/* MuskIS Contact — dock liên hệ & thanh "island" cho mobile */

@property --mk-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.mk-dock,
.mk-bar {
  --mk-primary: #c2d9ff;
  --mk-alpha: 0%;
  --mk-accent: #f57c00;
  --mk-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mk-sheen: linear-gradient(165deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.04));
  /* Chữ trên nền tối (mặc định); JS thêm .mk-on-light khi nền phía sau sáng */
  --mk-text: #fff;
  --mk-text-2: rgba(255, 255, 255, 0.7);
  --mk-hover: rgba(255, 255, 255, 0.12);
  --mk-line: rgba(255, 255, 255, 0.18);
  --mk-glow: 0 1px 2px rgba(0, 0, 0, 0.35);
  position: fixed;
  box-sizing: border-box;
  font-family: inherit;
  line-height: 1.3;
  color: var(--mk-text);
  text-shadow: var(--mk-glow);
  background: var(--mk-sheen), var(--mk-primary);
  background: var(--mk-sheen), color-mix(in srgb, var(--mk-primary) var(--mk-alpha), transparent);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid var(--mk-line);
  box-shadow: 0 20px 40px -18px rgba(2, 6, 23, 0.45), 0 2px 6px rgba(2, 6, 23, 0.12);
  transition: color 0.3s;
}

/* Mỗi dòng / nút có màu riêng, không kế thừa từ khung */
.mk-dock__item,
.mk-bar__item {
  --mk-text: #fff;
  --mk-text-2: rgba(255, 255, 255, 0.7);
  --mk-hover: rgba(255, 255, 255, 0.12);
  --mk-glow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

/* Áp dụng cho cả khung lẫn từng dòng / nút (JS dò riêng từng phần) */
.mk-dock .mk-on-light,
.mk-bar .mk-on-light,
.mk-dock.mk-on-light,
.mk-bar.mk-on-light {
  --mk-text: #0f172a;
  --mk-text-2: rgba(15, 23, 42, 0.62);
  --mk-hover: rgba(15, 23, 42, 0.07);
  --mk-line: rgba(15, 23, 42, 0.1);
  --mk-glow: none;
}

.mk-dock *,
.mk-bar * {
  box-sizing: border-box;
}

.mk-dock a,
.mk-bar a {
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

/* Màu chữ theo từng dòng; chặn a:hover / a:focus của theme ghi đè */
.mk-dock .mk-dock__item,
.mk-dock .mk-dock__item:hover,
.mk-dock .mk-dock__item:focus,
.mk-bar .mk-bar__item,
.mk-bar .mk-bar__item:hover,
.mk-bar .mk-bar__item:focus {
  color: var(--mk-text);
  text-shadow: var(--mk-glow);
}

/* ---------- Icon tròn ---------- */

.mk-ico {
  position: relative;
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: var(--mk-size, 46px);
  height: var(--mk-size, 46px);
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.mk-ico img {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  border-radius: 50%;
}

/* Logo không nền (Messenger, Zalo) đặt trên nền tròn trắng */
.mk-ch-messenger .mk-ico,
.mk-ch-zalo .mk-ico {
  background: #fff;
}
.mk-ch-messenger .mk-ico img,
.mk-ch-zalo .mk-ico img {
  width: 76%;
  height: 76%;
  border-radius: 0;
}
.mk-ch-messenger .mk-ico img {
  width: 68%;
  height: 68%;
}

.mk-ch-hotline .mk-ico,
.mk-ch-hotline2 .mk-ico {
  --mk-ring: rgba(244, 67, 54, 0.55);
  background: none;
}
.mk-ch-hotline2 .mk-ico {
  --mk-ring: rgba(76, 175, 80, 0.55);
}

.mk-dock .mk-ico {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
}

/* Hotline: vòng sóng + rung nhẹ, hai số lệch nhịp nhau */
.mk-ch-hotline .mk-ico::before,
.mk-ch-hotline2 .mk-ico::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--mk-ring);
  animation: mk-pulse 2s ease-out infinite;
}

.mk-ch-hotline .mk-ico img,
.mk-ch-hotline2 .mk-ico img {
  animation: mk-ring 3s ease-in-out infinite;
}

.mk-ch-hotline2 .mk-ico::before,
.mk-ch-hotline2 .mk-ico img {
  animation-delay: 1s;
}

/* Nhãn quốc gia VN / TW */
.mk-badge {
  position: absolute;
  right: -4px;
  bottom: -3px;
  padding: 1px 4px;
  border-radius: 6px;
  color: #0f172a;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  text-shadow: none;
  font: 800 9px/1.25 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: 0.04em;
}

@keyframes mk-pulse {
  70%  { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

@keyframes mk-ring {
  0%, 30%, 100% { transform: rotate(0); }
  4%, 12%, 20%  { transform: rotate(-12deg); }
  8%, 16%, 24%  { transform: rotate(12deg); }
}

