/* =========================================================
   styles.css – COMPLETO (REEMPLAZA TODO)
   App Plantillas de Impresión de Fotos
   ✅ Layout 3 columnas (izq + workspace + der)
   ✅ Workspace ocupa TODO el espacio disponible (sin franjas)
   ✅ Paneles delgados en pantallas medianas
   ✅ Responsive: en pantallas pequeñas se apilan
   ✅ Topbar con referencia + numeración
   ✅ Overlay Drag & Drop
   ✅ Paginación
   ✅ Modal Preview + Modal Ver
   ✅ Print limpio (sin recuadros)
   ✅ Fullscreen real (fuera de @media print)
   ✅ Focus accesible, blur reducido
   ✅ Scroll vertical en workspace (para ver toda la hoja)
   ========================================================= */

:root{
  --bg:#0f172a;
  --panel:#111827;
  --card:#0b1220;
  --text:#e5e7eb;
  --muted:#94a3b8;
  --btn:#1f2937;
  --primary:#2563eb;
  --danger:#dc2626;
  --border:#1f2937;

  --ring: rgba(37,99,235,.45);

  --shadow-lg: 0 14px 32px rgba(0,0,0,.42);
  --shadow-md: 0 10px 24px rgba(0,0,0,.30);

  --radius-lg: 16px;
  --radius-md: 12px;

  --topbar-h: 64px;
}

/* ================= RESET ================= */
*{ box-sizing:border-box; }
html, body{ height:100%; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:
    radial-gradient(1100px 650px at 15% 0%, rgba(37,99,235,.12), transparent 55%),
    radial-gradient(900px 650px at 90% 10%, rgba(220,38,38,.10), transparent 55%),
    var(--bg);
  color:var(--text);
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
::selection{ background: rgba(37,99,235,.28); }

@media (prefers-reduced-motion: reduce){
  *{
    scroll-behavior:auto !important;
    transition:none !important;
    animation:none !important;
  }
}

/* ================= FOCUS ================= */
:focus{ outline:none; }
:focus-visible{
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: 10px;
}
canvas, img{ outline:none !important; }

/* ================= TOPBAR ================= */
.topbar{
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar-h);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding: 10px 16px;
  border-bottom:1px solid var(--border);
  background:rgba(0,0,0,.30);
  backdrop-filter: blur(6px);
}

.brand{
  font-weight:900;
  letter-spacing:.3px;
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}

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

.topbar-meta{
  display:flex;
  gap:14px;
  align-items:center;
  padding:6px 10px;
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,.16);
}

.refTitle, .pageCounter{
  display:flex;
  gap:8px;
  align-items:center;
  font-size:13px;
}
.refTitle b, .pageCounter b{ color:#fff; }

@media (max-width: 980px){
  .topbar{ flex-wrap:wrap; height:auto; padding:12px 16px; }
  .topbar-meta{ width:100%; justify-content:space-between; }
  .actions{ width:100%; justify-content:flex-end; }
}

/* ================= LAYOUT (3 columnas) ================= */
.layout,
.layout-3col{
  height: calc(100vh - var(--topbar-h));
  display:grid;
  grid-template-columns: 320px minmax(0, 1fr) 320px;
  gap:12px;
  padding:12px;
  max-width:100%;
}

/* Pantallas medianas */
@media (max-width: 1400px){
  .layout,
  .layout-3col{
    grid-template-columns: 240px minmax(0, 1fr) 240px;
    gap:10px;
    padding:10px;
  }
}

/* Tablet: 2 columnas (panel derecho abajo) */
@media (max-width: 1150px){
  .layout,
  .layout-3col{
    grid-template-columns: 260px minmax(0, 1fr);
    grid-auto-rows: auto;
    height: auto;
    min-height: calc(100vh - var(--topbar-h));
  }

  .panel.panel-right,
  .panel--right{
    grid-column: 1 / -1;
    height: auto;
    max-height: none;
  }
}

/* Móvil: apilado */
@media (max-width: 980px){
  .layout,
  .layout-3col{
    grid-template-columns: 1fr;
    gap:12px;
    padding:12px;
    height: auto;
    min-height: calc(100vh - var(--topbar-h));
  }
}

