/* =========================================
   UPU Padlet Institucional (Front UI)
   - Responsive, clean, theme-agnostic
   ========================================= */

:root{
  --upu-bg:#f8fafc;
  --upu-card:#ffffff;
  --upu-text:#0f172a;
  --upu-muted:#64748b;
  --upu-border:#e2e8f0;
  --upu-border-2:#cbd5e1;
  --upu-shadow:0 18px 45px rgba(2,6,23,.06);
  --upu-shadow-2:0 10px 24px rgba(2,6,23,.08);
  --upu-radius:18px;

  --upu-primary:#2563eb;
  --upu-primary-600:#1d4ed8;
  --upu-danger:#dc2626;
  --upu-warning:#f59e0b;
  --upu-success:#16a34a;
  --upu-info:#0ea5e9;
}

.upu-template-wrap,
.upu-shell{
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
}
.upu-shell{
  max-width: 1400px;
  padding: 0 12px;
}
.upu-template-wrap{
  min-height: 40vh;
}

/* Scope tipografía, color y box-sizing solo al ecosistema UPU
   para no pelear con el tema principal */
.upu-template-wrap,
.upu-shell,
.upu-template-wrap *,
.upu-shell *,
.upu-template-wrap *::before,
.upu-template-wrap *::after,
.upu-shell *::before,
.upu-shell *::after{
  box-sizing: border-box;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--upu-text);
}

.upu-muted{ color: var(--upu-muted); }
.upu-small{ font-weight:500; color:var(--upu-muted); font-size:12px; }

.upu-card,
.upu-form-card,
.upu-modal-card{
  background: var(--upu-card);
  border: 1px solid var(--upu-border);
  border-radius: var(--upu-radius);
  box-shadow: var(--upu-shadow);
}

/* ===== Topbar ===== */
.upu-topbar{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  padding: 16px 18px;
  border: 1px solid var(--upu-border);
  border-radius: var(--upu-radius);
  background: linear-gradient(180deg, #fff, #fbfdff);
  box-shadow: 0 10px 25px rgba(2,6,23,.04);
  margin-bottom: 14px;
}
.upu-topbar-left{ display:flex; flex-direction:column; gap:6px; min-width: 0; }
.upu-topbar-right{ display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; }
.upu-title{
  margin:0;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.upu-back{
  display:inline-flex;
  align-items:center;
  gap:8px;
  text-decoration:none;
  color: var(--upu-muted);
  font-weight:600;
}
.upu-back:hover{ color: var(--upu-text); }

/* ===== Buttons / links ===== */
.upu-btn,
.upu-btn-sm{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--upu-border-2);
  background: #fff;
  font-weight: 700;
  font-size: 14px;
  text-decoration:none;
  cursor:pointer;
  transition: transform .08s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.upu-btn:hover{ box-shadow: var(--upu-shadow-2); transform: translateY(-1px); }
.upu-btn:active{ transform: translateY(0px); box-shadow:none; }
.upu-btn:focus{ outline: 2px solid rgba(37,99,235,.25); outline-offset: 2px; }

.upu-btn-primary{
  background: var(--upu-primary);
  border-color: rgba(37,99,235,.35);
  color:#fff;
}
.upu-btn-primary:hover{ background: var(--upu-primary-600); }
.upu-btn-primary, .upu-btn-primary *{ color:#fff; }

.upu-btn-outline{
  background:#fff;
  border-color: var(--upu-border-2);
}
.upu-btn-ghost{
  background: rgba(2,6,23,.02);
  border-color: rgba(2,6,23,.08);
}
.upu-btn-danger{
  background: var(--upu-danger);
  border-color: rgba(220,38,38,.35);
  color:#fff;
}
.upu-btn-danger, .upu-btn-danger *{ color:#fff; }
.upu-btn-mini{
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
}
.upu-link{ text-decoration:none; font-weight:700; }
.upu-link-danger{ color: var(--upu-danger); }
.upu-link-danger:hover{ text-decoration: underline; }

