/* ================================================================
   Sephy Lab PDF Tools — Feuille de style
   Inspiré du thème SephyLab Cyberpunk : découpes, bleu #1d4ed8, cyan #00d4ff
   ================================================================ */

/* ── Variables ─────────────────────────────────────────────────── */
.slb-pt {
  --pt-primary:       #1d4ed8;
  --pt-primary-dark:  #1e3a8a;
  --pt-primary-light: #dbeafe;
  --pt-cyan:          #00d4ff;
  --pt-cyan-dim:      rgba(0, 212, 255, 0.15);
  --pt-success:       #059669;
  --pt-success-bg:    #d1fae5;
  --pt-error:         #dc2626;
  --pt-error-bg:      #fee2e2;
  --pt-warning-bg:    #fef3c7;
  --pt-text:          #142033;
  --pt-text-muted:    #52636f;
  --pt-bg:            #f3f7f8;
  --pt-surface:       #ffffff;
  --pt-border:        rgba(29, 78, 216, 0.15);
  --pt-border-active: rgba(0, 212, 255, 0.6);
  --pt-shadow:        0 4px 16px rgba(15, 23, 42, 0.08);
  --pt-shadow-md:     0 8px 28px rgba(15, 23, 42, 0.12);

  --pt-radius:        0px; /* cyber: pas de radius doux */
  --pt-cut:           10px;
  --pt-cut-lg:        16px;
  --pt-font-main:     "Aptos", "Segoe UI Variable Text", "IBM Plex Sans", system-ui, sans-serif;
  --pt-font-mono:     "Cascadia Code", "IBM Plex Mono", "Fira Code", Consolas, monospace;

  --pt-btn-clip: polygon(
    0 0,
    calc(100% - var(--pt-cut)) 0,
    100% var(--pt-cut),
    100% 100%,
    var(--pt-cut) 100%,
    0 calc(100% - var(--pt-cut))
  );
  --pt-card-clip: polygon(
    0 var(--pt-cut),
    var(--pt-cut) 0,
    calc(100% - var(--pt-cut)) 0,
    100% var(--pt-cut),
    100% calc(100% - var(--pt-cut)),
    calc(100% - var(--pt-cut)) 100%,
    var(--pt-cut) 100%,
    0 calc(100% - var(--pt-cut))
  );
}

/* ── Base ──────────────────────────────────────────────────────── */
.slb-pt *,
.slb-pt *::before,
.slb-pt *::after {
  box-sizing: border-box;
}

.slb-pt {
  font-family: var(--pt-font-main);
  color: var(--pt-text);
  background: var(--pt-bg);
  padding: 2rem 1.5rem 3rem;
  max-width: 900px;
  margin: 0 auto;
}

/* ── En-tête ───────────────────────────────────────────────────── */
.slb-pt__header {
  margin-bottom: 2rem;
  text-align: center;
}

.slb-pt__title {
  font-family: var(--pt-font-mono);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--pt-primary-dark);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.slb-pt__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--pt-primary), var(--pt-cyan));
  margin: 0.5rem auto 0;
}

.slb-pt__intro {
  color: var(--pt-text-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 1rem;
}


/* ── Onglets ───────────────────────────────────────────────────── */
.slb-pt__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-bottom: 0;
  position: relative;
}

.slb-pt__tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  font-family: var(--pt-font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pt-text-muted);
  background: var(--pt-surface);
  border: 1px solid var(--pt-border);
  border-bottom: none;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  position: relative;
  top: 1px;
}

.slb-pt__tab:hover {
  color: var(--pt-primary);
  background: var(--pt-primary-light);
}

.slb-pt__tab--active,
.slb-pt__tab[aria-selected="true"] {
  color: var(--pt-primary);
  background: var(--pt-surface);
  border-color: rgba(29, 78, 216, 0.3);
  border-bottom-color: var(--pt-surface);
  z-index: 2;
}

