/*
 * G2: Hệ thiết kế dùng chung (components.css)
 * Mọi selector bắt đầu bằng .x3- để không làm đổi trang cũ khi nạp vào theme.
 */

/* ==========================================================================
   Khung, Section, Lưới
   ========================================================================== */
.x3-wrap {
  max-width: var(--x3-container);
  margin-inline: auto;
  padding-inline: var(--x3-gutter);
}

.x3-section {
  padding-block: var(--x3-section-y);
  background-color: transparent;
}

.x3-section--kem { background-color: var(--x3-bg-page); }
.x3-section--trang { background-color: var(--x3-bg-card); }
.x3-section--toi {
  background-color: var(--x3-bg-dark);
  color: var(--x3-on-dark);
}

.x3-grid {
  display: grid;
  gap: var(--x3-s-5);
  grid-template-columns: 1fr;
}
.x3-grid--2, .x3-grid--3, .x3-grid--4 {
  display: grid;
  gap: var(--x3-s-5);
  grid-template-columns: 1fr;
}
@media (min-width: 761px) and (max-width: 999px) {
  .x3-grid--2, .x3-grid--3, .x3-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1000px) {
  .x3-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .x3-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .x3-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   Chữ
   ========================================================================== */
.x3-h1, .x3-h3, .x3-lead, .x3-small {
  font-family: var(--x3-font-body);
  color: var(--x3-ink);
}
.x3-section--toi .x3-h1,
.x3-section--toi .x3-h3,
.x3-section--toi .x3-lead,
.x3-section--toi .x3-small {
  color: var(--x3-on-dark);
}

.x3-h1 {
  font-family: var(--x3-font-head);
  font-size: var(--x3-fs-h1);
  font-weight: var(--x3-fw-head);
  line-height: var(--x3-lh-head);
  margin: 0;
}
.x3-h3 {
  font-size: var(--x3-fs-h3);
  font-weight: var(--x3-fw-strong);
  line-height: var(--x3-lh-head);
  margin: 0;
}
.x3-lead {
  font-size: var(--x3-fs-lead);
  line-height: var(--x3-lh-body);
}
.x3-small {
  font-size: var(--x3-fs-small);
  line-height: var(--x3-lh-body);
}

/* ==========================================================================
   Tiêu đề Section (.x3-head)
   ========================================================================== */
.x3-head {
  margin-bottom: var(--x3-s-6);
  display: flex;
  flex-direction: column;
  gap: var(--x3-s-2);
}
.x3-head--giua {
  align-items: center;
  text-align: center;
}

.x3-head__nhan {
  font-family: var(--x3-font-body);
  font-size: var(--x3-fs-label);
  font-weight: var(--x3-fw-label);
  text-transform: uppercase;
  color: var(--x3-red);
  margin: 0;
}
.x3-section--toi .x3-head__nhan {
  color: var(--x3-gold);
}

.x3-head__tieu-de {
  font-family: var(--x3-font-head);
  font-size: var(--x3-fs-h2);
  font-weight: var(--x3-fw-head);
  line-height: var(--x3-lh-head);
  color: var(--x3-ink);
  margin: 0;
}
.x3-section--toi .x3-head__tieu-de {
  color: var(--x3-on-dark);
}

.x3-head__dan {
  font-family: var(--x3-font-body);
  font-size: var(--x3-fs-lead);
  line-height: var(--x3-lh-body);
  color: var(--x3-ink-2);
  max-width: 60ch;
  margin: 0;
}
.x3-section--toi .x3-head__dan {
  color: var(--x3-on-dark-2);
}

/* ==========================================================================
   Nút
   ========================================================================== */
.x3-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--x3-s-2);
  font-family: var(--x3-font-body);
  font-size: var(--x3-fs-body);
  font-weight: var(--x3-fw-strong);
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--x3-r-md);
  padding-inline: var(--x3-s-4);
  min-height: var(--x3-touch);
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.x3-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--x3-gold);
}
.x3-btn[disabled], .x3-btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.x3-btn--chinh {
  background-color: var(--x3-red);
  color: var(--x3-bg-card);
  min-height: var(--x3-touch-cta);
  box-shadow: var(--x3-sh-cta);
}
.x3-btn--chinh:hover {
  background-color: var(--x3-red-hover);
}

.x3-btn--phu {
  background-color: transparent;
  color: var(--x3-ink);
  border-color: var(--x3-border-input);
}
.x3-btn--phu:hover {
  background-color: var(--x3-bg-cream);
  border-color: var(--x3-border);
}