/* ================= PANEL ================= */
.panel,
.panel--left,
.panel--right{
  background: rgba(0,0,0,.20);
  border:1px solid var(--border);
  border-radius: var(--radius-lg);
  padding:14px;

  min-height: 0;        /* ✅ clave para grid */
  overflow:auto;        /* ✅ scroll propio */

  box-shadow: var(--shadow-md);
}

.panel.panel-right,
.panel--right{
  background: rgba(0,0,0,.18);
}

.panel h2{
  margin:14px 0 8px;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.4px;
  text-transform:uppercase;
}

/* Scroll panel */
.panel::-webkit-scrollbar{ width:10px; }
.panel::-webkit-scrollbar-track{
  background: rgba(255,255,255,.05);
  border-radius:20px;
}
.panel::-webkit-scrollbar-thumb{
  background: rgba(148,163,184,.25);
  border-radius:20px;
}
.panel::-webkit-scrollbar-thumb:hover{
  background: rgba(148,163,184,.35);
}

/* ================= FORM ================= */
.field{ margin:10px 0; }

label{
  display:block;
  margin-bottom:6px;
  font-size:13px;
  color:var(--muted);
}

input, select, textarea{
  width:100%;
  padding:10px 12px;
  border-radius: var(--radius-md);
  border:1px solid var(--border);
  background: rgba(0,0,0,.28);
  color:var(--text);
  outline:none;
  transition: border-color .15s ease, box-shadow .15s ease, filter .15s ease;
}

input:focus, select:focus, textarea:focus{
  border-color: rgba(37,99,235,.6);
  box-shadow: 0 0 0 4px rgba(37,99,235,.22);
}

input[type="color"]{
  height:44px;
  padding:6px;
}

small{
  display:block;
  margin-top:6px;
  font-size:12px;
  color:var(--muted);
}

hr{
  border:none;
  border-top:1px solid var(--border);
  margin:14px 0;
}

/* ================= BUTTONS ================= */
.btn{
  width:100%;
  padding:10px 14px;
  border-radius: var(--radius-md);
  border:1px solid var(--border);
  background:var(--btn);
  color:var(--text);
  cursor:pointer;
  font-weight:800;
  transition: transform .06s ease, filter .15s ease, box-shadow .15s ease;
  user-select:none;
}

.btn:hover{
  filter: brightness(1.08);
  box-shadow: 0 10px 18px rgba(0,0,0,.28);
}
.btn:active{ transform: translateY(1px); }

.btn.primary{ background:var(--primary); border-color:transparent; }
.btn.danger{ background:var(--danger); border-color:transparent; }

.actions .btn{ width:auto; }

.btn:disabled{
  opacity:.55;
  cursor:not-allowed;
  box-shadow:none !important;
  filter:none !important;
}

/* ================= WORKSPACE ================= */
.workspace{
  position:relative;
  background: rgba(0,0,0,.16);
  border:1px solid var(--border);
  border-radius: var(--radius-lg);
  padding:10px;

  min-height: 0;       /* ✅ para que el grid lo estire */
  overflow:hidden;     /* ✅ el scroll NO va aquí */

  display:flex;
  flex-direction:column;
  gap:10px;
  box-shadow: var(--shadow-md);
}

/* ✅ EL SCROLL VERTICAL VA AQUÍ (para ver toda la hoja) */
.canvasWrap{
  position: relative;
  flex: 1;
  min-height: 0;
  overflow-y: auto;      /* ✅ scroll vertical */
  overflow-x: hidden;
  border-radius: 16px;

  /* evita “saltos” raros al hacer wheel */
  overscroll-behavior: contain;

  /* fondo bonito del área de trabajo */
  background: linear-gradient(
    180deg,
    rgba(11,18,32,.92),
    rgba(11,18,32,.78)
  );
}

/* Scroll del canvas */
.canvasWrap::-webkit-scrollbar{ width: 12px; }
.canvasWrap::-webkit-scrollbar-track{
  background: rgba(255,255,255,.06);
  border-radius: 20px;
}
.canvasWrap::-webkit-scrollbar-thumb{
  background: rgba(148,163,184,.25);
  border-radius: 20px;
}
.canvasWrap::-webkit-scrollbar-thumb:hover{
  background: rgba(148,163,184,.35);
}