.slb-pt__tab:focus-visible {
  outline: 2px solid var(--pt-cyan);
  outline-offset: 2px;
}

/* ── Panneaux ──────────────────────────────────────────────────── */
.slb-pt__panels {
  background: var(--pt-surface);
  border: 1px solid rgba(29, 78, 216, 0.2);
  padding: 2rem;
  position: relative;
  z-index: 1;
  clip-path: polygon(
    0 0,
    calc(100% - var(--pt-cut-lg)) 0,
    100% var(--pt-cut-lg),
    100% 100%,
    var(--pt-cut-lg) 100%,
    0 calc(100% - var(--pt-cut-lg))
  );
  box-shadow: var(--pt-shadow);
}

.slb-pt__panel {
  animation: slb-pt-fadein 0.2s ease;
}

@keyframes slb-pt-fadein {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Zone de dépôt ─────────────────────────────────────────────── */
.slb-pt__drop-zone {
  border: 2px dashed rgba(29, 78, 216, 0.3);
  background: var(--pt-bg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}

.slb-pt__drop-zone:hover,
.slb-pt__drop-zone:focus-visible {
  border-color: var(--pt-primary);
  background: var(--pt-primary-light);
}

.slb-pt__drop-zone:focus-visible {
  outline: 2px solid var(--pt-cyan);
  outline-offset: 2px;
}

.slb-pt__drop-zone--active {
  border-color: var(--pt-cyan);
  background: var(--pt-cyan-dim);
  border-style: solid;
}

.slb-pt__drop-icon {
  color: var(--pt-primary);
  opacity: 0.7;
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: center;
}

.slb-pt__drop-text {
  font-size: 0.95rem;
  color: var(--pt-text);
  margin: 0 0 0.25rem;
}

.slb-pt__drop-hint {
  font-size: 0.8rem;
  color: var(--pt-text-muted);
  margin: 0;
}

.slb-pt__browse-link {
  color: var(--pt-primary);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

.slb-pt__browse-link:hover {
  color: var(--pt-primary-dark);
}

.slb-pt__file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ── Info fichier chargé ───────────────────────────────────────── */
.slb-pt__file-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: var(--pt-primary-light);
  border-left: 3px solid var(--pt-primary);
  font-size: 0.88rem;
}

.slb-pt__file-info .slb-pt__fi-name {
  font-weight: 600;
  color: var(--pt-primary-dark);
  font-family: var(--pt-font-mono);
  word-break: break-all;
}

.slb-pt__file-info .slb-pt__fi-size,
.slb-pt__file-info .slb-pt__fi-pages {
  color: var(--pt-text-muted);
  font-size: 0.82rem;
}

.slb-pt__file-info .slb-pt__fi-sep {
  color: var(--pt-border);
}

/* ── Options ───────────────────────────────────────────────────── */
.slb-pt__options {
  margin-top: 1.5rem;
}

.slb-pt__options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.slb-pt__fieldset {
  border: 1px solid var(--pt-border);
  padding: 1rem 1.1rem;
  margin: 0;
  background: var(--pt-bg);
}

.slb-pt__legend {
  font-family: var(--pt-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pt-primary);
  padding: 0 0.4rem;
}

.slb-pt__radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.slb-pt__radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.slb-pt__radio-label:hover {
  color: var(--pt-primary);
}

.slb-pt__radio-label input[type="radio"] {
  accent-color: var(--pt-primary);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

.slb-pt__radio-icon {
  font-size: 1rem;
  color: var(--pt-primary);
}

.slb-pt__inline-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* ── Champs texte ──────────────────────────────────────────────── */
.slb-pt__field {
  margin-bottom: 1.25rem;
}

.slb-pt__label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--pt-text);
  margin-bottom: 0.4rem;
}

.slb-pt__input-wrap {
  position: relative;
}

.slb-pt__input {
  width: 100%;
  padding: 0.55rem 0.9rem;
  font-size: 0.95rem;
  font-family: var(--pt-font-mono);
  color: var(--pt-text);
  background: var(--pt-surface);
  border: 1px solid rgba(29, 78, 216, 0.25);
  border-radius: 0;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.slb-pt__input:focus {
  outline: none;
  border-color: var(--pt-primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

