/* ============================================================
   CasoTransfer · estructura y acabado (v2)
   ------------------------------------------------------------
   Se carga DESPUÉS de theme.css y app.css: aquí vive la
   estructura de escritorio (barra lateral), el acabado plano de
   las tarjetas, la barra inferior del móvil y los retoques de la
   página pública. Nada de esto cambia el marcado del HTML: la
   barra lateral se construye con la cabecera que ya existe.
   ============================================================ */

/* ---------- Acabado general ---------- */
:root {
  --sidebar-w: 262px;
  --page-max: 1240px;
  --line-strong: #24352d;
}

body {
  font-size: 15px;
  letter-spacing: -0.005em;
}

h1 { letter-spacing: -0.035em; }

/* Tarjetas planas: sin degradados, borde fino y una sombra mínima.
   Es lo que hace que el panel deje de parecer «una web de 2010». */
.card {
  background: #0b1411;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: none;
}
.card-head { margin-bottom: 16px; }
.card-head h2 { font-size: 1.02rem; letter-spacing: -0.02em; }
.card-head .sub { font-size: 0.79rem; margin-top: 3px; }
.card-body > *:last-child { margin-bottom: 0; }

/* El título de sección dentro de una tarjeta no se pega al borde. */
.panel { background: var(--bg-soft); }

/* Botón principal sólido, sin degradado ni sombra de neón. */
.btn {
  border-radius: 11px;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0;
  padding: 10px 16px;
}
.btn-primary {
  --btn-bg: var(--green);
  --btn-fg: var(--on-accent);
  border-color: transparent;
  box-shadow: none;
}
.btn-primary:hover { --btn-bg: var(--green-bright); color: var(--on-accent); }
.btn-ghost { --btn-bg: transparent; color: var(--text-dim); }
.btn-ghost:hover { --btn-bg: var(--surface-2); }
.btn-sm { padding: 7px 12px; border-radius: 9px; font-size: 0.78rem; }
.btn-icon { width: 36px; height: 36px; border-radius: 10px; }

/* Cifras grandes y limpias en el panel. */
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 18px 16px;
  position: relative;
  overflow: hidden;
}
.stat::after {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--green);
  opacity: 0.65;
}
.stat .k { font-size: 0.7rem; letter-spacing: 0.08em; color: var(--muted); }
.stat .v { font-size: clamp(1.5rem, 3.4vw, 1.95rem); margin-top: 6px; }
.stat .m { font-size: 0.75rem; margin-top: 2px; }

/* Fila de envío: plana, con un borde que se ilumina al pasar. */
.trow {
  background: var(--surface);
  border-radius: 14px;
  border-color: var(--line);
}
.trow:hover { border-color: var(--line-strong); background: var(--surface-2); }
.trow .thumb { background: var(--bg-soft); border-color: var(--line); }

/* ---------- Pantallas intermedias (tablet) ---------- */
@media (min-width: 900px) and (max-width: 1023px) {
  .topbar { padding: 0 20px; }
  .page { padding: 24px 22px 56px; }
}

