/* ═══════════════════════════════════════════════════════════════
   Document Vault — Frontend Styles
   ═══════════════════════════════════════════════════════════════ */

:root {
  --dv-primary:     #0073aa;
  --dv-accent:      #00a0d2;
  --dv-success:     #27ae60;
  --dv-danger:      #e74c3c;
  --dv-text:        #2c3e50;
  --dv-muted:       #7f8c8d;
  --dv-border:      #e0e0e0;
  --dv-bg:          #f8f9fa;
  --dv-card-bg:     #ffffff;
  --dv-radius:      10px;
  --dv-shadow:      0 2px 12px rgba(0,0,0,.08);
  --dv-shadow-hover:0 6px 24px rgba(0,0,0,.14);
  --dv-transition:  .22s cubic-bezier(.25,.8,.25,1);
}

/* ── Wrapper ─────────────────────────────────────────────── */
.dv-wrapper { font-family: inherit; color: var(--dv-text); }

/* ── Filtros ─────────────────────────────────────────────── */
.dv-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--dv-bg);
  border-radius: var(--dv-radius);
  border: 1px solid var(--dv-border);
}
.dv-filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.dv-filter-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--dv-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
.dv-order-group { margin-left: auto; }

.dv-cat-btn,
.dv-order-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--dv-text);
  background: #fff;
  border: 1.5px solid var(--dv-border);
  transition: var(--dv-transition);
  cursor: pointer;
}
.dv-cat-btn:hover, .dv-order-btn:hover {
  border-color: var(--dv-primary);
  color: var(--dv-primary);
}
.dv-cat-btn.active, .dv-order-btn.active {
  background: var(--dv-primary);
  border-color: var(--dv-primary);
  color: #fff;
}
.dv-cat-count {
  background: rgba(255,255,255,.25);
  border-radius: 10px;
  padding: 1px 6px;
  font-size: .75rem;
}
.dv-cat-btn.active .dv-cat-count { background: rgba(255,255,255,.3); }

/* ── Grid ────────────────────────────────────────────────── */
.dv-grid {
  display: grid;
  gap: 24px;
}
.dv-cols-1 { grid-template-columns: 1fr; }
.dv-cols-2 { grid-template-columns: repeat(2, 1fr); }
.dv-cols-3 { grid-template-columns: repeat(3, 1fr); }
.dv-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .dv-cols-3, .dv-cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .dv-cols-2, .dv-cols-3, .dv-cols-4 { grid-template-columns: 1fr; }
  .dv-filters { flex-direction: column; align-items: flex-start; }
  .dv-order-group { margin-left: 0; }
}

/* ── Card ────────────────────────────────────────────────── */
.dv-card {
  background: var(--dv-card-bg);
  border-radius: var(--dv-radius);
  box-shadow: var(--dv-shadow);
  border: 1px solid var(--dv-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--dv-transition);
}
.dv-card:hover {
  box-shadow: var(--dv-shadow-hover);
  transform: translateY(-3px);
}

.dv-card-thumb {
  position: relative;
  background: var(--dv-bg);
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.dv-card-thumb img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}
.dv-card-thumb-placeholder {
  padding: 24px 0;
  opacity: .8;
}

.dv-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: #fff;
}
.dv-badge-pdf  { background: #e74c3c; }
.dv-badge-doc,
.dv-badge-docx { background: #2980b9; }
.dv-badge-txt  { background: #7f8c8d; }

.dv-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}
.dv-card-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.35;
  color: var(--dv-text);
}
.dv-card-desc {
  font-size: .87rem;
  color: var(--dv-muted);
  margin: 0;
  line-height: 1.5;
  flex: 1;
}
.dv-card-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.dv-tag {
  font-size: .75rem;
  padding: 3px 10px;
  border-radius: 12px;
  background: #eaf4fb;
  color: var(--dv-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--dv-transition);
}
.dv-tag:hover { background: var(--dv-primary); color: #fff; }

.dv-card-meta {
  display: flex;
  gap: 12px;
  font-size: .78rem;
  color: var(--dv-muted);
  flex-wrap: wrap;
}

