/* Ảnh Cưới — THIỆP MỜI RIÊNG toàn màn hình: KHUNG CHUNG cho cả 10 mẫu (views/public/_invite_card.php + assets/js/invite-card.js).
   Hình dáng bìa + bố cục riêng của từng mẫu nằm ở assets/css/cards/<mẫu>.css (chỉ nạp mẫu đang dùng; .ic có class ic--<mẫu>).
   Chỉ dùng biến của giao diện (--accent, --accent-2, --ink, --muted, --page, --paper, --f-*) nên tự hợp với cả 10 giao diện;
   bảng màu giấy/phong bì/sáp riêng từng giao diện ở mục "Bảng màu theo giao diện" bên dưới (mọi mẫu dùng chung).
   Trạng thái (class trên .ic): mặc định = bìa đóng · is-opening = đang mở · is-open = thiệp · is-instant = không hiệu ứng
   · is-leaving = đang đóng · is-closed = ẩn. Nghiêng 3D: JS đặt --tx/--ty (-1…1) trên .ic theo chuột/cảm biến nghiêng.
   Chỉ animate transform/opacity; tôn trọng prefers-reduced-motion. */
.ic {
  --ic-paper: var(--paper, #fff);
  --ic-on-accent: #fff;
  --ic-line: color-mix(in srgb, var(--accent) 32%, transparent);
  --ic-env-in: color-mix(in srgb, var(--accent-2, var(--accent)) 46%, var(--ic-paper));
  --ic-env-front: color-mix(in srgb, var(--accent-2, var(--accent)) 24%, var(--ic-paper));
  --ic-env-flap: color-mix(in srgb, var(--accent-2, var(--accent)) 16%, var(--ic-paper));
  --ic-grain: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  --ic-liner: linear-gradient(transparent, transparent);
  --ic-wax: var(--accent);
  --ic-wax-ink: rgba(255, 255, 255, .92);
  --ic-card-bg: color-mix(in srgb, var(--ic-paper) 95%, var(--accent-2, var(--accent)));
  --ic-card-deco: linear-gradient(transparent, transparent);
  --ic-to-small: var(--muted); --ic-to-name: var(--ink);
  /* Kim loại ép nhũ (cố định, đẹp trên mọi nền) + một ngôn ngữ chuyển động cho mọi mẫu */
  --ic-gold-1: #8a6a2c; --ic-gold-2: #d9b866; --ic-gold-3: #fbefc4;
  --ic-foil: linear-gradient(105deg, var(--ic-gold-1) 0%, var(--ic-gold-2) 28%, var(--ic-gold-3) 46%, var(--ic-gold-2) 58%, #a8853d 78%, var(--ic-gold-1) 100%);
  --ic-ease: cubic-bezier(.22, .61, .36, 1);
  --ic-fold: cubic-bezier(.55, .05, .3, 1);
  --tx: 0; --ty: 0;
  position: fixed; inset: 0; z-index: 75; color: var(--ink); font-family: var(--f-body, Georgia, serif);
  transition: opacity .35s ease;
}
.ic.is-closed { display: none; }
.ic.is-leaving { opacity: 0; }
html.ic-lock, html.ic-lock body { overflow: hidden; }

.ic-backdrop {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 45% at 50% 38%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    color-mix(in srgb, var(--page, #fff) 80%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(1.1); backdrop-filter: blur(14px) saturate(1.1);
}
.ic-scroll {
  position: absolute; inset: 0; overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
  display: flex; flex-direction: column; align-items: center; padding: max(24px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
  perspective: 1600px; perspective-origin: 50% 30%;
}
.ic-preview {
  position: relative; z-index: 3; margin: 0 0 14px; padding: 7px 14px; border-radius: 999px; background: #fff1d6; color: #7a4f00;
  font: 600 .875rem/1.3 var(--f-ui, system-ui, sans-serif); text-align: center; box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
}

