:root{
  --bg:#ffffff; --panel:#fafafa; --panel-2:#f2f2f2; --border:#e6e6e6;
  --text:#0a1420; --text-2:#4a5b68; --text-3:#8a97a1;
  --accent:#146c74; --accent-hover:#1e96a0;
  --navy:#0b2536; --navy-2:#123349;
  --orange:#e8791f; --orange-hover:#f2953f;
  --danger:#c23b3b; --warn:#c99a1f;
  --cctv:#1f2937; --iluminacion:#c99a1f; --perimetral:#c23b3b; --acceso:#2f5fd6; --alarmas:#d97a2e;
  --radius:10px; --shadow:0 1px 2px rgba(0,0,0,.04), 0 6px 20px rgba(0,0,0,.06);
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:'Inter',system-ui,-apple-system,sans-serif; -webkit-font-smoothing:antialiased;
}
a{color:inherit;}
h1,h2,h3{letter-spacing:-0.02em; margin:0;}
.brand{display:flex; align-items:center; gap:9px; font-weight:700; font-size:15px;}
.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;}

/* ---- Botones ---- */
.btn{
  border:1px solid var(--border); background:var(--panel); color:var(--text);
  padding:10px 18px; border-radius:8px; font-size:13.5px; font-weight:600; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; gap:8px; transition:background .12s;
  text-decoration:none;
}
.btn:hover{background:var(--panel-2);}
.btn-primary{background:var(--orange); color:#fff; border-color:var(--orange);}
.btn-primary:hover{background:var(--orange-hover);}
.btn-block{width:100%;}
.btn-ghost{background:transparent; border-color:transparent;}
.btn-ghost:hover{background:var(--panel-2);}
.btn-danger{color:var(--danger);}
.btn:disabled{opacity:.5; cursor:default;}

/* ---- Formularios de auth ---- */
.auth-shell{min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px;}
.auth-card{width:100%; max-width:400px; border:1px solid var(--border); border-radius:16px; padding:36px 32px; box-shadow:var(--shadow);}
.auth-card h1{font-size:22px; margin-bottom:6px;}
.auth-card .sub{color:var(--text-2); font-size:13.5px; margin-bottom:26px;}
.field{margin-bottom:15px;}
.field label{display:block; font-size:12px; font-weight:600; color:var(--text-2); margin-bottom:6px;}
.field input{width:100%; padding:10px 12px; border:1px solid var(--border); border-radius:8px; font-size:13.5px; font-family:inherit; background:var(--panel); color:var(--text);}
.field input:focus{outline:2px solid var(--text); outline-offset:-1px;}
.field-row{display:flex; gap:10px;}
.field-row .field{flex:1;}
.field-error{color:var(--danger); font-size:11.5px; margin-top:5px; display:none;}
.field.has-error input{border-color:var(--danger);}
.field.has-error .field-error{display:block;}
.form-msg{font-size:13px; padding:10px 12px; border-radius:8px; margin-bottom:16px; display:none;}
.form-msg.error{display:block; background:#fdf1f1; color:var(--danger); border:1px solid #f3d3d3;}
.form-msg.success{display:block; background:#f2f8f2; color:#2e7d32; border:1px solid #d3ecd4;}
.auth-links{display:flex; justify-content:space-between; font-size:12.5px; margin-top:16px; color:var(--text-2);}
.auth-links a{font-weight:600; color:var(--text);}
.auth-foot{text-align:center; font-size:12.5px; color:var(--text-2); margin-top:20px;}

/* ---- Landing ---- */
.landing-header{display:flex; align-items:center; justify-content:space-between; padding:20px 32px; border-bottom:1px solid var(--border);}
.landing-header nav{display:flex; gap:10px;}
.landing-hero{max-width:760px; margin:0 auto; text-align:center; padding:100px 24px 60px;}
.landing-hero h1{font-size:42px; line-height:1.15; margin-bottom:16px;}
.landing-hero p{color:var(--text-2); font-size:16px; max-width:520px; margin:0 auto 32px;}
.landing-hero .cta{display:flex; gap:10px; justify-content:center;}
.landing-features{max-width:900px; margin:0 auto; padding:20px 24px 100px; display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.feature{border:1px solid var(--border); border-radius:12px; padding:22px;}
.feature .dot{width:9px;height:9px;border-radius:3px; margin-bottom:12px;}
.feature h3{font-size:14.5px; margin-bottom:6px;}
.feature p{font-size:13px; color:var(--text-2); line-height:1.5; margin:0;}
@media (max-width:720px){ .landing-features{grid-template-columns:1fr;} .landing-hero h1{font-size:30px;} }