.slb-pt__input--sm {
  width: 80px;
}

.slb-pt__field-hint {
  font-size: 0.82rem;
  color: var(--pt-text-muted);
  margin: 0.35rem 0 0;
}

.slb-pt__hint-text {
  font-size: 0.88rem;
  color: var(--pt-text-muted);
  margin: 0 0 1rem;
}

/* ── Boutons ───────────────────────────────────────────────────── */
.slb-pt__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.4rem;
  font-family: var(--pt-font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, opacity 0.15s;
  border: none;
  clip-path: var(--pt-btn-clip);
}

.slb-pt__btn--primary {
  background: linear-gradient(135deg, var(--pt-primary) 0%, #1e40af 100%);
  color: #fff;
}

.slb-pt__btn--primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #1e40af 0%, var(--pt-primary-dark) 100%);
}

.slb-pt__btn--ghost {
  background: transparent;
  color: var(--pt-primary);
  border: 1px solid rgba(29, 78, 216, 0.35);
  clip-path: none;
  border-radius: 0;
}

.slb-pt__btn--ghost:hover:not(:disabled) {
  background: var(--pt-primary-light);
}

.slb-pt__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.slb-pt__btn:focus-visible {
  outline: 2px solid var(--pt-cyan);
  outline-offset: 2px;
}

.slb-pt__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
  align-items: center;
}

/* ── Zone de statut / messages ─────────────────────────────────── */
.slb-pt__status {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  clip-path: var(--pt-btn-clip);
  margin: 1rem 0 0;
}

.slb-pt__status--error {
  background: var(--pt-error-bg);
  color: var(--pt-error);
  border-left: 3px solid var(--pt-error);
}

.slb-pt__status--success {
  background: var(--pt-success-bg);
  color: var(--pt-success);
  border-left: 3px solid var(--pt-success);
}

.slb-pt__status--info {
  background: var(--pt-primary-light);
  color: var(--pt-primary-dark);
  border-left: 3px solid var(--pt-primary);
}

/* ── Liste fusion ──────────────────────────────────────────────── */
.slb-pt__file-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.slb-pt__file-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--pt-bg);
  border: 1px solid var(--pt-border);
  font-size: 0.88rem;
  transition: background 0.15s;
  cursor: grab;
}

.slb-pt__file-item:hover {
  background: var(--pt-primary-light);
}

.slb-pt__file-item.slb-pt__dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.slb-pt__file-item.slb-pt__drag-over {
  border-top: 2px solid var(--pt-cyan);
  background: var(--pt-cyan-dim);
}

.slb-pt__drag-handle {
  color: var(--pt-text-muted);
  font-size: 1.1rem;
  cursor: grab;
  flex-shrink: 0;
  letter-spacing: -2px;
}

.slb-pt__fi-name-inline {
  flex: 1;
  font-family: var(--pt-font-mono);
  color: var(--pt-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.slb-pt__fi-size-inline {
  color: var(--pt-text-muted);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.slb-pt__item-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.slb-pt__icon-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  background: transparent;
  border: 1px solid var(--pt-border);
  color: var(--pt-text-muted);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  clip-path: none;
}

.slb-pt__icon-btn:hover {
  background: var(--pt-primary);
  color: #fff;
  border-color: var(--pt-primary);
}

.slb-pt__icon-btn--danger:hover {
  background: var(--pt-error);
  border-color: var(--pt-error);
}

.slb-pt__icon-btn:focus-visible {
  outline: 2px solid var(--pt-cyan);
  outline-offset: 2px;
}

/* ── Miniatures réorganisation ─────────────────────────────────── */
.slb-pt__loading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  color: var(--pt-text-muted);
  font-size: 0.9rem;
}