@keyframes mk-spin {
  to { --mk-angle: 360deg; }
}

@keyframes mk-in {
  from { opacity: 0; transform: translateX(var(--mk-from)); }
}

/* ---------- Dock (tự co theo icon, bung ra khi rê chuột) ---------- */

.mk-dock {
  --mk-from: 24px;
  bottom: 28px;
  z-index: 9990;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 9px;
  border-radius: 999px;
  animation: mk-in 0.6s var(--mk-ease) backwards;
  transition: border-radius 0.3s, color 0.3s;
}

.mk-dock--right { right: 24px; }
.mk-dock--left  { left: 24px; --mk-from: -24px; }

/* Viền sáng chạy quanh dock */
.mk-dock::before {
  content: "";
  position: absolute;
  inset: -1px;
  padding: 1px;
  border-radius: inherit;
  background: conic-gradient(from var(--mk-angle), transparent 0 70%, var(--mk-accent) 85%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  animation: mk-spin 4s linear infinite;
}

.mk-dock__item {
  display: flex;
  align-items: center;
  gap: 0;
  border-radius: 999px;
  transition: gap 0.45s var(--mk-ease), background-color 0.25s, color 0.3s;
}

.mk-dock--right .mk-dock__item {
  flex-direction: row-reverse;
  text-align: right;
}

.mk-dock__item:focus-visible {
  outline: 2px solid var(--mk-accent);
  outline-offset: 2px;
}

.mk-dock__text {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 1px;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  white-space: nowrap;
  transition: max-width 0.45s var(--mk-ease), opacity 0.2s, padding 0.45s var(--mk-ease);
}

.mk-dock__text strong,
.mk-dock__text small {
  overflow: hidden;
  text-overflow: ellipsis;
}

.mk-dock__text strong {
  font-size: 14px;
  font-weight: 600;
}

.mk-dock__text small {
  color: var(--mk-text-2);
  font-size: 12px;
}

@media (hover: hover) and (min-width: 850px) {
  .mk-dock:hover,
  .mk-dock:has(:focus-visible) {
    border-radius: 26px;
  }

  .mk-dock:hover .mk-dock__item,
  .mk-dock:has(:focus-visible) .mk-dock__item {
    gap: 12px;
  }

  .mk-dock:hover .mk-dock__text,
  .mk-dock:has(:focus-visible) .mk-dock__text {
    max-width: 200px;
    padding: 0 6px;
    opacity: 1;
    transition-delay: 0s, 0.1s, 0s;
  }

  /* Hover: nền màu nhấn, chữ trắng — dễ đọc trên mọi nền */
  .mk-dock .mk-dock__item:hover,
  .mk-dock .mk-dock__item:focus-visible {
    background-color: var(--mk-accent);
    color: #fff;
    text-shadow: none;
  }

  .mk-dock .mk-dock__item:hover small,
  .mk-dock .mk-dock__item:focus-visible small {
    color: rgba(255, 255, 255, 0.85);
  }
}

/* ---------- Thanh "island" mobile ---------- */

.mk-bar {
  left: 12px;
  right: 12px;
  bottom: calc(10px + env(safe-area-inset-bottom));
  z-index: 9989;
  display: flex;
  align-items: flex-end;
  padding: 8px 6px 7px;
  border-radius: 24px;
}

.mk-bar__item {
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 0;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color 0.3s, background-color 0.2s;
}

.mk-bar__item:active,
.mk-bar__item:focus-visible {
  background-color: var(--mk-hover);
  border-radius: 14px;
}

.mk-bar .mk-bar__item .mk-ico {
  --mk-size: 30px;
  background: #fff;
  box-shadow: 0 0 0 2px #fff;
}

.mk-bar .mk-badge {
  display: none;
}

.mk-bar__label {
  max-width: 100%;
  padding: 0 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hotline Việt Nam nổi lên giữa island */
.mk-bar .mk-ch-hotline .mk-ico {
  --mk-size: 54px;
  margin-top: -28px;
  border: 3px solid #fff;
  box-shadow: 0 10px 22px -6px rgba(244, 67, 54, 0.75);
}

/* ---------- Responsive ---------- */

@media (min-width: 850px) {
  .mk-dock--no-desktop,
  .mk-bar {
    display: none;
  }
}

@media (max-width: 849px) {
  .mk-dock {
    bottom: calc(20px + env(safe-area-inset-bottom));
    gap: 8px;
    padding: 7px;
  }

  .mk-dock--right { right: 14px; }
  .mk-dock--left  { left: 14px; }

  .mk-dock .mk-ico {
    --mk-size: 42px;
  }

  .mk-dock__text,
  .mk-dock--no-mobile {
    display: none;
  }

  body.mk-has-bar {
    padding-bottom: calc(84px + env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .mk-dock,
  .mk-dock::before,
  .mk-dock *,
  .mk-bar * {
    animation: none !important;
    transition: none !important;
  }
}

@media print {
  .mk-dock,
  .mk-bar {
    display: none;
  }
}