/* Catalogue, fiche et lecteur des documents (PDF / EPUB) */

.nd-docs-page { padding: 48px 0 80px; }
.nd-docs-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.nd-docs-eyebrow { display: inline-block; color: var(--nd-green); font: 600 12px/1 var(--nd-mono); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; }
.nd-docs-head h1 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 40px); color: var(--nd-text); letter-spacing: -0.5px; }
.nd-docs-head p { margin: 0; color: var(--nd-text2); max-width: 620px; line-height: 1.6; }

.nd-docs-toolbar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.nd-docs-search { flex: 1 1 260px; display: flex; align-items: center; gap: 10px; padding: 0 14px; height: 44px; border: 1px solid var(--nd-border); border-radius: 10px; background: var(--nd-surface); }
.nd-docs-search svg { width: 16px; height: 16px; color: var(--nd-text3); flex-shrink: 0; }
.nd-docs-search input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--nd-text); font: 400 14px var(--nd-sans); outline: none; }
.nd-docs-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.nd-docs-tab { display: inline-flex; align-items: center; gap: 6px; height: 44px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--nd-border); color: var(--nd-text2); font: 600 13px var(--nd-mono); text-decoration: none; transition: border-color .2s, color .2s; }
.nd-docs-tab svg { width: 14px; height: 14px; }
.nd-docs-tab:hover { border-color: var(--nd-border2); color: var(--nd-text); }
.nd-docs-tab.active { border-color: var(--nd-green); color: var(--nd-green); background: rgba(0,255,148,.06); }

.nd-docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 22px; }
.nd-doc-card { display: flex; flex-direction: column; border: 1px solid var(--nd-border); border-radius: 14px; background: var(--nd-surface); overflow: hidden; text-decoration: none; transition: transform .2s, border-color .2s; }
.nd-doc-card:hover { transform: translateY(-3px); border-color: var(--nd-border2); }
.nd-doc-cover { position: relative; aspect-ratio: 2 / 3; background: var(--nd-bg3); display: flex; align-items: center; justify-content: center; color: var(--nd-text3); overflow: hidden; }
.nd-doc-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nd-doc-cover > svg { width: 42px; height: 42px; }
.nd-doc-cover-badges { position: absolute; left: 10px; top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.nd-doc-chip { display: inline-flex; align-items: center; gap: 4px; padding: 4px 8px; border-radius: 6px; background: rgba(10,14,20,.78); color: #fff; font: 700 10px/1 var(--nd-mono); letter-spacing: .5px; }
.nd-doc-card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.nd-doc-type { color: var(--nd-text3); font: 600 11px var(--nd-mono); text-transform: uppercase; letter-spacing: 1px; }
.nd-doc-card h2 { margin: 0; font-size: 16px; line-height: 1.35; color: var(--nd-text); }
.nd-doc-card p { margin: 0; color: var(--nd-text2); font-size: 13px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.nd-doc-price { margin-top: auto; padding-top: 6px; color: var(--nd-text); font: 700 15px var(--nd-mono); }
.nd-doc-price.free { color: var(--nd-green); }

.nd-docs-empty { text-align: center; padding: 64px 16px; border: 1px dashed var(--nd-border2); border-radius: 14px; color: var(--nd-text3); }
.nd-docs-empty svg { width: 36px; height: 36px; margin-bottom: 12px; }

/* Fiche */
.nd-doc-detail { display: grid; grid-template-columns: 280px minmax(0, 1fr) 320px; gap: 36px; align-items: start; }
.nd-doc-detail .nd-doc-cover { border-radius: 14px; border: 1px solid var(--nd-border); }
.nd-doc-detail h1 { margin: 6px 0 12px; font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; color: var(--nd-text); letter-spacing: -0.5px; }
.nd-doc-lead { color: var(--nd-text2); font-size: 16px; line-height: 1.6; margin: 0 0 18px; }
.nd-doc-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 24px; padding: 0; list-style: none; color: var(--nd-text3); font: 500 12.5px var(--nd-mono); }
.nd-doc-meta li { display: inline-flex; align-items: center; gap: 6px; }
.nd-doc-meta svg { width: 14px; height: 14px; }
.nd-doc-description { color: var(--nd-text2); line-height: 1.75; font-size: 15px; }
.nd-doc-description p, .nd-doc-description ul { margin: 0 0 14px; }
.nd-doc-description ul { padding-left: 22px; }
.nd-doc-description strong { color: var(--nd-text); }
.nd-doc-description h2 { color: var(--nd-text); font-size: 18px; margin: 0 0 10px; white-space: normal; }