.slb-pt__spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--pt-border);
  border-top-color: var(--pt-primary);
  border-radius: 50%;
  animation: slb-pt-spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes slb-pt-spin {
  to { transform: rotate(360deg); }
}

.slb-pt__thumbnails {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem 0;
}

.slb-pt__thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  width: 110px;
  cursor: grab;
  background: var(--pt-bg);
  border: 2px solid var(--pt-border);
  padding: 0.4rem;
  transition: border-color 0.15s, transform 0.1s;
  user-select: none;
}

.slb-pt__thumb:hover {
  border-color: var(--pt-primary);
}

.slb-pt__thumb:focus-visible {
  outline: 2px solid var(--pt-cyan);
  outline-offset: 2px;
}

.slb-pt__thumb.slb-pt__dragging {
  opacity: 0.4;
  cursor: grabbing;
}

.slb-pt__thumb.slb-pt__drag-over {
  border-color: var(--pt-cyan);
  background: var(--pt-cyan-dim);
}

.slb-pt__thumb-img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--pt-border);
}

.slb-pt__thumb-placeholder {
  width: 100%;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pt-primary-light);
  font-size: 2rem;
  color: var(--pt-primary);
  opacity: 0.6;
  border: 1px solid var(--pt-border);
}

.slb-pt__thumb-label {
  font-family: var(--pt-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--pt-text-muted);
  text-align: center;
}

/* ── FAQ ───────────────────────────────────────────────────────── */
.slb-pt__faq {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pt-border);
}

.slb-pt__faq-title {
  font-family: var(--pt-font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--pt-primary-dark);
  margin: 0 0 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.slb-pt__faq-grid {
  display: grid;
  gap: 0.5rem;
}

.slb-pt__faq-item {
  border: 1px solid var(--pt-border);
  background: var(--pt-surface);
}

.slb-pt__faq-item[open] {
  border-color: rgba(29, 78, 216, 0.3);
  background: var(--pt-primary-light);
}

.slb-pt__faq-q {
  padding: 0.85rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--pt-primary-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  user-select: none;
}

.slb-pt__faq-q::-webkit-details-marker { display: none; }

.slb-pt__faq-q::after {
  content: '+';
  font-size: 1.1rem;
  font-family: var(--pt-font-mono);
  font-weight: 400;
  color: var(--pt-primary);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.slb-pt__faq-item[open] .slb-pt__faq-q::after {
  transform: rotate(45deg);
}

.slb-pt__faq-a {
  padding: 0 1.1rem 0.85rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--pt-text);
  margin: 0;
}

.slb-pt__faq-a code {
  font-family: var(--pt-font-mono);
  background: rgba(29, 78, 216, 0.1);
  padding: 0.1em 0.35em;
  font-size: 0.88em;
  color: var(--pt-primary-dark);
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .slb-pt {
    padding: 1.25rem 1rem 2rem;
  }

  .slb-pt__panels {
    padding: 1.25rem;
    clip-path: none;
  }

  .slb-pt__tab span:not(.slb-pt__tab svg) {
    /* Sur mobile, on affiche uniquement les icônes si peu de place */
  }

  .slb-pt__tab {
    padding: 0.55rem 0.7rem;
    font-size: 0.78rem;
    clip-path: none;
    border-radius: 2px 2px 0 0;
  }

  .slb-pt__tab svg {
    flex-shrink: 0;
  }

  .slb-pt__options-grid {
    grid-template-columns: 1fr;
  }

  .slb-pt__thumbnails {
    gap: 0.5rem;
  }

  .slb-pt__thumb {
    width: 85px;
  }

  .slb-pt__thumb-placeholder {
    height: 100px;
  }

  .slb-pt__actions {
    flex-direction: column;
  }

  .slb-pt__btn--primary,
  .slb-pt__btn--ghost {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 440px) {
  .slb-pt__tab span:last-child {
    display: none;
  }

  .slb-pt__tab {
    padding: 0.55rem;
  }
}