/* ============================================================
   MotivR — upload-zone.css
   Composant de saisie enrichi : tabs Coller / Fichier,
   zone de dépôt drag-and-drop, états, animations.
   Dépend de : variables.css, analyser.css
   ============================================================ */


/* ── Onglets de saisie ───────────────────────────────────── */

.input-tabs {
  display: flex;
  gap: 0;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  padding: 4px;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  position: relative;
}

/* Fond glissant (slider) animé sous l'onglet actif */
.input-tabs__slider {
  position: absolute;
  top: 4px;
  left: 4px;
  height: calc(100% - 8px);
  width: calc(50% - 4px);
  background: var(--color-white);
  border-radius: calc(var(--radius-md) - 2px);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s cubic-bezier(0.34, 1.2, 0.64, 1);
  pointer-events: none;
  z-index: 0;
}

.input-tabs[data-active="file"] .input-tabs__slider {
  transform: translateX(100%);
}

.input-tabs__btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.45rem 0.75rem;
  border-radius: calc(var(--radius-md) - 2px);
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text-light);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1;
  transition:
    color 0.2s ease,
    transform 0.15s ease;
  white-space: nowrap;
  min-height: 36px;
  min-width: 0;
  overflow: hidden;
}

.input-tabs__btn svg {
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.2s ease;
  min-width: 15px;
}

.input-tabs__btn--active {
  color: var(--color-text);
}

.input-tabs__btn--active svg { opacity: 1; }

.input-tabs__btn:not(.input-tabs__btn--active):hover {
  color: var(--color-text);
  transform: none;
}

.input-tabs__btn:active { transform: scale(0.97); }

/* Labels responsive : long par défaut, court sur petit écran */
.input-tabs__label-short { display: none; }
.input-tabs__label-long  { display: inline; }


/* ── Panneaux de saisie ──────────────────────────────────── */

.input-panel {
  display: none;
  width: 100%;
  animation: panel-in 0.25s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.input-panel.is-active { display: block; }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ── Zone de dépôt (drop zone) ───────────────────────────── */

.drop-zone {
  position: relative;
  width: 100%;
  border: 2px dashed var(--color-primary-light);
  border-radius: var(--radius-xl);
  background: var(--color-bg);
  padding: var(--space-10) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  text-align: center;
  cursor: pointer;
  transition:
    border-color      0.25s ease,
    background-color  0.25s ease,
    box-shadow        0.25s ease,
    transform         0.2s cubic-bezier(0.34, 1.3, 0.64, 1);
  outline: none;
  min-height: 220px;
  overflow: hidden;
}

/* Particules de fond (générées via pseudo-éléments) */
.drop-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(107, 111, 212, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(245, 185, 122, 0.04) 0%, transparent 50%);
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.drop-zone:hover::before,
.drop-zone.is-over::before { opacity: 1; }

/* Hover léger */
.drop-zone:hover,
.drop-zone:focus-visible {
  border-color: var(--color-primary);
  background-color: var(--color-primary-faint);
  box-shadow: inset 0 0 0 3px rgba(107, 111, 212, 0.08);
}

/* Drag-over actif → feedback fort */
.drop-zone.is-over {
  border-color: var(--color-primary);
  border-style: solid;
  background-color: var(--color-primary-faint);
  box-shadow:
    inset 0 0 0 4px rgba(107, 111, 212, 0.14),
    inset 0 0 32px rgba(107, 111, 212, 0.08);
  transform: scale(1.012);
}

/* Hover icône */
.drop-zone__icon-wrap {
  position: relative;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.5, 0.64, 1);
}

.drop-zone:hover .drop-zone__icon-wrap,
.drop-zone.is-over .drop-zone__icon-wrap {
  transform: translateY(-4px);
}

/* Anneau décoratif autour de l'icône */
.drop-zone__icon-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-primary-faint);
  border: 1.5px solid rgba(107, 111, 212, 0.2);
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease;
}

.drop-zone.is-over .drop-zone__icon-ring,
.drop-zone:hover .drop-zone__icon-ring {
  background: rgba(107, 111, 212, 0.12);
  border-color: rgba(107, 111, 212, 0.4);
}

.drop-zone__icon {
  position: relative;
  z-index: 1;
  color: var(--color-primary);
  transition: transform 0.35s cubic-bezier(0.34, 1.5, 0.64, 1);
}

.drop-zone.is-over .drop-zone__icon { transform: scale(1.15); }

/* Textes */
.drop-zone__title {
  font-family: var(--font-display);
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.015em;
  line-height: 1.3;
  transition: color 0.2s ease;
}

.drop-zone.is-over .drop-zone__title { color: var(--color-primary); }

.drop-zone__sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.55;
  max-width: 32ch;
}

/* Badge de formats acceptés */
.drop-zone__formats {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.drop-zone__format-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.drop-zone__format-badge--pdf {
  color: var(--color-error-text);
  border-color: var(--color-error-border);
  background: var(--color-error-bg);
}

.drop-zone__format-badge--txt {
  color: var(--color-success-text);
  border-color: var(--color-success-border);
  background: var(--color-success-bg);
}

/* Bouton "Parcourir" dans la drop zone */
.drop-zone__browse-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-on-brand);
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    box-shadow       0.2s ease,
    transform        0.15s ease;
  pointer-events: auto;
  position: relative;
  z-index: 2;
}