/* ---- Intranet (dashboard + editor) ---- */
.app-header{
  height:56px; display:flex; align-items:center; justify-content:space-between;
  padding:0 20px; border-bottom:1px solid var(--border); background:var(--bg);
}
.breadcrumbs{font-size:12.5px; color:var(--text-2); display:flex; align-items:center; gap:6px;}
.breadcrumbs a{color:var(--text-2); text-decoration:none;}
.breadcrumbs a:hover{color:var(--text);}
.breadcrumbs .sep{color:var(--text-3);}
.user-menu{position:relative;}
.user-menu-btn{display:flex; align-items:center; gap:8px; background:none; border:none; cursor:pointer; padding:6px 8px; border-radius:8px; font-size:13px; font-weight:600; color:var(--text);}
.user-menu-btn:hover{background:var(--panel-2);}
.user-menu-avatar{width:26px;height:26px;border-radius:50%; background:var(--panel-2); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:700;}
.user-menu-dropdown{
  position:absolute; right:0; top:calc(100% + 6px); background:var(--bg); border:1px solid var(--border);
  border-radius:10px; box-shadow:var(--shadow); min-width:180px; padding:6px; display:none; z-index:50;
}
.user-menu-dropdown.open{display:block;}
.user-menu-dropdown a, .user-menu-dropdown button{
  display:block; width:100%; text-align:left; padding:9px 10px; border-radius:7px; font-size:13px;
  background:none; border:none; cursor:pointer; color:var(--text); text-decoration:none;
}
.user-menu-dropdown a:hover, .user-menu-dropdown button:hover{background:var(--panel-2);}
.user-menu-dropdown .danger{color:var(--danger);}

.dash-wrap{max-width:980px; margin:0 auto; padding:44px 24px 60px;}
.dash-greeting h1{font-size:26px; margin-bottom:4px;}
.dash-greeting p{color:var(--text-2); font-size:14.5px; margin:0 0 30px;}
.dash-actions-row{display:flex; gap:10px; margin-bottom:40px; flex-wrap:wrap;}
.section-title{font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--text-3); margin:0 0 14px;}
.section-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:14px;}
.section-head a{font-size:12.5px; font-weight:600; color:var(--text-2); text-decoration:none;}
.section-head a:hover{color:var(--text);}

.project-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:14px; margin-bottom:44px;}
.project-card{border:1px solid var(--border); border-radius:12px; padding:18px; cursor:pointer; transition:border-color .12s, transform .12s; background:var(--panel);}
.project-card:hover{border-color:var(--text-3); transform:translateY(-1px);}
.project-card h3{font-size:15px; font-weight:700; margin-bottom:6px;}
.project-card .tag{font-size:12px; color:var(--text-2); margin-bottom:16px;}
.project-card .meta{font-size:11.5px; color:var(--text-3); display:flex; justify-content:space-between; align-items:center;}
.project-card .card-actions{display:flex; gap:4px;}
.project-card .card-actions button{background:none; border:none; color:var(--text-3); cursor:pointer; padding:2px 4px; font-size:13px;}
.project-card .card-actions button:hover{color:var(--text);}
.badge{display:inline-block; font-size:10px; font-weight:700; padding:2px 7px; border-radius:5px; background:var(--panel-2); color:var(--text-2); text-transform:uppercase; letter-spacing:.03em;}

.empty-state{border:1px dashed var(--border); border-radius:14px; padding:50px 24px; text-align:center; color:var(--text-2);}
.empty-state h3{font-size:16px; color:var(--text); margin-bottom:6px;}
.empty-state p{font-size:13.5px; margin:0 0 20px;}