.nd-doc-buy { position: sticky; top: calc(var(--nd-nav-h, 64px) + 20px); border: 1px solid var(--nd-border); border-radius: 14px; background: var(--nd-surface); padding: 22px; display: grid; gap: 14px; }
.nd-doc-buy-price { font: 800 28px var(--nd-mono); color: var(--nd-text); }
.nd-doc-buy-price small { font-size: 14px; color: var(--nd-text3); font-weight: 600; }
.nd-doc-buy form { margin: 0; }
.nd-doc-buy .nd-btn-primary, .nd-doc-buy .nd-btn-secondary { width: 100%; justify-content: center; }
.nd-doc-buy-group { display: grid; gap: 8px; }
.nd-doc-buy-group > span { color: var(--nd-text3); font: 600 11px var(--nd-mono); text-transform: uppercase; letter-spacing: 1px; }
.nd-doc-buy-row { display: flex; gap: 8px; }
.nd-doc-buy-row a { flex: 1; }
.nd-doc-icon-link { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--nd-border); color: var(--nd-text); font: 600 13px var(--nd-mono); text-decoration: none; transition: border-color .2s; }
.nd-doc-icon-link:hover { border-color: var(--nd-green); color: var(--nd-green); }
.nd-doc-icon-link svg { width: 15px; height: 15px; }
.nd-doc-owned { display: flex; align-items: center; gap: 8px; color: var(--nd-green); font: 600 13px var(--nd-mono); }
.nd-doc-owned svg { width: 16px; height: 16px; }
.nd-doc-guarantee { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--nd-text3); font-size: 12.5px; }
.nd-doc-guarantee li { display: flex; gap: 8px; align-items: flex-start; }
.nd-doc-guarantee svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 2px; color: var(--nd-green); }
.nd-doc-notice { padding: 10px 12px; border-radius: 8px; background: rgba(251,191,36,.08); border: 1px solid rgba(251,191,36,.3); color: #fbbf24; font-size: 13px; }

/* Lecteur */
.nd-reader { display: flex; flex-direction: column; height: calc(100vh - var(--nd-nav-h, 64px)); min-height: 520px; }
.nd-reader-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 12px 20px; border-bottom: 1px solid var(--nd-border); background: var(--nd-surface); }
.nd-reader-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.nd-reader-title a { color: var(--nd-text3); display: inline-flex; }
.nd-reader-title strong { color: var(--nd-text); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nd-reader-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.nd-reader-badge { padding: 4px 8px; border-radius: 6px; font: 700 10px var(--nd-mono); letter-spacing: .5px; border: 1px solid var(--nd-border2); color: var(--nd-text2); }
.nd-reader-badge.preview { color: #fbbf24; border-color: rgba(251,191,36,.35); }
.nd-reader-stage { position: relative; flex: 1; min-height: 0; background: var(--nd-bg2); }
.nd-reader-stage iframe { width: 100%; height: 100%; border: 0; display: block; }
.nd-epub-view { position: absolute; inset: 0 56px; background: #fff; }
.nd-epub-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--nd-border2); background: var(--nd-surface); color: var(--nd-text); display: flex; align-items: center; justify-content: center; cursor: pointer; }
.nd-epub-nav svg { width: 18px; height: 18px; }
.nd-epub-nav.prev { left: 8px; }
.nd-epub-nav.next { right: 8px; }
.nd-reader-status { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--nd-text3); font: 500 13px var(--nd-mono); pointer-events: none; }
.nd-reader-end { padding: 14px 20px; border-top: 1px solid var(--nd-border); background: var(--nd-surface); display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; color: var(--nd-text2); font-size: 14px; }

@media (max-width: 1080px) {
  .nd-doc-detail { grid-template-columns: 220px minmax(0, 1fr); }
  .nd-doc-buy { grid-column: 1 / -1; position: static; }
}
@media (max-width: 680px) {
  .nd-docs-page { padding: 28px 0 64px; }
  .nd-doc-detail { grid-template-columns: 1fr; gap: 24px; }
  .nd-doc-detail .nd-doc-cover { max-width: 220px; }
  .nd-docs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .nd-doc-card-body { padding: 12px; }
  .nd-epub-view { inset: 0 0 52px; }
  .nd-epub-nav { top: auto; bottom: 6px; transform: none; }
}

