/**
 * UX 2026: dark mode, glass, thumb-zone theme toggle, home widgets.
 * Loaded after style.css from functions.php
 */

/* —— Dark palette (OLED-friendly) —— */
html.vnt-theme-dark {
  color-scheme: dark;
  --vntaiwanpay-bg: #0b1018;
  --vntaiwanpay-surface: rgba(18, 26, 38, 0.94);
  --vntaiwanpay-card: rgba(22, 32, 48, 0.88);
  --vntaiwanpay-text: #e8eef7;
  --vntaiwanpay-text-muted: #9aa8bc;
  --vntaiwanpay-border: rgba(255, 255, 255, 0.1);
  --vntaiwanpay-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --vntaiwanpay-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);
  --vntaiwanpay-navy: #0d1522;
  --vntaiwanpay-navy-mid: #121d2e;
  --vntaiwanpay-navy-header-end: #1a2a42;
}

html.vnt-theme-dark body {
  background-image: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(11, 95, 255, 0.12) 0%, transparent 55%);
}

html.vnt-theme-dark a:hover {
  color: var(--vntaiwanpay-cta);
}

html.vnt-theme-dark .vntaiwanpay-header {
  background: linear-gradient(135deg, rgba(10, 16, 26, 0.92) 0%, rgba(18, 28, 44, 0.9) 50%, rgba(22, 40, 68, 0.92) 100%);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

html.vnt-theme-dark .vntaiwanpay-bottom-nav {
  background: rgba(14, 20, 30, 0.86);
  border-top-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.35);
}

html.vnt-theme-dark .vntaiwanpay-nav-item {
  color: #a8b4c8;
}
html.vnt-theme-dark .vntaiwanpay-nav-item:hover {
  color: var(--vntaiwanpay-link);
  background: rgba(255, 255, 255, 0.06);
}

html.vnt-theme-dark .vntaiwanpay-nav-fab {
  border-color: rgba(14, 20, 30, 0.95);
  box-shadow: 0 6px 22px rgba(0, 201, 167, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

html.vnt-theme-dark .vntaiwanpay-card {
  background: var(--vntaiwanpay-card);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 12px 40px rgba(0, 0, 0, 0.35);
}

@media (hover: hover) {
  html.vnt-theme-dark .vntaiwanpay-card:hover {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, 0 16px 48px rgba(0, 0, 0, 0.45);
  }
}

html.vnt-theme-dark .vntaiwanpay-btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--vntaiwanpay-text);
  border-color: rgba(255, 255, 255, 0.12);
}
html.vnt-theme-dark .vntaiwanpay-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

html.vnt-theme-dark .vntaiwanpay-more-sheet {
  background: rgba(18, 26, 38, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

html.vnt-theme-dark .vntaiwanpay-more-sheet-backdrop {
  background: rgba(0, 0, 0, 0.55);
}

html.vnt-theme-dark .vntaiwanpay-chat-panel {
  background: rgba(22, 32, 48, 0.96);
  border-color: rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

html.vnt-theme-dark .vntaiwanpay-phone-modal {
  background: var(--vntaiwanpay-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

html.vnt-theme-dark .vntaiwanpay-phone-modal__title {
  color: var(--vntaiwanpay-text);
}

/* —— Nút chuyển giao diện (trái — tránh đè FAB chat bên phải) —— */
.vntaiwanpay-theme-toggle {
  position: fixed;
  left: max(12px, env(safe-area-inset-left, 0px));
  bottom: calc(var(--vntaiwanpay-bottom-nav-h) + var(--safe-bottom) + 10px);
  z-index: 115;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(7, 26, 46, 0.12);
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.88);
  color: var(--vntaiwanpay-navy);
  box-shadow: 0 4px 18px rgba(7, 26, 46, 0.12), 0 1px 0 rgba(255, 255, 255, 0.7) inset;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease;
  touch-action: manipulation;
}
.vntaiwanpay-theme-toggle:active {
  transform: scale(0.94);
}
html.vnt-theme-dark .vntaiwanpay-theme-toggle {
  background: rgba(30, 40, 56, 0.9);
  color: #f0d78a;
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255, 255, 255, 0.08) inset;
}
body.vntaiwanpay-has-sticky-cta .vntaiwanpay-theme-toggle {
  bottom: calc(var(--vntaiwanpay-bottom-nav-h) + var(--vntaiwanpay-sticky-cta-h) + var(--safe-bottom) + 10px);
}