/* ── Bìa (trạng thái đóng): sân khấu 3D nghiêng theo chuột/cảm biến ── */
.ic-env { margin: auto 0; display: grid; justify-items: center; gap: 24px; }
.ic.is-open .ic-env { display: none; }
.ic-stage {
  transform: perspective(1300px) rotateX(calc(var(--ty) * -7deg)) rotateY(calc(var(--tx) * 9deg));
  transform-style: preserve-3d; will-change: transform;
}
.ic-env-btn {
  position: relative; display: block; padding: 0; border: 0; background: none; color: var(--ink); font: inherit; cursor: pointer;
  transform-style: preserve-3d; -webkit-tap-highlight-color: transparent;
}
/* R5-02: lớp trang trí 3D trong bìa không nhận chạm (click luôn về nút bìa; phần còn lại JS bắt ở .ic). */
.ic-env-btn * { pointer-events: none; }
.ic-env-btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 6px; }
.ic-env-to { position: absolute; display: grid; gap: 2px; line-height: 1.2; transition: opacity .2s; }
.ic-env-to small { font: 600 .875rem/1 var(--f-ui, system-ui, sans-serif); letter-spacing: .16em; text-transform: uppercase; color: var(--ic-to-small); }
.ic-env-to b {
  font: var(--name-style, normal) 400 clamp(1.25rem, 5.4vw, 1.6rem)/1.2 var(--f-name, Georgia, serif); color: var(--ic-to-name);
  overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-clamp: 2; text-wrap: balance;
}
.ic.is-opening .ic-env-to, .ic.is-opening .ic-env-hint { opacity: 0; }
/* Bìa rời sân khấu cuối hiệu ứng mở (mỗi mẫu đặt thời điểm bằng --ic-out-delay). */
.ic.is-opening .ic-env { animation: ic-env-out .32s ease-in var(--ic-out-delay, .5s) both; }
/* Dòng "Chạm để mở thiệp": nền đặc (giấy + chữ mực, tương phản ≥ 4,5:1 ở 10 giao diện), nhịp bằng cỡ chữ (R3-22). */
.ic-env-hint {
  margin: 0; min-height: 44px; display: flex; align-items: center; cursor: pointer;
  font: 600 .9375rem/1 var(--f-ui, system-ui, sans-serif); letter-spacing: .01em; text-transform: none;
}
.ic .ic-env-hint {
  background: var(--ic-paper); color: var(--ink); border-radius: 999px; padding: 0 20px;
  box-shadow: 0 0 0 1px var(--ic-line), 0 8px 18px -10px rgba(0, 0, 0, .35);
  animation: ic-hint-pulse 2.4s ease-in-out infinite;
}
.ic:not(.is-open) .ic-backdrop {
  background:
    radial-gradient(60% 45% at 50% 38%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    color-mix(in srgb, var(--page, #fff) 93%, transparent);
}

/* ── Thiệp (trạng thái mở) ── */
.ic-card {
  display: none; position: relative; width: min(470px, 100%); margin: auto 0; padding: 54px 38px 34px; border-radius: 4px;
  background: var(--ic-grain), var(--ic-card-bg); text-align: center;
  box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .5), 0 10px 24px -14px rgba(0, 0, 0, .2);
}
.ic.is-open .ic-card { display: block; animation: ic-card-in .8s var(--ic-ease) both; }
.ic.is-instant .ic-card, .ic.is-instant .ic-card * { animation: none !important; }
.ic-card > * { position: relative; z-index: 1; }
.ic-card p { margin: 0; }
.ic-deco { position: absolute !important; inset: 0; z-index: 0 !important; pointer-events: none; }

.ic-mono {
  width: 76px; height: 76px; margin: 0 auto 16px; border-radius: 50%; border: 1px solid var(--ic-line);
  display: flex; align-items: center; justify-content: center; gap: 2px; color: var(--accent);
  font: var(--name-style, normal) 400 1.55rem/1 var(--f-name, Georgia, serif);
  box-shadow: inset 0 0 0 4px var(--ic-paper), inset 0 0 0 5px color-mix(in srgb, var(--accent) 16%, transparent);
}
.ic-mono i { font-style: normal; font-size: .6em; color: var(--muted); }
.ic-greet { font: 600 .875rem/1.4 var(--f-ui, system-ui, sans-serif); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.ic-card .ic-name {
  margin: 10px 0 14px; font: var(--name-style, normal) 400 clamp(2.3rem, 9vw, 3.3rem)/1.15 var(--f-name, Georgia, serif);
  color: var(--accent); overflow-wrap: anywhere; outline: 0; text-wrap: balance;
}
.ic-text { font-size: 1.03rem; line-height: 1.65; font-style: italic; color: color-mix(in srgb, var(--ink) 88%, transparent); max-width: 34ch; margin: 0 auto !important; text-wrap: pretty; }
.ic-rule { display: flex; align-items: center; gap: 12px; margin: 22px auto 18px; width: min(220px, 70%); color: var(--accent); font-size: .8rem; }
.ic-rule::before, .ic-rule::after { content: ""; flex: 1; border-top: 1px solid var(--ic-line); }
.ic-label { font: 600 .875rem/1.4 var(--f-ui, system-ui, sans-serif); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.ic-couple {
  margin: 6px 0 4px !important; display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: 0 10px;
  font: var(--name-style, normal) 400 clamp(1.7rem, 6.6vw, 2.2rem)/1.2 var(--f-name, Georgia, serif); color: var(--ink);
}
.ic-couple i { font-style: normal; font-size: .7em; color: var(--accent); }