.nd-doc-breadcrumb { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; color: var(--nd-text3); font: 500 12.5px var(--nd-mono); }
.nd-doc-breadcrumb a { color: var(--nd-text2); text-decoration: none; }
.nd-doc-breadcrumb a:hover { color: var(--nd-green); }
.nd-doc-meta a { color: inherit; }

/* Commande, paiement, lien d'accès */
.nd-doc-recover-link { color: var(--nd-text3); font-size: 12.5px; text-align: center; }
.nd-doc-recover-link:hover { color: var(--nd-green); }
.nd-doc-checkout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: start; }
.nd-doc-panel { border: 1px solid var(--nd-border); border-radius: 14px; background: var(--nd-surface); padding: 28px; }
.nd-doc-panel h1 { margin: 0 0 8px; font-size: 26px; color: var(--nd-text); letter-spacing: -0.3px; }
.nd-doc-form { display: grid; gap: 16px; margin-top: 20px; }
.nd-doc-field { display: grid; gap: 6px; }
.nd-doc-label { color: var(--nd-text); font: 600 13px var(--nd-sans); }
.nd-doc-input { height: 46px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--nd-border2); background: var(--nd-bg2); color: var(--nd-text); font: 400 15px var(--nd-sans); outline: none; transition: border-color .2s; }
.nd-doc-input:focus { border-color: var(--nd-green); }
.nd-doc-input:disabled { opacity: .7; cursor: not-allowed; }
.nd-doc-field.has-error .nd-doc-input { border-color: #f87171; }
.nd-doc-error { color: #f87171; font-size: 12.5px; }
.nd-doc-help { color: var(--nd-text3); font-size: 12.5px; line-height: 1.5; margin: 0; }
.nd-doc-help a, .nd-doc-panel p a { color: var(--nd-green); }
.nd-doc-submit { width: 100%; justify-content: center; }
.nd-doc-submit:disabled { opacity: .7; cursor: wait; }
.nd-doc-summary { display: grid; gap: 18px; position: sticky; top: calc(var(--nd-nav-h, 64px) + 20px); }
.nd-doc-summary-item { display: flex; gap: 14px; align-items: center; }
.nd-doc-summary-item strong { display: block; color: var(--nd-text); font-size: 15px; line-height: 1.35; margin: 2px 0; }
.nd-doc-cover-sm { width: 64px; flex-shrink: 0; border-radius: 8px; border: 1px solid var(--nd-border); }
.nd-doc-cover-sm > svg { width: 22px; height: 22px; }
.nd-doc-formats-line { color: var(--nd-text3); font: 600 11px var(--nd-mono); }
.nd-doc-summary-total { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--nd-border); border-bottom: 1px solid var(--nd-border); color: var(--nd-text2); }
.nd-doc-summary-total strong { color: var(--nd-text); font: 800 20px var(--nd-mono); }
.nd-doc-status { max-width: 520px; margin: 0 auto; text-align: center; display: grid; gap: 14px; justify-items: center; }
.nd-doc-status p { color: var(--nd-text2); margin: 0; line-height: 1.6; }
.nd-doc-status .nd-doc-form { width: 100%; text-align: left; }
.nd-doc-status-icon { width: 44px; height: 44px; color: var(--nd-green); }
.nd-doc-status-icon.error { color: #f87171; }
.nd-doc-spinner { width: 40px; height: 40px; border-radius: 50%; border: 3px solid var(--nd-border2); border-top-color: var(--nd-green); animation: nd-doc-spin 0.9s linear infinite; }
@keyframes nd-doc-spin { to { transform: rotate(360deg); } }
.nd-doc-access { max-width: 640px; margin: 0 auto; display: grid; gap: 22px; }
.nd-doc-access h1 { font-size: 22px; margin: 4px 0; }
.nd-doc-access-files { display: grid; gap: 14px; }
.nd-doc-notice-info { background: rgba(59,158,255,.07); border-color: rgba(59,158,255,.3); color: var(--nd-text2); display: grid; gap: 8px; justify-items: start; }
.nd-doc-notice-info strong { color: var(--nd-text); }
.nd-doc-notice-info p { margin: 0; font-size: 13.5px; line-height: 1.55; }
@media (max-width: 900px) {
  .nd-doc-checkout { grid-template-columns: 1fr; }
  .nd-doc-summary { position: static; order: -1; }
  .nd-doc-panel { padding: 20px; }
}

.nd-doc-phone { display: grid; grid-template-columns: minmax(0, 210px) minmax(0, 1fr); gap: 8px; }
.nd-doc-phone-country { padding-right: 8px; }
@media (max-width: 480px) { .nd-doc-phone { grid-template-columns: 1fr; } }