px 0 22px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t-mid) ease, opacity var(--t-mid) ease;
  }
  .nav-links a {
    padding: 8px 0;
  }
  .nav.open .nav-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-burger {
    display: inline-flex;
  }
}
@media (max-width: 720px) {
  :root {
    --sec: 72px;
    --gutter: 20px;
  }
  .footer-inner,
  .footer-copy {
    justify-content: center;
    text-align: center;
  }
}