/* ── Botón descargar ─────────────────────────────────────── */
.dv-btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 11px 20px;
  background: var(--dv-primary);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--dv-transition);
  margin-top: auto;
}
.dv-btn-download:hover { background: var(--dv-accent); }
.dv-btn-download:disabled { opacity: .6; cursor: wait; }

.dv-no-file {
  font-size: .82rem;
  color: var(--dv-muted);
  font-style: italic;
}

/* ── Paginación ──────────────────────────────────────────── */
.dv-pagination {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}
.dv-pagination .page-numbers {
  padding: 7px 14px;
  border-radius: 6px;
  border: 1.5px solid var(--dv-border);
  text-decoration: none;
  color: var(--dv-text);
  font-size: .88rem;
  transition: var(--dv-transition);
}
.dv-pagination .page-numbers.current,
.dv-pagination .page-numbers:hover {
  background: var(--dv-primary);
  border-color: var(--dv-primary);
  color: #fff;
}

/* ── Empty ───────────────────────────────────────────────── */
.dv-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--dv-muted);
  font-size: 1.1rem;
}

/* ── Modal overlay ───────────────────────────────────────── */
.dv-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(3px);
  animation: dv-fade-in .18s ease;
}
@keyframes dv-fade-in { from { opacity:0 } to { opacity:1 } }

.dv-modal {
  background: #fff;
  border-radius: 16px;
  padding: 36px 40px;
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  animation: dv-slide-up .22s ease;
}
@keyframes dv-slide-up {
  from { transform: translateY(20px); opacity:0 }
  to   { transform: translateY(0);    opacity:1 }
}

.dv-modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--dv-muted);
  line-height: 1;
  transition: var(--dv-transition);
}
.dv-modal-close:hover { color: var(--dv-danger); transform: scale(1.2); }

.dv-modal-icon { font-size: 2.6rem; text-align: center; margin-bottom: 10px; }
.dv-modal-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 6px;
  text-align: center;
  color: var(--dv-text);
}
.dv-modal-subtitle {
  text-align: center;
  font-size: .9rem;
  font-weight: 600;
  color: var(--dv-primary);
  margin: 0 0 10px;
}
.dv-modal-desc {
  text-align: center;
  font-size: .87rem;
  color: var(--dv-muted);
  margin: 0 0 22px;
}

/* ── Formulario modal ────────────────────────────────────── */
.dv-form-group {
  margin-bottom: 16px;
}
.dv-form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dv-text);
}
.dv-form-group label span { color: var(--dv-danger); }
.dv-form-group input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--dv-border);
  border-radius: 8px;
  font-size: .92rem;
  color: var(--dv-text);
  transition: var(--dv-transition);
  box-sizing: border-box;
}
.dv-form-group input:focus {
  outline: none;
  border-color: var(--dv-primary);
  box-shadow: 0 0 0 3px rgba(0,115,170,.12);
}

.dv-form-error {
  background: #fdf0f0;
  color: var(--dv-danger);
  border: 1px solid #fbc4c4;
  border-radius: 7px;
  padding: 10px 14px;
  font-size: .85rem;
  margin-bottom: 14px;
}

.dv-btn-submit {
  width: 100%;
  padding: 13px;
  background: var(--dv-primary);
  color: #fff;
  border: none;
  border-radius: 9px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--dv-transition);
  letter-spacing: .02em;
}
.dv-btn-submit:hover  { background: var(--dv-accent); }
.dv-btn-submit:disabled { opacity: .65; cursor: wait; }

.dv-privacy-note {
  text-align: center;
  font-size: .78rem;
  color: var(--dv-muted);
  margin-top: 14px;
}

/* ── Estado éxito ────────────────────────────────────────── */
#dv-modal-success-state { text-align: center; }
#dv-modal-success-state p {
  color: var(--dv-muted);
  font-size: .9rem;
  margin: 8px 0 20px;
}
.dv-btn-download-final {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--dv-success);
  color: #fff;
  border-radius: 9px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--dv-transition);
}
.dv-btn-download-final:hover { background: #219a52; color: #fff; }
.dv-expiry-note {
  font-size: .78rem;
  color: var(--dv-muted);
  margin-top: 14px;
}

@media (max-width: 520px) {
  .dv-modal { padding: 28px 22px; }
}