.ic-date { margin: 18px 0 4px; }
/* Giờ / địa điểm / nhãn số người viết thường, không giãn chữ (R2-24: người lớn tuổi đọc chữ IN HOA giãn cách rất khó). */
.ic-wd { font: 600 1rem/1.4 var(--f-ui, system-ui, sans-serif); letter-spacing: .01em; color: var(--accent); }
.ic-dmy { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 6px 0 !important; font: 500 2.2rem/1 var(--f-head, Georgia, serif); color: var(--ink); }
.ic-dmy i { width: 1px; height: 1.4rem; background: var(--ic-line); }
.ic-lunar { font-size: .9375rem; font-style: italic; color: var(--muted); }

.ic-place { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--ic-line); display: grid; gap: 3px; }
.ic-place-title { font: 600 1rem/1.4 var(--f-ui, system-ui, sans-serif); letter-spacing: .01em; color: var(--accent); }
.ic-place-name { font: 500 1.2rem/1.3 var(--f-head, Georgia, serif); color: var(--ink); }
.ic-place-addr { font-size: .9375rem; color: var(--muted); }

.ic-link {
  justify-self: center; background: none; border: 0; cursor: pointer; color: var(--accent);
  font: 600 .9375rem/1.4 var(--f-ui, system-ui, sans-serif); letter-spacing: .06em; text-decoration: underline; text-underline-offset: 3px;
  min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 8px;
}

/* ── Trả lời trên thiệp ── */
.ic-rsvp { margin-top: 22px; padding-top: 20px; border-top: 1px dashed var(--ic-line); }
.ic-q { font-size: 1.1rem; margin-bottom: 14px !important; text-wrap: balance; }
.ic-choices, .ic-form-actions { display: grid; gap: 10px; }
.ic-choices { grid-template-columns: 1fr 1fr; }
.ic-btn {
  min-height: 48px; padding: 0 16px; border-radius: 999px; cursor: pointer; border: 1px solid var(--accent);
  font: 600 1rem/1.2 var(--f-ui, system-ui, sans-serif); letter-spacing: .03em; transition: background .2s, color .2s, transform .15s;
}
.ic-btn:active { transform: scale(.98); }
.ic-btn:disabled { opacity: .55; cursor: not-allowed; }
.ic-btn-yes { background: var(--accent); color: var(--ic-on-accent); }
.ic-btn-yes:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 86%, #000); }
.ic-btn-no { background: transparent; color: var(--ink); border-color: color-mix(in srgb, var(--ink) 30%, transparent); }
.ic-btn-no:hover:not(:disabled) { border-color: var(--ink); }
.ic-btn:focus-visible, .ic-enter:focus-visible, .ic-link:focus-visible, .ic-stepper button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px;
}
.ic-note { margin-top: 10px !important; font-size: .875rem; color: var(--muted); }

.ic-form { display: grid; gap: 14px; text-align: left; }
.ic-form[hidden], .ic-ask[hidden], .ic-done[hidden], [data-ic-yes-only][hidden] { display: none; }
.ic-form-title { text-align: center; font-size: 1.05rem; }
.ic-form-title:focus { outline: 0; }
.ic-count { display: grid; justify-items: center; gap: 8px; }
.ic-count-label { font: 600 .9375rem/1.3 var(--f-ui, system-ui, sans-serif); letter-spacing: .01em; color: var(--muted); }
.ic-count-hint { font-size: .875rem; color: var(--muted); }
.ic-count-hint.is-warn { color: #b3261e; font-weight: 700; animation: ic-shake .4s ease; }
.ic-stepper { display: grid; grid-template-columns: 46px 70px 46px; align-items: center; gap: 6px; }
.ic-stepper button {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--ic-line); background: transparent; color: var(--ink);
  font-size: 1.3rem; line-height: 1; cursor: pointer;
}
.ic-stepper input {
  margin: 0; height: 46px; padding: 0; text-align: center; font: 500 1.4rem/1 var(--f-head, Georgia, serif);
  background: transparent; color: var(--ink); border: 1px solid var(--ic-line); -moz-appearance: textfield; appearance: textfield;
}
.ic-stepper input::-webkit-inner-spin-button, .ic-stepper input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.ic-msg { display: grid; gap: 6px; font: 500 .9375rem/1.4 var(--f-ui, system-ui, sans-serif); color: var(--muted); }
.ic-msg small { font-weight: 400; }
.ic-msg .ic-note { margin-top: 0 !important; line-height: 1.4; text-align: left; }
.ic-msg textarea { margin: 0; background: color-mix(in srgb, var(--ic-paper) 96%, var(--ink)); color: var(--ink); border: 1px solid var(--ic-line); font: 1rem/1.5 var(--f-body, Georgia, serif); }
.ic-err { color: #b3261e; font-size: .9375rem; font-weight: 600; text-align: center; }
.ic-done { display: grid; gap: 4px; justify-items: center; }
.ic-done-title { font: var(--name-style, normal) 400 1.7rem/1.2 var(--f-name, Georgia, serif); color: var(--accent); }
.ic-done-sub { color: var(--muted); font-size: .95rem; }
.ic-done.ic-pop { animation: ic-rise .5s var(--ic-ease) both; }