/* ============================================================
   Escritorio: la cabecera se convierte en barra lateral
   ============================================================ */
@media (min-width: 1024px) {
  .topbar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px 14px 14px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    background: #060a08;
    backdrop-filter: none;
    z-index: 45;
  }
  .topbar .brand {
    margin: 0 8px 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line-soft);
  }
  .topbar .brand-mark { width: 36px; height: 36px; border-radius: 11px; }
  .topbar .nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;
  }
  .topbar .nav .nav-label {
    display: block;
    padding: 16px 12px 6px;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .topbar .nav .nav-group:first-child .nav-label { padding-top: 2px; }
  .topbar .nav a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.87rem;
    font-weight: 600;
    color: var(--text-dim);
    box-shadow: none;
    white-space: nowrap;
  }
  .topbar .nav a svg {
    width: 18px;
    height: 18px;
    flex: none;
    opacity: 0.7;
    transition: opacity 0.15s ease;
  }
  .topbar .nav a:hover { background: var(--surface-2); color: var(--text); }
  .topbar .nav a:hover svg { opacity: 1; }
  .topbar .nav a[aria-current='page'] {
    background: var(--green-soft);
    color: var(--green-bright);
    box-shadow: inset 0 0 0 1px var(--green-line);
  }
  .topbar .nav a[aria-current='page'] svg { opacity: 1; }
  .topbar .nav .nav-group { display: flex; flex-direction: column; gap: 2px; }
  .topbar .spacer { display: none; }
  .topbar .user-menu {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line-soft);
    gap: 10px;
  }
  .topbar .user-menu .avatar {
    width: 36px;
    height: 36px;
    background: var(--surface-2);
  }
  .topbar .user-menu .btn { margin-left: auto; }
  .topbar .user-meta {
    display: block;
    min-width: 0;
    line-height: 1.2;
    flex: 1 1 auto;
  }
  .topbar .user-meta b { display: block; font-size: 0.82rem; font-weight: 600; }
  .topbar .user-meta small { font-size: 0.68rem; color: var(--muted); }

  .page {
    width: auto;
    max-width: var(--page-max);
    margin: 0 0 0 var(--sidebar-w);
    padding: 30px 34px 72px;
  }
  .page-head { margin-bottom: 22px; }
  .page-head h1 { font-size: 1.65rem; }

  /* La barra inferior ya no tiene sentido con la lateral. */
  .tabbar { display: none; }
}

@media (min-width: 1440px) {
  .page { padding-left: 44px; padding-right: 44px; }
}

/* ============================================================
   Móvil: cabecera compacta y barra inferior tipo aplicación
   ============================================================ */
@media (max-width: 1023px) {
  :root { --header-h: 58px; --tabbar-h: 62px; }

  .topbar {
    gap: 10px;
    padding: 0 14px;
    background: rgba(6, 10, 8, 0.92);
  }
  .topbar .brand-mark { width: 34px; height: 34px; border-radius: 10px; }
  .topbar .brand-mark svg { width: 19px; height: 19px; }
  .topbar .brand-name { font-size: 0.98rem; }
  .topbar .brand-name small { font-size: 0.6rem; }
  .topbar .user-menu { gap: 6px; }
  .topbar .avatar { width: 32px; height: 32px; font-size: 0.72rem; }

  /* Barra inferior: iconos grandes y un botón central elevado. */
  .tabbar {
    align-items: stretch;
    background: rgba(7, 11, 9, 0.96);
    border-top-color: var(--line);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.35);
  }
  .tabbar a {
    gap: 4px;
    font-size: 0.63rem;
    letter-spacing: 0.01em;
    padding-top: 9px;
    position: relative;
  }
  .tabbar a svg { width: 22px; height: 22px; }
  .tabbar a.tab-extra { display: none; }
  .tabbar a.tab-fab { padding-top: 0; justify-content: flex-start; }
  .tabbar a.tab-fab svg {
    width: 50px;
    height: 50px;
    padding: 13px;
    border-radius: 50%;
    background: var(--green);
    color: #03130c;
    border: 3px solid var(--bg);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.45);
    transform: translateY(-13px);
    transition: transform 0.14s ease, background 0.14s ease;
  }
  .tabbar a.tab-fab:active svg { transform: translateY(-11px) scale(0.96); }
  .tabbar a.tab-fab[aria-current='page'] svg { background: var(--green-bright); }
  .tabbar a.tab-fab span { margin-top: -9px; }

  /* El buscador y los filtros se quedan a mano al hacer scroll. */
  .toolbar {
    position: sticky;
    top: var(--header-h);
    z-index: 20;
    margin: -8px 0 12px;
    padding: 10px 0;
    background: rgba(4, 7, 6, 0.94);
    backdrop-filter: blur(10px);
  }
  .toolbar .search { flex: 1 1 100%; }
  .toolbar select { flex: 1 1 auto; min-width: 0; }

