/* =========================================================
   FLUIDOMECÁNICA — Panel administrativo (app-like, mobile-first)
   ========================================================= */
:root{
  --blue:#2c54a4; --blue-700:#1c3b7a; --blue-50:#eef3fb;
  --orange:#ee7b27; --orange-600:#e06b16;
  --ink:#1b2130; --gray:#5b6472; --muted:#8a93a3;
  --line:#e6eaf1; --bg:#f4f6fb; --card:#ffffff;
  --ok:#1c7a44; --ok-bg:#e9f9ef; --err:#c0341f; --err-bg:#fdece9;
  --radius:16px; --radius-sm:11px;
  --shadow:0 8px 24px -14px rgba(20,36,72,.28);
  --sans:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Sora','Manrope',sans-serif;
  --sidebar:264px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.55;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);margin:0;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
.icon{width:1.2em;height:1.2em;flex:none;vertical-align:middle}
.muted{color:var(--muted)} .sm{font-size:.88rem}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:12px 20px;border-radius:12px;font-weight:700;font-size:.95rem;cursor:pointer;border:0;transition:transform .2s,box-shadow .2s,background .2s;font-family:inherit}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 20px -10px rgba(238,123,39,.7)}
.btn-primary:hover{background:var(--orange-600);transform:translateY(-1px)}
.btn-ghost{background:var(--blue-50);color:var(--blue)}
.btn-ghost:hover{background:#e2ebf9}
.btn-sm{padding:9px 15px;font-size:.88rem;border-radius:10px}
.btn-block{width:100%}

/* ==================== AUTENTICACIÓN ==================== */
.auth-body{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:linear-gradient(135deg,var(--blue-700),var(--blue) 55%,#3a68c0)}
.auth-wrap{width:100%;max-width:420px}
.auth-card{background:#fff;border-radius:22px;padding:34px 30px;box-shadow:0 30px 60px -20px rgba(0,0,0,.4)}
.auth-brand{text-align:center;margin-bottom:18px}
.auth-brand img{height:46px;width:auto;margin:0 auto}
.auth-title{font-size:1.5rem;text-align:center}
.auth-sub{text-align:center;color:var(--muted);margin:6px 0 22px;font-size:.95rem}
.auth-form{display:grid;gap:16px}
.auth-back{display:block;text-align:center;margin-top:18px;color:var(--muted);font-size:.9rem}
.auth-back:hover{color:var(--blue)}

/* ---------- Campos ---------- */
.field{display:grid;gap:6px}
.field>span{font-weight:600;font-size:.88rem}
.field input,.field select,.field textarea{font:inherit;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;background:#fbfcfe;color:var(--ink);width:100%;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(44,84,164,.12)}
.field .hint{color:var(--muted);font-size:.8rem}
.pw-wrap{position:relative;display:block}
.pw-wrap input{width:100%;padding-right:46px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:34px;height:34px;background:transparent;color:var(--muted);border:0;border-radius:8px;cursor:pointer;padding:0}
.pw-toggle svg{width:20px;height:20px}
.pw-toggle:hover{background:var(--blue-50);color:var(--blue)}
.check{display:flex;align-items:center;gap:9px;font-size:.92rem;font-weight:500;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--blue)}

/* ---------- Flash ---------- */
.flash{display:flex;gap:10px;align-items:flex-start;padding:13px 15px;border-radius:12px;font-size:.92rem;margin-bottom:12px}
.flash .icon{width:20px;height:20px;margin-top:1px}
.flash-ok{background:var(--ok-bg);color:var(--ok)}
.flash-error{background:var(--err-bg);color:var(--err)}
.flash-stack{padding:0 20px;margin-top:14px}

/* ==================== APP SHELL ==================== */
.app{min-height:100vh;min-height:100dvh}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:22px 16px;z-index:30}
.side-brand{padding:6px 10px 20px}
.side-brand img{height:36px;width:auto}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.side-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--gray);transition:background .2s,color .2s}
.side-link .icon{width:21px;height:21px}
.side-link:hover{background:var(--blue-50);color:var(--blue)}
.side-link.is-active{background:var(--blue);color:#fff}
.side-sub{display:flex;flex-direction:column;margin:2px 0 0 18px;padding-left:12px;border-left:2px solid var(--line)}
.side-sublink{padding:8px 12px;font-size:.9rem;color:var(--gray);border-radius:8px}
.side-sublink:hover{color:var(--blue)}
.side-foot{border-top:1px solid var(--line);padding-top:14px;display:grid;gap:10px}
.side-user{display:flex;align-items:center;gap:10px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--orange));color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700;flex:none}
.avatar-sm{width:34px;height:34px;font-size:.9rem}
.side-user strong{display:block;font-size:.92rem;line-height:1.1}
.side-user small{color:var(--muted);font-size:.8rem}
.side-user{border-radius:12px;padding:6px;transition:background .2s}
.side-user:hover{background:var(--blue-50)}
.side-user.is-active{background:var(--blue-50)}
.side-account{display:flex;align-items:center;gap:8px;color:var(--gray);font-weight:600;font-size:.9rem;padding:8px 10px;border-radius:10px}
.side-account:hover{background:var(--blue-50);color:var(--blue)}
.side-account .icon{width:19px;height:19px}
.side-logout{display:flex;align-items:center;gap:8px;color:var(--err);font-weight:600;font-size:.9rem;padding:8px 10px;border-radius:10px}
.side-logout:hover{background:var(--err-bg)}
.topbar-user{cursor:pointer}
.account-card{max-width:520px}
.account-id{display:flex;align-items:center;gap:14px;padding-bottom:18px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.account-id strong{display:block;font-family:var(--display)}