.ic-enter {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; min-height: 44px; padding: 0 22px; border-radius: 999px;
  background: transparent; border: 1px solid var(--ic-line); color: var(--ink); cursor: pointer;
  font: 600 .9375rem/1 var(--f-ui, system-ui, sans-serif); letter-spacing: .1em; text-transform: uppercase; transition: border-color .2s, gap .2s;
}
.ic-enter:hover { border-color: var(--accent); gap: 12px; }

/* Nút nhỏ mở lại thiệp sau khi đã vào trang cưới (nút nhạc ở góc phải). */
.ic-reopen {
  position: fixed; left: 16px; bottom: 16px; z-index: 45; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 14px;
  border-radius: 999px; border: 1px solid var(--ic-line, var(--accent)); background: var(--paper, #fff); color: var(--accent); cursor: pointer;
  font: 600 .9375rem/1 var(--f-ui, system-ui, sans-serif); box-shadow: 0 6px 18px rgba(0, 0, 0, .14);
}
.ic-reopen[hidden] { display: none; }
body.is-draft .ic-reopen { bottom: 164px; }

/* Ánh nhũ lướt theo độ nghiêng: phần tử có class ic-sheen nhận một lớp sáng chạy chéo (chỉ đổi background-position). */
.ic-sheen { position: relative; }
.ic-sheen::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; mix-blend-mode: soft-light;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .75) 46%, rgba(255, 255, 255, .15) 54%, transparent 66%) no-repeat;
  background-size: 260% 100%; background-position: calc(50% + var(--tx) * 45%) 0;
}
/* Chữ nhũ vàng: gradient kim loại cắt theo chữ, ánh chạy theo độ nghiêng. */
.ic-foil-text {
  background: var(--ic-foil); background-size: 240% 100%; background-position: calc(50% + var(--tx) * 40%) 0;
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

@keyframes ic-rise { from { opacity: 0; transform: translateY(26px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes ic-card-in { from { opacity: 0; transform: translateY(60px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes ic-env-out { to { opacity: 0; transform: translateY(40px) scale(.95); } }
@keyframes ic-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes ic-hint-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.045); } }
@keyframes ic-shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
@keyframes ic-fade-in { from { opacity: 0; } to { opacity: 1; } }

@media (max-width: 420px) {
  .ic-card { padding: 48px 24px 28px; }
  .ic-dmy { font-size: 1.9rem; gap: 10px; }
  .ic-choices { grid-template-columns: 1fr; }
}
@media (max-width: 340px) { .ic-card { padding: 40px 16px 24px; } }
@media (prefers-reduced-motion: reduce) {
  .ic, .ic *, .ic *::before, .ic *::after { animation: none !important; transition: none !important; }
  .ic-stage { transform: none; }
}