  /* Los botones de cada fila, cómodos para el dedo. */
  .trow .row-actions .btn { min-height: 40px; min-width: 44px; }
  .btn-sm { padding: 9px 13px; }

  /* Los modales suben desde abajo, como una hoja. */
  dialog.modal {
    position: fixed;
    inset: auto 0 0 0;
    width: 100%;
    max-width: 100%;
    margin: 0;
    max-height: 92dvh;
    border-radius: 22px 22px 0 0;
    border-bottom: 0;
  }
  dialog.modal .modal-head { padding: 14px 16px; }
  dialog.modal .modal-head h3 { font-size: 1.05rem; }
  dialog.modal .modal-body { padding: 16px; max-height: calc(92dvh - 150px); }
  dialog.modal .modal-foot {
    position: sticky;
    bottom: 0;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
    background: var(--surface-2);
  }
  dialog.modal .modal-foot .btn { flex: 1 1 auto; min-height: 46px; }

  .page { padding: 16px 14px calc(var(--tabbar-h) + 42px); }
  .page-head { margin-bottom: 16px; gap: 10px; }
  .page-head h1 { font-size: 1.32rem; }
  .page-head .sub { font-size: 0.8rem; }
  .page-head .actions { width: 100%; }
  .page-head .actions .btn { flex: 1 1 auto; min-height: 44px; }
  .section { margin-bottom: 18px; }
  .card { padding: 15px; border-radius: 14px; }
  .stat { padding: 15px; border-radius: 14px; }
  .stat .v { font-size: 1.5rem; }
}

/* ============================================================
   Colores de acento (Ajustes → Sitio → Color)
   ------------------------------------------------------------
   `data-accent` se pone en <html>. Cada paleta cambia el verde
   por otro tono sin tocar el resto del tema.
   ============================================================ */
html[data-accent='azul'] {
  --green: #3b82f6;
  --green-bright: #7cb2ff;
  --green-dark: #1d4ed8;
  --green-soft: rgba(59, 130, 246, 0.14);
  --green-line: rgba(124, 178, 255, 0.28);
  --on-accent: #ffffff;
}
html[data-accent='violeta'] {
  --green: #7c5cf0;
  --green-bright: #b49cff;
  --green-dark: #4c2fa8;
  --green-soft: rgba(124, 92, 240, 0.15);
  --green-line: rgba(180, 156, 255, 0.3);
  --on-accent: #ffffff;
}
html[data-accent='ambar'] {
  --green: #d99a2b;
  --green-bright: #f7c96b;
  --green-dark: #8a5a0a;
  --green-soft: rgba(217, 154, 43, 0.14);
  --green-line: rgba(247, 201, 107, 0.3);
  --on-accent: #1a1204;
}
html[data-accent='rojo'] {
  --green: #e2564f;
  --green-bright: #ff8f86;
  --green-dark: #8f2b26;
  --green-soft: rgba(226, 86, 79, 0.14);
  --green-line: rgba(255, 143, 134, 0.3);
  --on-accent: #ffffff;
}

/* ============================================================
   Página pública (el enlace que recibe el cliente)
   ============================================================ */
.pub-wrap { width: min(1020px, 100%); padding: 20px 16px 48px; }
.pub-top { margin-bottom: 18px; }
.pub-hero {
  border-radius: 18px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: none;
  position: relative;
  overflow: hidden;
}
/* Filo superior de acento: da el toque de marca sin recargar. */
.pub-hero::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), transparent 78%);
}
.pub-hero h1 {
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  letter-spacing: -0.04em;
  margin-bottom: 4px;
}
.pub-hero .from { font-size: 0.85rem; color: var(--muted); }
.pub-hero .msg {
  margin-top: 16px;
  padding: 13px 15px;
  border-left: 3px solid var(--green);
  border-radius: 0 10px 10px 0;
  background: var(--bg-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}
.pub-stats { gap: 6px; margin-top: 16px; }
.pub-stats .badge { font-size: 0.74rem; padding: 5px 11px; }
.pub-actions { margin-top: 20px; gap: 10px; }
.pub-actions .btn {
  min-height: 50px;
  padding: 0 22px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
}
.pub-actions .btn-ghost { border-color: var(--line); }