.upu-actions{ display:flex; justify-content:flex-end; margin-top:12px; }
@media(max-width:720px){
  .upu-actions{ justify-content:stretch; }
  .upu-actions .upu-btn{ width:100%; }
}

/* ===== KPI cards ===== */
.upu-kpis{
  display:grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 10px;
  margin: 14px 0 16px;
}
.upu-kpi{
  background: linear-gradient(180deg, #fff, #f8fafc);
  border: 1px solid var(--upu-border);
  border-radius: 16px;
  padding: 12px 12px;
}
.upu-kpi-num{
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.upu-kpi-label{ color: var(--upu-muted); font-weight: 700; font-size: 12px; }
@media(max-width:1000px){
  .upu-kpis{ grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media(max-width:620px){
  .upu-kpis{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}

/* ===== Layouts ===== */
.upu-layout{
  display:grid;
  grid-template-columns: 320px 1fr;
  gap: 14px;
  align-items:start;
}
.upu-sidebar{
  position: sticky;
  top: 16px;
  background: var(--upu-card);
  border: 1px solid var(--upu-border);
  border-radius: var(--upu-radius);
  box-shadow: 0 10px 25px rgba(2,6,23,.04);
  padding: 14px;
}
.upu-sidebar h3{ margin: 4px 0 10px; font-size: 15px; }
.upu-filter label{ display:block; font-weight:800; font-size: 12px; color: var(--upu-muted); margin: 10px 0 6px; }

/* Sidebar filter inputs */
.upu-filter select,
.upu-filter input[type="text"]{
  width:100%;
  padding: 11px 12px;
  border:1px solid var(--upu-border-2);
  border-radius: 14px;
  outline:none;
  background:#fff;
}
.upu-filter select:focus,
.upu-filter input[type="text"]:focus{
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 4px rgba(37,99,235,.10);
}

.upu-main{ min-width: 0; }

@media(max-width:980px){
  .upu-layout{ grid-template-columns: 1fr; }
  .upu-sidebar{ position:relative; top:auto; }
}

/* Faculty page */
.upu-faculty-layout{ display:grid; grid-template-columns: 320px 1fr; gap:14px; }
.upu-faculty-filters{
  position: sticky; top:16px;
  background: var(--upu-card);
  border: 1px solid var(--upu-border);
  border-radius: var(--upu-radius);
  box-shadow: 0 10px 25px rgba(2,6,23,.04);
  padding: 14px;
}
.upu-faculty-main{ min-width:0; }
@media(max-width:980px){
  .upu-faculty-layout{ grid-template-columns: 1fr; }
  .upu-faculty-filters{ position:relative; top:auto; }
}

/* ===== Forms ===== */
.upu-form-card{ overflow:hidden; }
.upu-form-head{
  padding: 18px 18px 0;
}
.upu-form-head h2{
  margin: 0 0 4px;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.upu-form-head p{
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--upu-muted);
}
.upu-form{ padding: 18px; }

.upu-grid2{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media(max-width:720px){ .upu-grid2{ grid-template-columns:1fr; } }

.upu-field label{ display:block; font-weight:800; font-size:12px; color:var(--upu-muted); margin-bottom:6px; }
.upu-field input,.upu-field select,.upu-field textarea{
  width:100%;
  padding: 11px 12px;
  border:1px solid var(--upu-border-2);
  border-radius: 14px;
  outline:none;
  background:#fff;
}
.upu-field input:focus,.upu-field select:focus,.upu-field textarea:focus{
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 4px rgba(37,99,235,.10);
}
.upu-field textarea{ resize:vertical; min-height: 110px; }

.upu-check{
  display:flex;
  align-items:center;
  gap:10px;
  margin: 10px 0 6px;
  font-weight:800;
  color: var(--upu-muted);
}
.upu-check input{ width:18px; height:18px; }