/* ══════════ Bảng màu theo giao diện (mọi mẫu dùng chung) ══════════
   --ic-env-front/flap/in: giấy bìa/phong bì · --ic-liner: họa tiết giấy lót · --ic-wax/--ic-wax-ink: con dấu sáp
   · --ic-card-bg: nền thiệp · --ic-line: đường kẻ. Hình dáng riêng của giao diện cho mẫu cổ điển: cards/classic.css. */
[data-theme="serenity"] .ic { --ic-env-front: #e2f0e9; --ic-env-flap: #d5eadf; --ic-env-in: #bcdccd; --ic-wax: #5f9e85;
  --ic-liner: repeating-linear-gradient(45deg, rgba(255, 255, 255, .45) 0 2px, transparent 2px 12px); }
[data-theme="lavender"] .ic { --ic-env-front: #efe7f3; --ic-env-flap: #e6dcee; --ic-env-in: #d3c2e1; --ic-wax: #9b5c8a;
  --ic-liner: radial-gradient(circle, rgba(255, 255, 255, .6) 0 2px, transparent 2.5px) 0 0 / 14px 14px; }
[data-theme="summer"] .ic { --ic-env-front: #fff0d6; --ic-env-flap: #ffe6c0; --ic-env-in: #f4b98b; --ic-wax: #d4604a;
  --ic-liner: repeating-linear-gradient(90deg, rgba(255, 255, 255, .4) 0 6px, transparent 6px 14px); }
[data-theme="thiep"] .ic { --ic-env-front: #fbe8e3; --ic-env-flap: #f5dad3; --ic-env-in: #eab5ab; --ic-wax: #c9534f;
  --ic-liner: radial-gradient(circle, rgba(255, 255, 255, .55) 0 1.6px, transparent 2px) 0 0 / 11px 11px; }
[data-theme="hoangkim"] .ic { --ic-env-front: #f6efe0; --ic-env-flap: #efe5cf; --ic-env-in: #e2cfa4; --ic-wax: #a8842f; --ic-wax-ink: #fff4d6;
  --ic-card-bg: #fffdf7; --ic-line: rgba(168, 132, 47, .6);
  --ic-liner: repeating-linear-gradient(45deg, rgba(168, 132, 47, .28) 0 1px, transparent 1px 10px), repeating-linear-gradient(-45deg, rgba(168, 132, 47, .28) 0 1px, transparent 1px 10px); }
[data-theme="songhy"] .ic { --ic-env-front: #b3261e; --ic-env-flap: #a51f17; --ic-env-in: #7e150f; --ic-wax: #d4a64a; --ic-wax-ink: #8e1c16;
  --ic-to-small: #f3d08c; --ic-to-name: #fff3d6; --ic-card-bg: #fffaf0; --ic-line: rgba(179, 38, 30, .55);
  --ic-liner: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'><path d='M0 20h10V10h20v20H20V20M20 0v5M20 35v5' fill='none' stroke='%23e2b865' stroke-width='1.2' stroke-opacity='.45'/></svg>") 0 0 / 40px 40px; }
[data-theme="tapchi"] .ic { --ic-env-front: #f7f6f2; --ic-env-flap: #efeeea; --ic-env-in: #161514; --ic-wax: #161514; --ic-wax-ink: #f6f5f1;
  --ic-card-bg: #fff; --ic-line: #161514; }
[data-theme="vuonhoa"] .ic { --ic-env-front: #efeadb; --ic-env-flap: #e8e2cf; --ic-env-in: #c9d1b3; --ic-wax: #5c6b3a; --ic-card-bg: #fbf9f2; --ic-line: rgba(92, 107, 58, .45);
  --ic-liner: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='44' height='44'><path d='M22 30c-6-8-6-15 0-22 6 7 6 14 0 22zM22 30V38' fill='none' stroke='%235c6b3a' stroke-opacity='.35' stroke-width='1.2'/></svg>") 0 0 / 44px 44px; }
[data-theme="demsao"] .ic { --ic-on-accent: #0d1530; --ic-env-front: #1b2654; --ic-env-flap: #16214a; --ic-env-in: #0b1330; --ic-wax: #c9a24f; --ic-wax-ink: #0d1530;
  --ic-to-small: #bcbad0; --ic-to-name: #f3dfaa; --ic-card-bg: linear-gradient(180deg, #16204a, #0f1838); --ic-line: rgba(216, 181, 106, .5);
  --ic-liner: var(--stars-a); }
[data-theme="demsao"] .ic-preview { background: #3a3218; color: #f3e2b0; }
[data-theme="demsao"] .ic-msg textarea, [data-theme="demsao"] .ic-stepper input { background: #0c1431; }
[data-theme="datnung"] .ic { --ic-env-front: #c99f78; --ic-env-flap: #bf9269; --ic-env-in: #a94f32; --ic-wax: #9c4429; --ic-wax-ink: #fbefe3;
  --ic-to-small: #5a3a2a; --ic-to-name: #3d281e; --ic-card-bg: #fbf5ec; --ic-line: rgba(169, 79, 50, .45);
  --ic-liner: radial-gradient(circle at 50% 100%, transparent 0 18px, rgba(217, 160, 91, .55) 18px 26px, transparent 26px 34px, rgba(231, 195, 173, .55) 34px 42px, transparent 42px) 0 0 / 84px 48px; }
/* Nút vuông cho 2 giao diện kẻ thẳng */
[data-theme="tapchi"] .ic-btn, [data-theme="tapchi"] .ic-enter, [data-theme="hoangkim"] .ic-btn, [data-theme="hoangkim"] .ic-enter { border-radius: 0; }