.gallery { margin-top: 22px; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); }
.tile { border-radius: 12px; max-height: 520px; }
.tile:hover { border-color: var(--green-line); }
.files-list { margin-top: 22px; background: var(--surface); }
.frow { padding: 12px 14px; }
.frow:hover { background: var(--surface-2); }
.frow .dl { border-radius: 10px; }
.frow .dl:hover { background: var(--green-soft); }

.pub-foot {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  margin-top: 28px;
}

@media (min-width: 760px) {
  .pub-wrap { padding: 30px 24px 64px; }
  .pub-hero { padding: 30px 34px; border-radius: 22px; }
  .pub-hero h1 { font-size: 2.45rem; }
  .pub-hero .msg { font-size: 0.95rem; }
  .gallery { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
  .pub-foot { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ============================================================
   Ajustes y formularios largos
   ============================================================ */
.settings-layout { gap: 20px; }
.settings-nav { gap: 4px; }
.settings-nav button {
  border-radius: 10px;
  padding: 10px 13px;
  background: transparent;
  border-color: transparent;
  font-size: 0.84rem;
  justify-content: flex-start;
  color: var(--text-dim);
}
.settings-nav button:hover { background: var(--surface-2); border-color: transparent; }
.settings-nav button[aria-current='true'] {
  background: var(--green-soft);
  border-color: transparent;
  box-shadow: inset 0 0 0 1px var(--green-line);
  color: var(--green-bright);
}
@media (min-width: 1024px) {
  .settings-layout { grid-template-columns: 232px minmax(0, 1fr); gap: 24px; }
  .settings-nav { top: 24px; gap: 2px; }
}
.settings-layout .card { padding: 20px 20px 18px; }
.settings-layout .card .form { gap: 18px; }

/* Barra de guardado pegada al pie de la tarjeta: siempre localizable. */
.card-foot { align-items: center; }

/* ============================================================
   Detalles varios
   ============================================================ */
.badge { border-radius: 8px; padding: 4px 9px; font-size: 0.71rem; }
.section-title h2 { font-size: 0.95rem; letter-spacing: -0.01em; }
.page-head .sub { max-width: 62ch; }
.user-meta { display: none; }

.empty {
  background: var(--surface);
  border-color: var(--line);
  border-radius: 16px;
  padding: 40px 20px;
}
.empty .big { font-size: 1.7rem; }

.toast { border-radius: 12px; background: var(--surface-2); }

/* Muestras de color (Ajustes → Sitio) */
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 8px 9px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.swatch:hover { border-color: var(--line-strong); color: var(--text); }
.swatch .sw-dot {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--sw, var(--green));
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.28);
  flex: none;
}
.swatch[aria-pressed='true'] {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--text);
}
.swatch[aria-pressed='true'] .sw-name::after {
  content: ' ✓';
  color: var(--green-bright);
}

/* Filas de uso de disco (Ajustes → Mantenimiento) */
.usage-row { display: flex; flex-direction: column; gap: 3px; }
.usage-row b { font-size: 0.95rem; letter-spacing: -0.01em; }

/* ============================================================
   Nuevo envío: dos columnas en pantalla grande
   ------------------------------------------------------------
   Antes era una columna larguísima con el botón al final, a
   varios scrolls de distancia. Ahora los archivos quedan a la
   izquierda y los detalles + el botón a la derecha.
   ============================================================ */
@media (min-width: 1080px) {
  .upload-form {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 18px;
    align-items: start;
  }
  .upload-form > .card:first-child {
    grid-column: 1;
    grid-row: 1 / span 2;
    position: sticky;
    top: 24px;
  }
  .upload-form > .card:nth-child(2) { grid-column: 2; grid-row: 1; }
  .upload-form > .btn-block { grid-column: 2; grid-row: 2; min-height: 48px; }
  .upload-form .dropzone { padding: 44px 24px; }
}