.nx-download-page {
  padding: 48px 0 100px;
}

.nx-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.nx-download-header {
  text-align: center;
  margin-bottom: 48px;
}

.nx-download-title {
  font-size: clamp(36px, 3vw, 42px);
  font-weight: 700;
  margin-bottom: 8px;
}

.nx-download-intro {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-muted);
}

.nx-download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px;
}

/* Card */
.nx-download-card {
  background: #ffffff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 6px 6px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
}

.nx-download-thumb img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: contain;
  padding: 16px;
  background: var(--color-bg-soft)
}

.nx-download-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nx-download-name {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  min-height: 48px;
}

.nx-download-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  gap: 6px;
  font-size: 13px;
  color: var(--color-muted);
}

.nx-download-type-icon img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  display: block;
}
.nx-download-filename {
    font-weight: 500;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


.nx-download-size {
  font-size: 13px;
}

/* Buttons */
.nx-download-actions {
  margin-top: 12px;
}
.nx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.nx-btn--primary {
  background: var(--color-primary );
  color: #fff;
  border-color: var(--color-primary);
}

.nx-btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.nx-btn--ghost {
  background: #ffffff;
  color: var(--color-primary);
  border-color: var(--color-primary
  );
}

.nx-btn--ghost:hover {
  background: var(--color-bg-soft);
}

/* ===== MODAL – DOWNLOAD CENTER ===== */

/* Khóa scroll của page khi mở modal */
.nx-modal-open {
  overflow: hidden;
}
body.nx-modal-open::-webkit-scrollbar {
  display: none;
}

body.nx-modal-open {
  overflow: hidden !important;
  height: 100vh;
}

/* Lớp phủ toàn màn hình */
.nx-doc-modal {
  position: fixed;
  inset: 0;
  display: none;                 /* ẩn mặc định */
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  z-index: 9999;
}

.nx-doc-modal.is-active {
  display: flex;
}

/* Overlay mờ phía sau */
.nx-doc-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

/* Khung trắng dialog */
.nx-doc-modal__dialog {
  position: relative;
  z-index: 1;
  max-width: 620px;
  width: 100%;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);

  /* để header/footer cố định, body scroll */
  max-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 20px 24px 16px;
}

/* Nút đóng */
.nx-doc-modal__close {
  position: absolute;
  top: 10px;
  right: 14px;
  border: none;
  background: transparent;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

/* Tiêu đề + mô tả */
.nx-doc-modal__title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 4px;
}

.nx-doc-modal__subtitle {
  font-size: 14px;
  color: #666;
  margin: 0 0 14px;
}

/* Phần form – CHỈ PHẦN NÀY SCROLL */
.nx-doc-modal__form {
  font-size: 14px;
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 4px 12px 4px 0;
  margin-bottom: 10px;
}

/* Footer cố định dưới cùng */
.nx-doc-modal__footer {
  flex-shrink: 0;
  padding-top: 8px;
  border-top: 1px solid var(--color-border, #e5e7eb);
  text-align: right;
}

.nx-doc-modal__footer small {
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* Scrollbar màu xanh trong phần form (Chrome/Edge/Safari) */
.nx-doc-modal__form::-webkit-scrollbar {
  width: 4px;
}

.nx-doc-modal__form::-webkit-scrollbar-track {
  background: #e5edff;
  border-radius: 999px;
}

.nx-doc-modal__form::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 999px;
}

.nx-doc-modal__form::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-hover);
}

/* Responsive tweak (giữ nguyên như cũ) */
@media (max-width: 600px) {
  .nx-download-thumb img {
    height: 150px;
  }
}