/* ===========================================================
   PM Zone Suite — Design tokens
   REESTILIZADO al estilo Nextcloud: azul #0082C9 + fondo claro neutro
   (Misma estructura, mismas clases — solo cambian los tokens de color
   y tipografia, para no romper nada del HTML/JS existente.)
   =========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  --ink:#0b1c30;
  --ink-2:#132a4a;
  --paper:#f5f7f9;
  --surface:#ffffff;
  --border:#e0e3e8;
  --text:#1d2327;
  --text-mut:#767c82;
  --accent:#0082C9;
  --accent-ink:#e5f3fb;
  --accent-2:#4d9dd6;
  --warn:#f59e0b;
  --danger:#dc2626;
  --success:#16a34a;
  --radius:8px;
  --radius-lg:12px;
  --shadow:0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --shadow-lg:0 12px 32px rgba(10,25,48,.18);
  --font-ui:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;
  --font-display:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-ui);
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;letter-spacing:-.01em;font-weight:700}
a{color:inherit}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- Layout shell ---------- */
.shell{display:flex;height:100vh;overflow:hidden}

.rail{
  width:76px;background:var(--ink);display:flex;flex-direction:column;
  align-items:center;padding:16px 0;gap:4px;flex-shrink:0;
}
.rail-logo{
  width:40px;height:40px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  background:rgba(255,255,255,.04);
}
.rail-item{
  position:relative;width:56px;height:56px;border-radius:14px;border:none;background:transparent;
  color:#8891a8;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;font-size:9px;font-weight:600;cursor:pointer;transition:color .15s,background .15s;
}
.rail-item:hover{color:#fff;background:rgba(255,255,255,.06)}
.rail-item.active{color:#fff;background:rgba(255,255,255,.1)}
.rail-item.active::before{
  content:'';position:absolute;left:-16px;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.rail-spacer{flex:1}
.rail-user{
  width:40px;height:40px;border-radius:50%;background:var(--ink-2);color:#fff;font-weight:700;
  font-size:13px;display:flex;align-items:center;justify-content:center;margin-bottom:8px;
}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  height:56px;flex-shrink:0;background:var(--surface);border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 20px;gap:12px;
}
.topbar h2{font-size:15px}
.topbar .status-dot{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block;
  box-shadow:0 0 0 3px rgba(22,163,74,.15);margin-right:6px}
.content{flex:1;overflow:auto;padding:22px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 16px;border-radius:10px;border:1px solid transparent;
  font-size:13px;font-weight:600;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-2)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-2)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:var(--paper)}
.btn-danger{background:#fef2f2;color:var(--danger);border-color:#fecaca}
.btn-danger:hover{background:#fee2e2}
.btn-icon{width:36px;padding:0;flex-shrink:0}
.btn-sm{height:32px;padding:0 12px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Cards / surfaces ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}

/* ---------- Forms ---------- */
label.field-label{font-size:11px;font-weight:700;color:var(--text-mut);text-transform:uppercase;letter-spacing:.03em;display:block;margin-bottom:6px}
.input,.textarea,select.input{
  width:100%;border:1.5px solid var(--border);border-radius:10px;padding:10px 12px;
  font-size:13.5px;font-family:inherit;background:var(--surface);color:var(--text);transition:border-color .15s;
}
.input:focus,.textarea:focus,select.input:focus{border-color:var(--accent)}
.textarea{resize:vertical;min-height:70px}
.field{margin-bottom:14px}

/* ---------- Badges / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:99px;font-size:11px;font-weight:700}
.badge-accent{background:var(--accent-ink);color:#0b5a86}
.badge-warn{background:#fffbeb;color:#92400e}
.badge-danger{background:#fef2f2;color:#991b1b}
.badge-mut{background:var(--paper);color:var(--text-mut)}

/* ---------- Tables ---------- */
table.table{width:100%;border-collapse:collapse;font-size:13px}
table.table th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-mut);padding:10px 12px;border-bottom:1px solid var(--border)}
table.table td{padding:10px 12px;border-bottom:1px solid var(--border)}
table.table tr:last-child td{border-bottom:none}
table.table tr:hover td{background:var(--paper)}

/* ---------- Lists (mail / items) ---------- */
.list-item{padding:12px 14px;border-radius:10px;cursor:pointer;transition:background .1s}
.list-item:hover{background:var(--paper)}
.list-item.active{background:var(--accent-ink)}
.list-item.unread{font-weight:700}

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(11,18,32,.5);display:flex;align-items:center;justify-content:center;
  z-index:100;padding:20px;
}
.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:88vh;
  overflow:auto;box-shadow:var(--shadow-lg)}
.modal-head{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-body{padding:20px}
.hidden{display:none!important}

/* ---------- Toast ---------- */
#toastHost{position:fixed;bottom:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{
  background:var(--ink);color:#fff;padding:11px 16px;border-radius:10px;font-size:13px;font-weight:600;
  box-shadow:var(--shadow-lg);animation:toast-in .18s ease-out;
}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--success)}
@keyframes toast-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ---------- Empty state ---------- */
.empty{padding:56px 20px;text-align:center;color:var(--text-mut)}
.empty i{margin-bottom:10px}