/* ✅ contenedor real de Konva (NO debe recortar) */
#stageContainer{
  width: 100%;
  min-height: 100%;
  display:flex;

  /* arriba para ver inicio de hoja */
  align-items:flex-start;
  justify-content:center;

  /* padding para “respirar” */
  padding: 18px 12px 28px;
  overflow: visible;
}

/* Hint */
.hint{
  font-size:13px;
  color:var(--muted);
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}
.hint .sub{ color: rgba(148,163,184,.9); }

/* ================= DRAG & DROP OVERLAY ================= */
.dropOverlay{
  position:absolute;
  inset: 10px;
  border-radius:14px;
  border:2px dashed rgba(37,99,235,.55);
  background: rgba(37,99,235,.14);
  display:none;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:20px;
  font-weight:900;
  color:var(--text);
  z-index:5;
  pointer-events:none;
}

.dropOverlay .sub{
  display:block;
  margin-top:8px;
  font-weight:700;
  font-size:13px;
  color:var(--muted);
}
.workspace.is-dragover .dropOverlay{ display:flex; }

/* ================= PAGINACIÓN ================= */
.pager{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap:10px;
  align-items:center;
}

.pageInfo{ text-align:center; }
.pageLabel{ font-weight:900; font-size:14px; }
#pageSubLabel{
  margin-top:4px;
  font-weight:700;
  color: rgba(229,231,235,.9);
}

/* ================= MODALES ================= */
.modal{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.62);
  display:none;
  align-items:center;
  justify-content:center;
  padding:16px;
  z-index:50;
}
.modal.show{ display:flex; }

.modalCard{
  width:min(980px, 96vw);
  max-height: 92vh;
  overflow:auto;
  border-radius: var(--radius-lg);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(15, 23, 42, .96);
  box-shadow: 0 24px 60px rgba(0,0,0,.6);
}

.modalHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.10);
  position:sticky;
  top:0;
  background: rgba(15, 23, 42, .96);
}

.modalTitle{ font-weight:900; }
.modalBody{ padding:14px; }

.modalNav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:12px;
}

.previewLabel{ font-weight:900; font-size:14px; }

.previewWrap{
  display:flex;
  justify-content:center;
  align-items:center;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 14px;
  padding: 12px;
}

#previewImg,
#viewImg{
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  background:#fff;
}

.muted{ color:var(--muted); }

/* ================= FULLSCREEN WORKSPACE ================= */
body.fullscreen .layout,
body.fullscreen .layout-3col{
  grid-template-columns: 1fr !important;
  padding: 0 !important;
  gap: 0 !important;
  height: 100vh !important;
}

body.fullscreen .panel,
body.fullscreen .topbar{
  display: none !important;
}

body.fullscreen .workspace{
  position: fixed;
  inset: 0;
  z-index: 9999;
  border-radius: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  border: none !important;
  box-shadow: none !important;
  background: #0b1220;
}

body.fullscreen .dropOverlay{
  inset: 18px;
}

body.fullscreen .hint{
  display:none !important;
}

body.fullscreen .canvasWrap{
  flex: 1;
  min-height: 0;
  border-radius: 0;
}

body.fullscreen #stageContainer{
  width: 100%;
  min-height: 100%;
  padding: 18px 12px 28px;
}

/* ================= PRINT ================= */
@media print{
  *{
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    box-shadow:none !important;
    text-shadow:none !important;
    outline:none !important;
  }

  body{
    background:#fff !important;
    color:#000 !important;
  }

  .topbar,
  .panel,
  .hint,
  .dropOverlay,
  .modal{
    display:none !important;
  }

  .layout,
  .layout-3col{
    display:block;
    padding:0;
    height:auto !important;
  }

  .workspace{
    background:#fff !important;
    border:none !important;
    box-shadow:none !important;
    padding:0 !important;
    min-height:auto !important;
  }

  /* Para imprimir, no necesitamos scroll */
  .canvasWrap{
    overflow: visible !important;
    background: transparent !important;
    border-radius: 0 !important;
  }

  #stageContainer{
    padding: 0 !important;
  }
}