.skeleton{background:linear-gradient(90deg, var(--panel-2) 25%, #ececec 37%, var(--panel-2) 63%); background-size:400% 100%; animation:sk 1.3s ease infinite; border-radius:12px; height:118px;}
@keyframes sk{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* Modal (compartido) */
.modal-overlay{position:fixed; top:0;left:0;right:0;bottom:0; background:rgba(0,0,0,.35); display:none; align-items:center; justify-content:center; z-index:200; padding:20px;}
.modal-overlay.active{display:flex;}
.modal{background:var(--bg); border-radius:14px; padding:28px; width:100%; max-width:420px; box-shadow:var(--shadow); border:1px solid var(--border);}
.modal h2{font-size:18px; margin-bottom:4px;}
.modal .sub{color:var(--text-2); font-size:13px; margin:0 0 20px;}
.modal-actions{display:flex; justify-content:flex-end; gap:8px; margin-top:22px;}
.toast{
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(10px);
  background:var(--accent); color:#fff; padding:10px 18px; border-radius:8px; font-size:12.5px; font-weight:600;
  opacity:0; pointer-events:none; transition:opacity .15s, transform .15s; z-index:300;
}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0);}

/* ============================================================
   SIDEBAR DE NAVEGACIÓN — mismo patrón de UX que la app de Platzo
   (grupos con encabezado, ítems con ícono+etiqueta, resaltado del
   activo, colapsable) pero con la identidad visual propia de
   Dynamics Design: azul de marca en vez de rojo, tipografía y
   radios ya usados en el resto de la app. Vive en app.css porque
   TODAS las páginas de gestión (Dashboard, Cotizaciones, Planos,
   Catálogo, Mi empresa...) la comparten tal cual — no cada una su
   propia copia.
   ============================================================ */
:root{
  --sb-width:232px; --sb-bg:#111113; --sb-item-text:#A1A1A6; --sb-item-ico:#6E6E73;
  --sb-hover-bg:rgba(255,255,255,.06); --sb-title:#FFFFFF; --sb-sub:#8A93A6; --sb-line:rgba(255,255,255,.09);
  /* Azul de marca de Dynamics, dedicado al sidebar — el resto de la app todavía usa el
     teal/naranja original (--accent/--orange) en botones antiguos; esto es justo lo que
     hay que ir unificando. El sidebar es el primer paso, según lo pedido. */
  --sb-accent:#2563EB; --sb-accent-hover:#1D4ED8;
}
.dd-shell{display:flex; min-height:100vh;}
.dd-sidebar{
  width:var(--sb-width); flex:0 0 auto; background:var(--sb-bg); border-right:1px solid var(--sb-line);
  display:flex; flex-direction:column; position:sticky; top:0; height:100vh;
}
.dd-sb-brand{padding:18px 16px; border-bottom:1px solid var(--sb-line); display:flex; align-items:center; gap:10px;}
.dd-sb-brand .mark{width:34px; height:34px; border-radius:10px; background:var(--sb-accent); display:flex; align-items:center; justify-content:center; font-weight:800; font-size:16px; color:#fff; flex-shrink:0;}
.dd-sb-brand .names{overflow:hidden; white-space:nowrap;}
.dd-sb-brand .soft{font-size:14.5px; font-weight:800; color:var(--sb-title); letter-spacing:-.2px;}
.dd-sb-brand .sub{font-size:10.5px; color:var(--sb-sub); margin-top:1px;}
.dd-sb-nav{flex:1; padding:8px 8px; overflow-y:auto;}
.dd-nav-group-head{padding:14px 10px 5px 8px; font-size:10px; text-transform:uppercase; letter-spacing:.6px; color:var(--sb-sub); font-weight:700;}
.dd-nav-group:first-child .dd-nav-group-head{padding-top:6px;}
.dd-nav-item{
  display:flex; align-items:center; gap:10px; padding:8px 10px; border-radius:9px; cursor:pointer;
  color:var(--sb-item-text); font-weight:600; font-size:13px; margin-bottom:1px; text-decoration:none;