.main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:14px 26px}
.topbar-title{font-family:var(--display);font-weight:700;font-size:1.15rem}
.topbar-user{display:flex;align-items:center;gap:12px}
.chip-role{background:var(--blue-50);color:var(--blue);font-weight:700;font-size:.78rem;padding:5px 11px;border-radius:99px}
.content{padding:26px;max-width:1100px;width:100%}

/* ---------- Encabezado de página ---------- */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-size:1.5rem}
.ph-title{display:flex;align-items:center;gap:12px}
.back-link{width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--blue)}
.back-link .icon{transform:rotate(180deg)}

/* ---------- Cards de áreas (dashboard) ---------- */
.area-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.area-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:6px;transition:transform .25s,box-shadow .25s,border-color .25s}
.area-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.area-ic{width:52px;height:52px;border-radius:14px;background:var(--blue-50);color:var(--blue);display:grid;place-items:center;margin-bottom:8px}
.area-ic .icon{width:26px;height:26px}
.area-ic.sm{width:42px;height:42px;margin:0}.area-ic.sm .icon{width:22px;height:22px}
.area-name{font-family:var(--display);font-weight:700;font-size:1.1rem}
.area-desc{color:var(--muted);font-size:.88rem;flex:1}
.area-count{color:var(--orange);font-weight:700;font-size:.82rem;margin-top:8px}

/* ---------- Búsqueda ---------- */
.search-bar{display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:0 14px;margin-bottom:18px}
.search-bar .icon{color:var(--muted)}
.search-bar input{flex:1;border:0;background:none;padding:13px 0;font:inherit;outline:none}
.search-clear{color:var(--muted)}

/* ---------- Lista de documentos ---------- */
.doc-list{display:flex;flex-direction:column;gap:10px}
.doc-item{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;transition:box-shadow .2s}
.doc-item:hover{box-shadow:var(--shadow)}
.doc-ext{flex:none;width:50px;height:50px;border-radius:11px;background:var(--blue-50);color:var(--blue);display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:.72rem}
.doc-ext[data-ext="PDF"]{background:#fdeaea;color:#d63b2f}
.doc-ext[data-ext="DWG"],.doc-ext[data-ext="DXF"]{background:#eef0fd;color:#4a4fd6}
.doc-ext[data-ext="XLS"],.doc-ext[data-ext="XLSX"]{background:#e9f7ee;color:#1c7a44}
.doc-ext[data-ext="DOC"],.doc-ext[data-ext="DOCX"]{background:#e8f0fd;color:#2c54a4}
.doc-ext[data-ext="JPG"],.doc-ext[data-ext="JPEG"],.doc-ext[data-ext="PNG"],.doc-ext[data-ext="WEBP"]{background:#fdf1e7;color:#e06b16}
.doc-info{flex:1;min-width:0}
.doc-info strong{display:block;font-size:.98rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-desc{display:block;color:var(--gray);font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-meta{display:block;color:var(--muted);font-size:.78rem;margin-top:2px}
.doc-actions{display:flex;gap:6px;flex:none}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--gray);cursor:pointer;transition:all .2s}
.icon-btn:hover{color:var(--blue);border-color:var(--blue);background:var(--blue-50)}
.icon-btn .icon{width:19px;height:19px}
.icon-danger:hover{color:var(--err);border-color:var(--err);background:var(--err-bg)}