/* ---------- Utility ---------- */
.flex{display:flex}
.flex-1{flex:1}
.gap-8{gap:8px}
.gap-12{gap:12px}
.row{display:flex;align-items:center}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mt-12{margin-top:12px}
.text-mut{color:var(--text-mut)}
.text-sm{font-size:12px}
.scroll-y{overflow-y:auto}
.mail-back-btn{display:none}

/* ===========================================================
   Responsive — no cambia nada en desktop (>900px), solo activa
   estas reglas en pantallas de tablet/celular.
   =========================================================== */

/* Tablet: el rail se angosta, quita las etiquetas de texto */
@media (max-width:900px) and (min-width:641px){
  .grid-2{grid-template-columns:1fr}
  .rail{width:64px}
  .rail-item span{display:none}
}

/* Celular: el rail se convierte en barra inferior fija, como una app nativa */
@media (max-width:640px){
  .grid-2{grid-template-columns:1fr}

  .shell{flex-direction:column;height:100dvh}

  .rail{
    width:100%;height:64px;flex-direction:row;justify-content:space-around;
    align-items:center;padding:6px 4px;gap:0;order:2;
    border-top:1px solid rgba(255,255,255,.08);
    padding-bottom:calc(6px + env(safe-area-inset-bottom));
  }
  .rail-logo{display:none}
  .rail-spacer{display:none}
  .rail-user{display:none}
  .rail-item{
    width:auto;height:52px;flex:1;border-radius:10px;font-size:9.5px;padding:0 2px;
  }
  .rail-item.active::before{
    left:50%;top:auto;bottom:0;right:auto;transform:translateX(-50%);
    width:22px;height:3px;
  }
  .rail-item[title="Sign out"]{flex:0 0 auto;width:44px}
  .rail-item[title="Sign out"] span{display:none}

  .main{order:1;min-height:0}
  .topbar{height:50px;padding:0 14px}
  .topbar h2{font-size:14px}
  .topbar .text-mut.text-sm{display:none} /* oculta el email largo, sobra espacio */
  .content{padding:14px}

  /* Formularios y tarjetas a ancho completo */
  .modal-overlay{padding:0;align-items:flex-end}
  .modal{max-width:100%;width:100%;border-radius:16px 16px 0 0;max-height:92dvh}
  .card{padding:14px}

  /* Tablas: scroll horizontal en vez de aplastar columnas */
  .panel{overflow-x:auto}
  table.table{min-width:560px}

  /* Botones que suelen ir en fila, se acomodan mejor apilados */
  .row.gap-8{flex-wrap:wrap}

  /* Mail: en vez de 3 columnas encimadas, se apilan y se alterna entre
     lista y mensaje/compose con el botón "Back". */
  .mail-back-btn{display:inline-flex}
  .mail-panel{flex-direction:column}
  .mail-col-folders{
    width:100%!important;border-right:none!important;border-bottom:1px solid var(--border);
    display:flex!important;flex-direction:row;align-items:center;padding:8px 10px!important;
    overflow-x:auto;gap:8px;flex-shrink:0;
  }
  .mail-col-folders .btn{width:auto!important;flex-shrink:0;margin-bottom:0!important}
  .mail-col-folders #mailFolders{display:flex;flex-direction:row;gap:6px}
  .mail-col-folders #mailFolders .list-item{flex-shrink:0;white-space:nowrap}
  .mail-col-list{width:100%!important;border-right:none!important;flex:1;min-height:0}
  .mail-col-read{display:none}
  .mail-panel.mail-view-read .mail-col-folders,
  .mail-panel.mail-view-read .mail-col-list{display:none!important}
  .mail-panel.mail-view-read .mail-col-read{display:block;flex:1}

  #toastHost{left:14px;right:14px;bottom:78px}
  .toast{width:100%}

  #ticketStats{grid-template-columns:repeat(2,1fr)!important}

  /* Contacts: la tabla se convierte en tarjetas apiladas, no en scroll horizontal */
  .contacts-table{min-width:0!important;display:block}
  .contacts-table tbody, .contacts-table{display:block}
  .contacts-table .contacts-thead{display:none}
  .contacts-table tr{
    display:block;border:1px solid var(--border);border-radius:12px;
    padding:12px 14px;margin-bottom:10px;background:var(--surface);
  }
  .contacts-table td{
    display:block;border-bottom:none!important;padding:3px 0;
  }
  .contacts-table td[data-label]:not([data-label=""])::before{
    content:attr(data-label);display:block;font-size:9.5px;font-weight:700;
    text-transform:uppercase;letter-spacing:.04em;color:var(--text-mut);margin-top:6px;
  }
  .contacts-table td[data-label="Name"]::before{margin-top:0}
  .contacts-table .contacts-actions-cell{
    margin-top:10px;padding-top:10px;border-top:1px solid var(--border)!important;
  }
  .contacts-table .contacts-actions-cell .row{justify-content:flex-end}
}