  transition:background .12s, color .12s; min-height:34px; position:relative;
}
.dd-nav-item:hover{background:var(--sb-hover-bg); color:var(--sb-title);}
.dd-nav-item.active{background:var(--sb-accent); color:#fff;}
.dd-nav-item.active::before{content:''; position:absolute; left:-8px; top:50%; transform:translateY(-50%); width:3px; height:60%; background:#fff; border-radius:0 3px 3px 0; opacity:.9;}
.dd-nav-item .ico{width:18px; height:18px; flex-shrink:0; display:inline-flex; align-items:center; justify-content:center; color:var(--sb-item-ico);}
.dd-nav-item .ico svg{width:18px; height:18px;}
.dd-nav-item.active .ico{color:#fff;}
.dd-nav-item:hover .ico{color:var(--sb-accent);}
.dd-nav-item .soon{margin-left:auto; font-size:9.5px; font-weight:700; color:var(--sb-sub); text-transform:uppercase; letter-spacing:.03em;}
.dd-sb-foot{padding:8px 8px 12px; border-top:1px solid var(--sb-line);}
.dd-sb-foot a{display:flex; align-items:center; gap:10px; font-size:13px; color:var(--sb-sub); text-decoration:none; padding:8px 10px; border-radius:9px;}
.dd-sb-foot a .ico{width:18px; height:18px; flex-shrink:0; display:inline-flex; align-items:center; justify-content:center;}
.dd-sb-foot a .ico svg{width:18px; height:18px;}
.dd-sb-foot a:hover{color:var(--sb-title); background:var(--sb-hover-bg);}
.dd-sidebar.collapsed .dd-sb-foot a{justify-content:center; padding:8px;}
.dd-sidebar.collapsed .dd-sb-foot a span:not(.ico){display:none;}
.dd-main{flex:1; min-width:0; display:flex; flex-direction:column;}
/* Estado colapsado — para las herramientas de trabajo (editor de planos, cotizador)
   donde el sidebar de navegación va angosto por defecto y se expande con un clic,
   sin robarle espacio de verdad al lienzo o a la tabla de la cotización. */
.dd-sidebar.collapsed{width:64px;}
.dd-sidebar.collapsed .dd-sb-brand .names{display:none;}
.dd-sidebar.collapsed .dd-sb-brand{justify-content:center; padding:16px 8px;}
.dd-sidebar.collapsed .dd-nav-group-head{display:none;}
.dd-sidebar.collapsed .dd-nav-item{justify-content:center; padding:8px;}
.dd-sidebar.collapsed .dd-nav-item .lbl, .dd-sidebar.collapsed .dd-nav-item .soon{display:none;}
.dd-sb-toggle{
  width:100%; display:flex; align-items:center; justify-content:center; gap:8px; padding:9px; margin-top:2px;
  background:transparent; border:none; border-top:1px solid var(--sb-line); color:var(--sb-sub); cursor:pointer; font-size:12px;
}
.dd-sb-toggle:hover{color:var(--sb-title);}
.dd-sidebar.collapsed .dd-sb-toggle-lbl{display:none;}
@media (max-width: 860px){
  .dd-sidebar{position:fixed; left:0; top:0; bottom:0; z-index:60; transform:translateX(-100%); transition:transform .2s; width:230px;}
  .dd-sidebar.mobile-open{transform:translateX(0);}
  .dd-shell{display:block;}
}
/* Botón de menú (☰) — antes la regla de arriba escondía el sidebar en pantallas angostas
   (justo el ancho de un iPad vertical) sin que existiera ninguna forma de volver a abrirlo. */
.dd-header-menu-btn{display:none; align-items:center; justify-content:center; width:38px; height:38px; border-radius:8px; border:1px solid var(--border); background:#fff; color:var(--text); cursor:pointer; margin-right:6px; flex:0 0 auto;}
.dd-header-menu-btn:hover{background:var(--panel-2);}
.dd-sidebar-scrim{display:none; position:fixed; top:0;left:0;right:0;bottom:0; background:rgba(15,23,42,.42); z-index:59;}
.dd-sidebar-scrim.active{display:block;}
@media (max-width: 860px){
  .dd-header-menu-btn{display:inline-flex;}
  .app-header{position:sticky; top:0; z-index:20;}
}