/* ===== Tables ===== */
.upu-table-wrap{
  border: 1px solid var(--upu-border);
  border-radius: var(--upu-radius);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(2,6,23,.04);
}
.upu-table{
  width:100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.upu-table thead th{
  text-align:left;
  font-size: 12px;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--upu-muted);
  background: #f8fafc;
  border-bottom: 1px solid var(--upu-border);
  padding: 12px 12px;
  position: sticky;
  top: 0;
  z-index: 1;
}
.upu-table tbody td{
  padding: 12px 12px;
  border-bottom: 1px solid var(--upu-border);
  vertical-align: top;
}
.upu-table tbody tr:hover td{ background: rgba(2,6,23,.02); }
.upu-td-wrap{ max-width: 420px; }
.upu-empty{ padding: 18px; color: var(--upu-muted); }

/* inline actions */
.upu-actions-inline{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }

/* Mobile table → cards */
@media(max-width:820px){
  .upu-table thead{ display:none; }
  .upu-table, .upu-table tbody, .upu-table tr, .upu-table td{ display:block; width:100%; }
  .upu-table tbody tr{
    border: 1px solid var(--upu-border);
    border-radius: 16px;
    margin: 10px;
    overflow:hidden;
    background:#fff;
  }
  .upu-table tbody td{
    border: 0;
    border-bottom: 1px dashed var(--upu-border);
    padding: 10px 12px;
    display:flex;
    justify-content:space-between;
    gap:12px;
  }
  .upu-table tbody td:last-child{ border-bottom: 0; }
  .upu-table tbody td::before{
    content: attr(data-label);
    font-weight: 900;
    color: var(--upu-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .02em;
    flex: 0 0 42%;
    max-width: 42%;
  }
  .upu-actions-inline{ justify-content:flex-end; }
  .upu-table-wrap{ overflow: visible; }
}

/* ===== Badges (estado) ===== */
.upu-badge{
  display:inline-flex;
  align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 12px;
  border: 1px solid var(--upu-border);
  background: #fff;
}
.upu-badge-pendiente{ background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.30); color: #92400e; }
.upu-badge-en_proceso{ background: rgba(14,165,233,.12); border-color: rgba(14,165,233,.30); color: #075985; }
.upu-badge-contestada{ background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.30); color: #166534; }
.upu-badge-cerrada{ background: rgba(100,116,139,.12); border-color: rgba(100,116,139,.30); color: #334155; }

/* ===== Detail blocks ===== */
.upu-detail{
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--upu-border);
  border-radius: var(--upu-radius);
  background:#fff;
  box-shadow: 0 10px 25px rgba(2,6,23,.04);
}
.upu-detail-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
}
@media(max-width:720px){ .upu-detail-grid{ grid-template-columns:1fr; } }
.upu-detail-box{
  margin-top: 10px;
  padding: 12px;
  border: 1px dashed var(--upu-border);
  border-radius: 14px;
  background: #fbfdff;
}
.upu-reply{ border: 1px solid var(--upu-border); border-radius: 14px; padding: 10px 12px; margin: 10px 0; background:#fff; }
.upu-reply-meta{ display:flex; gap:10px; justify-content:space-between; color: var(--upu-muted); font-size: 12px; font-weight: 700; }
.upu-reply-text{ margin-top: 8px; }

/* ===== Modal ===== */
.upu-modal-open{ overflow: hidden !important; }

.upu-modal-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 16px;
  z-index: 99999;
}
.upu-modal-card{
  width: min(920px, 100%);
  max-height: min(88vh, 920px);
  overflow:hidden;
  border-radius: 20px;
  box-shadow: 0 30px 75px rgba(2,6,23,.35);
}
.upu-modal-body{
  max-height: min(88vh, 920px);
  overflow:auto;
}
.upu-modal-head{
  position: sticky;
  top: 0;
  z-index: 2;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--upu-border);
  background: linear-gradient(180deg, #fff, #fbfdff);
}
.upu-modal-title{ font-weight: 900; font-size: 16px; }
.upu-modal-sub{ color: var(--upu-muted); font-weight: 700; font-size: 12px; margin-top: 2px; }
.upu-modal-close{
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(2,6,23,.10);
  background: rgba(2,6,23,.02);
  cursor:pointer;
  font-size: 20px;
  line-height: 1;
}
.upu-modal-close:hover{ background: rgba(2,6,23,.06); }