/* —— Widget trang chủ + ô số dư —— */
.vntaiwanpay-home-widget {
  margin-bottom: 1rem;
}
.vntaiwanpay-home-widget__row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem 0.75rem;
}
.vntaiwanpay-home-widget__hello {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--vntaiwanpay-text);
}
.vntaiwanpay-home-widget__meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--vntaiwanpay-text-muted);
  line-height: 1.45;
}
.vntaiwanpay-home-widget__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* Trang chủ tối giản: một thẻ tỷ giá + liên kết phụ */
.vnt-home-one-card__rate-title {
  margin: 0.65rem 0 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--vntaiwanpay-text);
}
.vnt-home-one-card__links {
  margin: 0.85rem 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--vntaiwanpay-text-muted);
  line-height: 1.5;
}
.vnt-home-one-card__links a {
  font-weight: 600;
  color: var(--vntaiwanpay-link);
}

.vnt-card-kicker {
  margin: -0.2rem 0 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--vntaiwanpay-text-muted);
}
.vnt-home-rate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}
.vnt-home-rate-actions > .vntaiwanpay-btn {
  flex: 1 1 140px;
  margin-top: 0 !important;
}

.vnt-home-quick {
  margin-bottom: 1rem;
  padding: 0.55rem 0.65rem;
}
.vnt-home-quick__inner {
  display: flex;
  gap: 0.45rem;
  align-items: stretch;
}
.vnt-home-quick__btn {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-height: 3.15rem;
  padding: 0.35rem 0.3rem;
  border-radius: 12px;
  border: 1px solid rgba(7, 26, 46, 0.1);
  background: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  color: var(--vntaiwanpay-text);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: background 0.15s ease, transform 0.12s ease;
}
html.vnt-theme-dark .vnt-home-quick__btn {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--vntaiwanpay-text, #e8eef7);
}
.vnt-home-quick__btn:active {
  transform: scale(0.98);
}
.vnt-home-quick__btn--more {
  flex: 0 0 3.25rem;
  max-width: 3.6rem;
  font-weight: 900;
}
.vnt-home-quick__dots {
  font-size: 1.45rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--vntaiwanpay-text-muted);
}

.vntaiwanpay-widget-tiles {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: stretch;
}
.vntaiwanpay-widget-tile {
  flex: 1 1 220px;
  padding: 0.9rem 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(7, 26, 46, 0.08);
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset;
  transition: transform 0.18s ease, box-shadow 0.2s ease;
}
.vntaiwanpay-widget-tile:active {
  transform: scale(0.99);
}
html.vnt-theme-dark .vntaiwanpay-widget-tile {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset;
}
.vntaiwanpay-widget-tile__label {
  font-size: 0.85rem;
  color: var(--vntaiwanpay-text-muted);
}
.vntaiwanpay-widget-tile__value {
  font-size: 1.15rem;
  font-weight: 900;
  margin-top: 0.25rem;
  font-variant-numeric: tabular-nums;
  color: var(--vntaiwanpay-text);
}

/* Cửa hàng: carousel thẻ đã nhận */
.vnt-store-inventory {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  margin: 0 -0.15rem;
  padding-bottom: 0.35rem;
}
.vnt-store-inventory__track {
  display: flex;
  gap: 0.75rem;
  padding: 0.15rem 0.15rem 0.25rem;
  width: max-content;
  max-width: 100%;
}
.vnt-store-inventory__cell {
  flex: 0 0 min(100vw - 3rem, 320px);
  scroll-snap-align: start;
}
.vnt-store-inventory__cell .vntaiwanpay-phone-card {
  max-width: none;
  margin: 0;
}

