/* VIPORDER — khung chat Trợ lý DOMY. Dùng biến màu của style.css, có giá trị dự phòng. */

.domy {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  font: inherit;
}

.domy-nut {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: var(--primary, #cc0000);
  color: var(--white, #fff);
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 14px 34px rgba(204, 0, 0, .28);
  cursor: pointer;
}
.domy-nut:hover { background: var(--primary-dark, #990000); }
.domy-nut-cham {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .35);
}
.domy-badge {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--white, #fff);
  color: var(--primary, #cc0000);
  font-size: 12px;
  line-height: 20px;
  text-align: center;
}

.domy-cua {
  display: flex;
  flex-direction: column;
  width: 370px;
  max-width: calc(100vw - 32px);
  height: min(600px, calc(100vh - 40px));
  background: var(--bg, #fff);
  color: var(--text, #101828);
  border: 1px solid var(--border, #e4e7ec);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(16, 24, 40, .18);
  overflow: hidden;
}
/* Các lớp trên đặt display, nên thuộc tính hidden phải được ép lại cho từng khối. */
.domy-cua[hidden],
.domy-nut[hidden],
.domy-badge[hidden],
.contact-actions [hidden] { display: none; }

.domy-dau {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--dark, #0a0a0a);
  color: var(--white, #fff);
}
.domy-ten { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.domy-ten strong { font-size: 15px; }
.domy-phu { font-size: 12px; opacity: .72; }
.domy-dau-nut {
  min-width: 34px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 8px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.domy-dau-nut:hover { background: rgba(255, 255, 255, .1); }

.domy-than {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface, #f5f7fa);
}

.domy-tin {
  max-width: 86%;
  padding: 9px 12px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-line;
  overflow-wrap: anywhere;
}
.domy-tin-khach {
  align-self: flex-end;
  background: var(--primary, #cc0000);
  color: var(--white, #fff);
  border-bottom-right-radius: 4px;
}
.domy-tin-domy,
.domy-tin-staff {
  align-self: flex-start;
  background: var(--bg, #fff);
  border: 1px solid var(--border, #e4e7ec);
  border-bottom-left-radius: 4px;
}
.domy-tin-staff { border-color: #a7d7c5; background: #effaf5; }
.domy-ai-noi { display: block; font-size: 11px; font-weight: 700; color: #1f6f5c; margin-bottom: 2px; }
.domy-tin-he {
  align-self: center;
  max-width: 94%;
  background: #fff4e5;
  color: #7a4b00;
  font-size: 13px;
  text-align: center;
}
.domy-soan { color: var(--muted, #667085); font-style: italic; }

.domy-link { color: var(--primary, #cc0000); font-weight: 600; text-decoration: underline; }
.domy-link-giao {
  display: inline-block;
  margin: 6px 0 2px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--primary, #cc0000);
  color: var(--white, #fff);
  text-decoration: none;
}
.domy-link-giao:hover { background: var(--primary-dark, #990000); }

.domy-goi-y {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 14px 0;
  background: var(--surface, #f5f7fa);
}
.domy-goi-y[hidden] { display: none; }
.domy-goi-y button {
  padding: 6px 12px;
  border: 1px solid var(--border, #e4e7ec);
  border-radius: 999px;
  background: var(--bg, #fff);
  color: var(--text, #101828);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.domy-goi-y button:hover { border-color: var(--primary, #cc0000); color: var(--primary, #cc0000); }

.domy-form {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--border, #e4e7ec);
  background: var(--bg, #fff);
}
.domy-o {
  flex: 1;
  min-width: 0;
  max-height: 120px;
  padding: 10px 12px;
  border: 1px solid var(--border, #e4e7ec);
  border-radius: 12px;
  background: var(--surface, #f5f7fa);
  color: inherit;
  font: inherit;
  font-size: 14px;
  resize: none;
}
.domy-gui {
  height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 12px;
  background: var(--primary, #cc0000);
  color: var(--white, #fff);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.domy-gui:disabled { opacity: .55; cursor: progress; }
.domy-chan {
  margin: 0;
  padding: 0 14px 10px;
  background: var(--bg, #fff);
  color: var(--muted, #667085);
  font-size: 11.5px;
  text-align: center;
}

.domy button:focus-visible,
.domy a:focus-visible,
.domy textarea:focus-visible {
  outline: 3px solid var(--primary, #cc0000);
  outline-offset: 2px;
}

@media (max-width: 520px) {
  .domy { right: 12px; bottom: 12px; left: 12px; display: flex; justify-content: flex-end; }
  .domy-cua {
    position: fixed;
    inset: auto 0 0 0;
    width: 100%;
    max-width: none;
    height: min(86vh, 640px);
    border-radius: 18px 18px 0 0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .domy-tin { animation: domy-hien .2s ease-out; }
  @keyframes domy-hien { from { opacity: .3; transform: translateY(4px); } to { opacity: 1; transform: none; } }
}

/* Nút "Đặt giao hàng" ở phần Liên hệ (nền tối), cạnh "Bắt đầu đăng ký". */
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-outline-light {
  background: transparent;
  color: var(--white, #fff);
  border: 1px solid rgba(255, 255, 255, .55);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); }