.upu-form-modal{ padding: 14px 16px 16px; }
.upu-ticket-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
}
@media(max-width:720px){ .upu-ticket-grid{ grid-template-columns: 1fr; } }
.upu-ticket-detalle{
  margin-top: 8px;
  padding: 12px;
  border-radius: 14px;
  border: 1px dashed var(--upu-border);
  background: #fbfdff;
}
.upu-section-title{ font-weight: 900; margin: 8px 0 10px; }
.upu-respuesta-item{ border:1px solid var(--upu-border); border-radius:14px; padding:10px 12px; margin: 10px 0; }
.upu-respuesta-meta{ color: var(--upu-muted); font-size: 12px; font-weight: 800; margin-bottom: 6px; }
.upu-respuesta-text{ white-space: pre-wrap; }

/* ===== Alerts ===== */
.upu-alert{
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--upu-border);
  background: #fff;
  box-shadow: 0 10px 25px rgba(2,6,23,.04);
}
.upu-alert-danger{ border-color: rgba(220,38,38,.35); background: rgba(220,38,38,.06); }

/* ===== Cards grid (facultades) ===== */
.upu-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
@media(max-width:980px){ .upu-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media(max-width:620px){ .upu-grid{ grid-template-columns: 1fr; } }

.upu-grid .upu-card{
  display:block;
  padding: 16px 16px;
  border-left: 6px solid var(--upu-primary);
  text-decoration:none;
  transition: transform .08s ease, box-shadow .15s ease;
}
.upu-grid .upu-card:hover{ transform: translateY(-2px); box-shadow: var(--upu-shadow-2); }
.upu-card-title{ font-weight: 900; font-size: 16px; margin-bottom: 4px; }
.upu-card-sub{ color: var(--upu-muted); font-weight: 700; font-size: 13px; }

/* ===== Helpers ===== */
.upu-hidden{ display:none !important; }
hr{ border:0; border-top:1px solid var(--upu-border); margin: 14px 0; }


/* ===== Badges por estado ===== */
.upu-badge-danger{
  background:#fff5f5;
  border-color:#fecaca;
  color:#b91c1c;
}
.upu-badge-warning{
  background:#fffbeb;
  border-color:#fde68a;
  color:#92400e;
}
.upu-badge-success{
  background:#ecfdf5;
  border-color:#a7f3d0;
  color:#065f46;
}
.upu-badge-info{
  background:#eff6ff;
  border-color:#bfdbfe;
  color:#1d4ed8;
}
.upu-badge-muted{
  background:#f8fafc;
  border-color: var(--upu-border);
  color:#475569;
}

/* Respuestas públicas (modal vista facultad) */
.upu-public-respuestas{
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--upu-border);
}
.upu-respuestas-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top: 8px;
}
.upu-respuesta-item{
  border: 1px solid var(--upu-border);
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
}
.upu-respuesta-meta{
  font-size: 12px;
  color: var(--upu-muted);
  font-weight: 700;
  margin-bottom: 6px;
}
.upu-respuesta-text{
  white-space: pre-wrap;
}

/* ===== Floating button ===== */
.upu-float-btn{
  position: fixed;
  right: 18px;
  /* Colócalo más arriba para no chocar con otros botones flotantes del sitio */
  bottom: 110px;
  z-index: 999999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 999px;
  background: #2563eb;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(2, 6, 23, .18);
  border: 1px solid rgba(255,255,255,.18);
}
.upu-float-btn:hover{ opacity: .95; transform: translateY(-1px); }
.upu-float-btn:active{ transform: translateY(0px); }
.upu-float-btn:focus{ outline: 3px solid rgba(37, 99, 235, .35); outline-offset: 2px; }
@media (max-width: 480px){
  .upu-float-btn{
    right: 12px;
    bottom: 130px;
    padding: 11px 12px;
    font-size: 14px;
  }
}