.vntaiwanpay-shop-item[data-product-select]:not(.is-disabled) {
  cursor: pointer;
}
.vntaiwanpay-shop-item[data-product-select].is-disabled {
  cursor: not-allowed;
}

/* —— Edge-to-edge: khối tràn ngang trên mobile —— */
@media (max-width: 767px) {
  .vnt-bleed {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    max-width: none;
    border-radius: 0;
    padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
    padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
  }
}

/* —— Quy tắc phần thưởng (khách nhìn thấy ngay trên trang) —— */
.vntaiwanpay-reward-rules {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--vntaiwanpay-radius-sm, 10px);
  border: 1px solid rgba(11, 95, 255, 0.22);
  background: rgba(11, 95, 255, 0.07);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--vntaiwanpay-text, #071a2e);
}
html.vnt-theme-dark .vntaiwanpay-reward-rules {
  border-color: rgba(11, 95, 255, 0.35);
  background: rgba(11, 95, 255, 0.12);
  color: var(--vntaiwanpay-text, #e8eef7);
}
.vntaiwanpay-reward-rules__title {
  font-weight: 800;
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
}
.vntaiwanpay-reward-rules ul {
  margin: 0;
  padding-left: 1.2rem;
}
.vntaiwanpay-reward-rules li {
  margin-bottom: 0.4rem;
}
.vntaiwanpay-reward-rules li:last-child {
  margin-bottom: 0;
}

/* —— Skeleton: dùng chung `.vntaiwanpay-skeleton*` (style.css); dark tinh chỉnh —— */
html.vnt-theme-dark .vntaiwanpay-skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 25%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 75%
  );
  background-size: 200% 100%;
}

/* —— OAuth hàng nút —— */
.vntaiwanpay-oauth-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}
.vntaiwanpay-oauth-btn {
  font-weight: 700;
}

/* —— Thu gọn field tùy chọn —— */
.vntaiwanpay-form-details {
  margin: 0 0 1rem;
  border: 1px solid rgba(7, 26, 46, 0.08);
  border-radius: var(--vntaiwanpay-radius-sm, 10px);
  padding: 0.35rem 0.65rem;
  background: rgba(7, 26, 46, 0.02);
}
html.vnt-theme-dark .vntaiwanpay-form-details {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}
.vntaiwanpay-form-details__summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--vntaiwanpay-link);
  list-style: none;
}
.vntaiwanpay-form-details__summary::-webkit-details-marker {
  display: none;
}

/* —— Nút gửi / chính: sticky vùng ngón cái (mobile) —— */
@media (max-width: 767px) {
  .vntaiwanpay-btn-thumb-sticky {
    position: sticky;
    bottom: calc(var(--vntaiwanpay-bottom-nav-h) + var(--safe-bottom) + 4px);
    z-index: 55;
    margin-top: 0.5rem;
    box-shadow: 0 -6px 24px rgba(7, 26, 46, 0.12), 0 8px 24px rgba(0, 201, 167, 0.22);
  }
  body.vntaiwanpay-has-sticky-cta .vntaiwanpay-btn-thumb-sticky {
    bottom: calc(var(--vntaiwanpay-bottom-nav-h) + var(--vntaiwanpay-sticky-cta-h) + var(--safe-bottom) + 4px);
  }
}

/* —— Phản hồi chạm nút (bổ sung filter; transform vẫn từ style.css) —— */
.vntaiwanpay-btn:active {
  filter: brightness(0.94);
}
.vntaiwanpay-nav-item:active {
  filter: brightness(0.96);
}