/* ---------- Visor de documentos ---------- */
.viewer{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.viewer-frame{width:100%;height:78vh;border:0;display:block;background:#f7f8fa}
.viewer-img{padding:16px;text-align:center;background:#eef1f6}
.viewer-img img{max-width:100%;height:auto;border-radius:8px;box-shadow:var(--shadow);display:inline-block}
.doc-render{padding:36px 44px;max-width:900px;margin:0 auto;color:#1f2430;line-height:1.6;overflow-x:auto}
.doc-render h1,.doc-render h2,.doc-render h3{font-family:var(--display);margin:1em 0 .4em;color:var(--ink)}
.doc-render p{margin:0 0 .7em}
.doc-render img{max-width:100%}
.doc-render table{border-collapse:collapse;margin:1em 0;font-size:.92rem;width:100%}
.doc-render td,.doc-render th{border:1px solid var(--line);padding:6px 10px;text-align:left}
.doc-sheet{padding:20px;max-width:none}
.doc-sheet h3{margin:14px 0 6px;color:var(--blue)}
.doc-sheet table{border-collapse:collapse;font-size:.86rem;margin-bottom:20px}
.doc-sheet td,.doc-sheet th{border:1px solid var(--line);padding:5px 9px;white-space:nowrap}
.doc-sheet tr:first-child td{background:var(--blue-50);font-weight:700}
.doc-text{padding:24px;margin:0;white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,Consolas,monospace;font-size:.88rem;color:var(--ink);background:#fff}

/* ---------- Estados vacíos ---------- */
.empty{text-align:center;padding:50px 20px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}
.empty .icon{width:44px;height:44px;color:var(--gray);margin:0 auto 12px}
.empty p{margin-bottom:14px}
.empty.big{padding:80px 20px}.empty.big h1{color:var(--ink);margin-bottom:8px}

/* ---------- Cards / formularios ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.form-card{display:grid;gap:16px;max-width:560px}
.form-grid{display:grid;gap:14px;margin-top:12px}
.form-actions{display:flex;justify-content:flex-end;gap:10px}
.collapsible summary{cursor:pointer;font-weight:700;color:var(--blue);display:flex;align-items:center;gap:8px;list-style:none}
.collapsible summary::-webkit-details-marker{display:none}
.collapsible[open] summary{margin-bottom:6px}

/* ---------- Tabs admin ---------- */
.admin-tabs{display:flex;gap:6px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:5px;margin-bottom:18px;width:fit-content;max-width:100%;overflow:auto}
.atab{padding:9px 18px;border-radius:9px;font-weight:600;color:var(--gray);white-space:nowrap}
.atab.is-active{background:var(--blue);color:#fff}

/* ---------- Tabla de datos ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.data-table{width:100%;border-collapse:collapse}
.data-table th{text-align:left;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:14px 16px;border-bottom:1px solid var(--line)}
.data-table td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
.data-table tr:last-child td{border-bottom:0}
.pill{background:var(--blue-50);color:var(--blue);font-weight:700;font-size:.78rem;padding:4px 10px;border-radius:99px}
.pill-blue{background:var(--blue);color:#fff}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:4px}
.dot-on{background:var(--ok)}.dot-off{background:#c9ccd3}
.row-actions{text-align:right;position:relative}

/* mini popover (details) */
.mini{position:relative;display:inline-block}
.mini>summary{list-style:none;cursor:pointer}
.mini>summary::-webkit-details-marker{display:none}
.mini-pop{position:absolute;right:0;top:44px;width:280px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 45px -15px rgba(0,0,0,.35);padding:16px;z-index:15;display:grid;gap:12px}

/* ---------- Roles / áreas ---------- */
.role-cards,.area-admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.role-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.role-head strong{font-family:var(--display)}
.role-head small{display:block}
.check-grid{display:grid;gap:8px;margin:14px 0}
.perm-check{background:var(--blue-50);border:1px solid #dbe6f8;border-radius:10px;padding:10px 12px;margin:12px 0 4px;font-weight:600;color:var(--blue)}
.perm-check .icon{width:18px;height:18px}

/* ---------- Bottom nav (móvil) ---------- */
.bottom-nav{display:none}

/* ==================== RESPONSIVE ==================== */
@media (max-width:860px){
  .sidebar{display:none}
  .main{margin-left:0;padding-bottom:76px}
  .content{padding:18px 16px}
  .topbar{padding:13px 16px}
  .flash-stack{padding:0 16px}
  .bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;background:rgba(255,255,255,.96);
    backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:8px 6px calc(8px + env(safe-area-inset-bottom))}
  .bn-link{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px;color:var(--muted);font-size:.7rem;font-weight:600;border-radius:10px}
  .bn-link .icon{width:23px;height:23px}
  .bn-link.is-active{color:var(--blue)}
  /* tabla -> tarjetas */
  .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%}
  .data-table thead{display:none}
  .data-table tr{border-bottom:8px solid var(--bg);padding:6px 4px}
  .data-table td{border:0;padding:6px 16px;display:flex;justify-content:space-between;gap:12px}
  .data-table td::before{content:attr(data-label);font-weight:700;color:var(--muted);font-size:.8rem}
  .data-table td.row-actions{justify-content:flex-end}
  .data-table td.row-actions::before{display:none}
  .mini-pop{position:fixed;left:16px;right:16px;top:auto;bottom:84px;width:auto}
}
@media (max-width:420px){
  .page-head{align-items:flex-start}
  .area-grid{grid-template-columns:1fr 1fr;gap:12px}
  .area-card{padding:16px}
  .area-ic{width:44px;height:44px}
}