.drop-zone__browse-btn:hover,
.drop-zone__browse-btn:focus-visible {
  background: #5558bf;
  box-shadow: 0 4px 12px rgba(107, 111, 212, 0.35);
  transform: translateY(-1px);
}

.drop-zone__browse-btn:active { transform: scale(0.97) translateY(0); }

/* Input file masqué */
.drop-zone__file-input {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* Limite de taille */
.drop-zone__size-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  opacity: 0.75;
}


/* ── État "is-over" : ondes "pierre dans l'eau" ──────────── */

@keyframes water-ripple {
  0%   { transform: translate(-50%, -50%) scale(0); opacity: 0.7; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 0;   }
}

.drop-zone__ripple {
  position: absolute;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  border: 1.5px solid rgba(107, 111, 212, 0.6);
  background: transparent;
  left: 50%;
  top: 50%;
  /* centrage via transform (géré par l'animation) */
  pointer-events: none;
  /* durée fixe, aucun délai ici — le délai est injecté inline par JS */
  animation: water-ripple 2s linear forwards;
  will-change: transform, opacity;
}


/* ── Aperçu du fichier chargé ─────────────────────────────── */

@keyframes file-preview-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.file-preview {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border: 1.5px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  width: 100%;
  animation: file-preview-in 0.3s cubic-bezier(0.34, 1.2, 0.64, 1) both;
  position: relative;
  overflow: hidden;
  margin-top: var(--space-4);
}

/* Barre de couleur à gauche selon le type — supprimée (mauvais rendu UI) */
.file-preview::before { display: none; }
.file-preview--pdf::before { display: none; }
.file-preview--txt::before { display: none; }

.file-preview__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.file-preview--pdf .file-preview__icon {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.file-preview--txt .file-preview__icon {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.file-preview__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.file-preview__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-preview__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.file-preview__meta-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--color-border);
  flex-shrink: 0;
}

/* Barre de progression d'extraction */
.file-preview__progress-bar {
  height: 3px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 4px;
}

.file-preview__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 999px;
  transition: width 0.4s ease;
  will-change: width;
}

.file-preview__remove {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-light);
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.15s ease;
}

.file-preview__remove:hover,
.file-preview__remove:focus-visible {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  transform: scale(1.1);
}


/* ── Badge de statut d'extraction ─────────────────────────── */

.extraction-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}

.extraction-status--loading {
  color: var(--color-primary);
  background: var(--color-primary-faint);
}

.extraction-status--ok {
  color: var(--color-success-text);
  background: var(--color-success-bg);
}

.extraction-status--error {
  color: var(--color-error-text);
  background: var(--color-error-bg);
}

/* Petit spinner d'extraction inline */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.extraction-status__spinner {
  width: 10px; height: 10px;
  border: 1.5px solid rgba(107, 111, 212, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}


/* ── Toast d'erreur upload ────────────────────────────────── */

@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

#upload-toast-zone:not(:empty) {
  margin-top: var(--space-4);
}

.upload-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-error-text);
  line-height: 1.5;
  animation: toast-in 0.25s ease both;
}

.upload-toast--warn {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}

.upload-toast__icon {
  flex-shrink: 0;
  margin-top: 1px;
  /* Plus de `color` ici : le pictogramme est un SVG inline
     (statusIconSVG(), voir status-icons.js) dont le cercle de fond et
     le trait référencent déjà var(--color-error-solid) /
     var(--color-warning-icon) directement — la couleur ne dépend plus
     de currentColor hérité d'ici. */
}

.upload-toast--warn .upload-toast__close {
  color: var(--color-warning-icon);
}

.upload-toast__close {
  flex-shrink: 0;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-error-solid);
  opacity: 0.6;
  padding: 0;
  line-height: 1;
  font-size: 1rem;
  transition: opacity 0.15s ease;
}

.upload-toast__close:hover { opacity: 1; }


/* ── Word count sur le panneau texte ─────────────────────── */

/* Extension du comportement existant — conserve la compatibilité */
.analyser__textarea-wrap.has-file {
  pointer-events: none;
  opacity: 0.5;
}


/* ── Transitions entre panneaux ──────────────────────────── */

.input-panels-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 479px) {
  .drop-zone { padding: var(--space-8) var(--space-4); min-height: 180px; }
  .drop-zone__title { font-size: var(--font-size-base); }
  .drop-zone__icon-wrap { width: 56px; height: 56px; }

  .input-tabs { max-width: 100%; }
  .input-tabs__btn {
    font-size: var(--font-size-xs);
    padding: 0.4rem 0.4rem;
    gap: 4px;
  }
  /* Sur très petit écran, masquer le texte long et garder l'icône + label court */
  .input-tabs__btn .input-tabs__label-long { display: none; }
  .input-tabs__btn .input-tabs__label-short { display: inline; }

  .file-preview { flex-wrap: wrap; gap: var(--space-3); }
  .file-preview__remove { margin-left: auto; }
}

@media (min-width: 768px) {
  .drop-zone { min-height: 260px; padding: var(--space-12) var(--space-8); }
  .drop-zone__title { font-size: var(--font-size-lg); }
}

@media (min-width: 1024px) {
  .drop-zone { min-height: 280px; }
}