.x3-btn--chu {
  background-color: transparent;
  color: var(--x3-ink);
  padding-inline: 0;
  min-height: auto;
  border-radius: 0;
}
.x3-btn--chu:hover {
  color: var(--x3-red);
}

.x3-btn--zalo {
  background-color: var(--x3-zalo);
  color: var(--x3-bg-card);
}
.x3-btn--zalo:hover {
  background-color: var(--x3-zalo-hover);
}

.x3-btn--nho {
  min-height: 36px;
  padding-inline: var(--x3-s-3);
  font-size: var(--x3-fs-small);
}

.x3-btn--tren-toi {
  background-color: transparent;
  color: var(--x3-on-dark);
  border-color: var(--x3-on-dark-3);
}
.x3-btn--tren-toi:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--x3-on-dark);
}

/* ==========================================================================
   Thẻ
   ========================================================================== */
.x3-card {
  background-color: var(--x3-bg-card);
  border-radius: var(--x3-r-lg);
  box-shadow: var(--x3-sh-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.x3-card__anh {
  width: 100%;
  display: block;
}

.x3-card__than {
  padding: var(--x3-s-4);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: var(--x3-s-2);
}

.x3-card__tieu-de {
  font-family: var(--x3-font-body);
  font-size: var(--x3-fs-body);
  font-weight: var(--x3-fw-strong);
  color: var(--x3-ink);
  margin: 0;
}

.x3-card__mo-ta {
  font-family: var(--x3-font-body);
  font-size: var(--x3-fs-small);
  color: var(--x3-ink-2);
  margin: 0;
}

.x3-card__chan {
  padding: var(--x3-s-4);
  padding-top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Thẻ sản phẩm */
.x3-card--sp {
  position: relative;
  text-align: center;
  border: 1px solid var(--x3-border-row);
  box-shadow: none;
}
.x3-card--sp:hover {
  box-shadow: var(--x3-sh-float);
  border-color: transparent;
}
.x3-card--sp .x3-card__anh {
  aspect-ratio: 1;
  object-fit: contain;
  padding: var(--x3-s-4);
  background-color: transparent;
}
.x3-card--sp .x3-card__than {
  align-items: center;
}
.x3-card--sp .x3-card__chan {
  justify-content: center;
  flex-direction: column;
  gap: var(--x3-s-3);
  padding-bottom: var(--x3-s-4);
}
@media (max-width: 760px) {
  .x3-grid:has(> .x3-card--sp) {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--x3-s-2);
  }
}

/* Thẻ ảnh */
.x3-card--anh {
  position: relative;
}
.x3-card--anh .x3-card__anh {
  aspect-ratio: 4/3;
  object-fit: cover;
}
.x3-card--anh .x3-card__than {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(22, 22, 26, 0.8), transparent);
  color: var(--x3-on-dark);
  padding-top: var(--x3-s-6);
}
.x3-card--anh .x3-card__tieu-de {
  color: var(--x3-on-dark);
}

/* ==========================================================================
   Khác
   ========================================================================== */
.x3-gia {
  font-family: var(--x3-font-body);
  color: var(--x3-red);
  font-weight: var(--x3-fw-head);
  font-size: var(--x3-fs-h3);
  font-variant-numeric: tabular-nums;
}

.x3-ribbon {
  position: absolute;
  top: var(--x3-s-3);
  left: 0;
  background-color: var(--x3-gold);
  color: var(--x3-ink);
  font-family: var(--x3-font-body);
  font-size: var(--x3-fs-label);
  font-weight: var(--x3-fw-label);
  padding: var(--x3-s-1) var(--x3-s-2);
  border-radius: 0 var(--x3-r-sm) var(--x3-r-sm) 0;
  z-index: 2;
}

.x3-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--x3-s-2);
  border-radius: var(--x3-r-pill);
  font-family: var(--x3-font-body);
  font-size: var(--x3-fs-label);
  font-weight: var(--x3-fw-strong);
  background-color: var(--x3-bg-cream);
  color: var(--x3-ink-2);
}
.x3-chip--ok {
  background-color: var(--x3-bg-green-soft);
  color: var(--x3-green);
  border: 1px solid var(--x3-border-green);
}

.x3-hex {
  position: absolute;
  z-index: -1;
  opacity: 0.1;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .x3-btn, .x3-card--sp {
    transition: none;
    animation: none;
  }
}

@media (max-width: 760px) {
  .x3-btn--nho, .x3-btn--chu {
    position: relative;
  }
  .x3-btn--nho::after, .x3-btn--chu::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: var(--x3-touch);
    min-height: var(--x3-touch);
  }
}