/* —— Gợi ý cài PWA (ẩn khi đã standalone hoặc đã đóng) —— */
.vntaiwanpay-pwa-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--vntaiwanpay-bottom-nav-h) + var(--safe-bottom));
  z-index: 114;
  padding: 0.5rem max(0.75rem, env(safe-area-inset-right)) 0.65rem max(0.75rem, env(safe-area-inset-left));
  background: linear-gradient(to top, rgba(238, 242, 247, 0.97), rgba(238, 242, 247, 0.88));
  border-top: 1px solid rgba(7, 26, 46, 0.08);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  font-size: 0.8rem;
  color: var(--vntaiwanpay-text, #071a2e);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  transform: translateY(100%);
  transition: transform 0.28s ease;
}
.vntaiwanpay-pwa-bar.is-visible {
  transform: translateY(0);
}
html.vnt-theme-dark .vntaiwanpay-pwa-bar {
  background: linear-gradient(to top, rgba(14, 20, 30, 0.96), rgba(14, 20, 30, 0.88));
  border-top-color: rgba(255, 255, 255, 0.1);
  color: var(--vntaiwanpay-text, #e8eef7);
}
.vntaiwanpay-pwa-bar__text {
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}
.vntaiwanpay-pwa-bar__btn {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--vntaiwanpay-link, #0b5fff);
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  padding: 0.25rem 0.35rem;
  touch-action: manipulation;
}
body.vntaiwanpay-has-sticky-cta .vntaiwanpay-pwa-bar {
  bottom: calc(var(--vntaiwanpay-bottom-nav-h) + var(--vntaiwanpay-sticky-cta-h) + var(--safe-bottom));
}

@media (prefers-reduced-motion: reduce) {
  .vntaiwanpay-skeleton {
    animation: none !important;
  }
  .vntaiwanpay-pwa-bar {
    transition: none !important;
  }
  .vntaiwanpay-card,
  .vntaiwanpay-theme-toggle,
  .vntaiwanpay-widget-tile,
  .vntaiwanpay-btn {
    transition: none !important;
  }
}

/* —— Auth (đăng ký / đăng nhập / OTP): cấu trúc, hiển thị, phản hồi, nhất quán —— */
.vnt-auth {
  --vnt-auth-gap: 1rem;
}
.vnt-auth__title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--vntaiwanpay-text, #071a2e);
}
.vnt-auth__intro {
  margin: 0 0 var(--vnt-auth-gap);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--vntaiwanpay-text-muted, #64748b);
}
.vnt-auth__alert:empty {
  display: none;
}
.vnt-auth__alert:not(:empty) {
  display: block;
  margin-bottom: var(--vnt-auth-gap);
}
.vnt-auth__section-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--vntaiwanpay-text-muted, #64748b);
}
.vnt-auth__footer {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(7, 26, 46, 0.08);
  text-align: center;
  font-size: 0.875rem;
  color: var(--vntaiwanpay-text-muted, #64748b);
}
html.vnt-theme-dark .vnt-auth__footer {
  border-top-color: rgba(255, 255, 255, 0.1);
}
.vnt-auth__help-body {
  margin: 0.5rem 0 0;
  padding: 0 0 0 1rem;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--vntaiwanpay-text-muted, #64748b);
}
.vnt-auth__help-body li + li {
  margin-top: 0.35rem;
}
.vnt-auth .vntaiwanpay-alert .vnt-auth__tip {
  display: block;
  margin: 0.65rem 0 0;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--vntaiwanpay-text-muted, #475569);
}
html.vnt-theme-dark .vnt-auth .vntaiwanpay-alert .vnt-auth__tip {
  border-top-color: rgba(255, 255, 255, 0.12);
  color: #b8c4d6;
}
html.vnt-theme-dark .vnt-auth .vntaiwanpay-alert-error {
  background: rgba(127, 29, 29, 0.35);
  color: #fecaca;
}
html.vnt-theme-dark .vnt-auth .vntaiwanpay-alert-success {
  background: rgba(6, 78, 59, 0.35);
  color: #a7f3d0;
}
html.vnt-theme-dark .vnt-auth .vntaiwanpay-alert-warning {
  background: rgba(120, 53, 15, 0.35);
  color: #fde68a;
}
html.vnt-theme-dark .vnt-auth .vntaiwanpay-alert-info {
  background: rgba(30, 58, 138, 0.35);
  color: #bfdbfe;
}
.vnt-auth .vntaiwanpay-btn[aria-busy='true'] {
  cursor: wait;
}