/* ============================================================
   Portal de Proveedores — sistema de diseño compartido
   Usado por: cotizaciones/ver_cotizaciones, /manuales, /videos
   ============================================================ */
:root{
  --brand:#0f7d92; --brand-d:#0b5e6f; --brand-l:#57a7b3; --accent:#e39a2b;
  --bg:#eef2f4; --surface:#fff; --line:#e2e8ec;
  --ink:#182a30; --muted:#5f727b;
  --ok:#1f9d6b; --ok-bg:#e6f6ef; --closed:#7d8b93; --closed-bg:#eef1f3;
  --radius:16px; --shadow:0 12px 34px -14px rgba(16,54,64,.28);
}
*{box-sizing:border-box;}
body{background:var(--bg);color:var(--ink);margin:0;
     font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;}
a{text-decoration:none;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;width:100%;}

/* Header */
.portal-nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
    backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);}
.portal-nav__inner{gap:16px;min-height:76px;padding-top:8px;padding-bottom:8px;}
.portal-nav__brand img{height:52px;width:auto;display:block;}
.portal-nav__toggler{margin-left:auto;color:var(--brand-d);border:1px solid var(--line);
    border-radius:10px;padding:6px 9px;background:#fff;}
.portal-nav__links{list-style:none;gap:4px;margin:0 0 0 auto;padding:0;align-items:center;}
.portal-nav__links li{display:flex;}
.portal-nav__link{color:#3a4a52;font-weight:600;padding:10px 14px;border-radius:10px;
    font-size:.95rem;transition:.15s;position:relative;}
.portal-nav__link:hover{color:var(--brand);background:rgba(15,125,146,.08);}
.portal-nav__link.is-active{color:var(--brand);}
.portal-nav__link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;
    height:3px;border-radius:3px;background:var(--brand);}
.portal-nav__cta{margin-left:14px;}

/* Botones */
.btn-portal{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;
    font-weight:600;border-radius:12px;padding:12px 22px;font-size:.95rem;line-height:1;transition:.15s;}
.btn-portal--primary{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;
    box-shadow:0 8px 18px -8px rgba(15,125,146,.7);}
.btn-portal--primary:hover{filter:brightness(1.07);transform:translateY(-1px);color:#fff;}
.btn-portal--ghost{background:#fff;border:1px solid var(--line);color:var(--brand-d);}
.btn-portal--ghost:hover{border-color:var(--brand-l);color:var(--brand);background:#f4fafb;}

/* Hero */
.portal-hero{position:relative;color:#fff;padding:48px 0 92px;overflow:hidden;
    background:linear-gradient(135deg,var(--brand-d),var(--brand) 55%,var(--brand-l));}
.portal-hero::after{content:"";position:absolute;inset:0;
    background:radial-gradient(1100px 320px at 88% -20%,rgba(255,255,255,.20),transparent);}
.portal-hero .container{position:relative;z-index:1;}
.portal-hero__tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.30);padding:6px 14px;border-radius:999px;font-size:.78rem;
    font-weight:700;letter-spacing:.05em;text-transform:uppercase;}
.portal-hero__title{font-size:2.5rem;font-weight:800;margin:16px 0 8px;letter-spacing:-.02em;}
.portal-hero__subtitle{font-size:1.06rem;max-width:700px;color:rgba(255,255,255,.92);margin:0;line-height:1.55;}

/* Cards */
.portal-main{margin-top:-58px;position:relative;z-index:2;padding-bottom:40px;
    display:flex;flex-direction:column;gap:22px;}
.portal-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);overflow:hidden;}
.portal-card__head{padding:18px 24px;border-bottom:1px solid var(--line);
    background:linear-gradient(180deg,#fbfdfe,#f4f8fa);}
.portal-card__head--split{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.portal-card__title{margin:0;font-size:1.05rem;font-weight:700;color:var(--brand-d);
    display:flex;align-items:center;gap:10px;}
.portal-card__title i{color:var(--brand-l);}
.portal-card__body{padding:22px 24px;}

/* Filtros */
.portal-filtros{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:16px;align-items:end;}
.portal-field{display:flex;flex-direction:column;gap:6px;min-width:0;}
.portal-field label{font-size:.76rem;font-weight:700;color:var(--muted);
    text-transform:uppercase;letter-spacing:.04em;}
.portal-field .form-control,.portal-input-icon input{width:100%;border:1px solid var(--line);
    border-radius:11px;padding:11px 13px;font-size:.95rem;background:#fff;color:var(--ink);transition:.15s;height:auto;}
.portal-field .form-control:focus,.portal-input-icon input:focus{outline:none;border-color:var(--brand-l);
    box-shadow:0 0 0 3px rgba(87,167,179,.22);}
.portal-input-icon{position:relative;}
.portal-input-icon i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--brand-l);pointer-events:none;z-index:2;}
.portal-input-icon input{padding-left:44px !important;}
.portal-field--action .btn-portal{width:100%;justify-content:center;white-space:nowrap;}

/* Tabla */
.portal-table-wrap{padding:4px 12px 10px;}
table.portal-table{width:100%;border-collapse:separate;border-spacing:0;margin:0;}
table.portal-table thead th{background:transparent !important;color:var(--muted) !important;
    font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
    padding:14px !important;border-bottom:2px solid var(--line) !important;text-align:center;}
table.portal-table thead th:nth-child(3){text-align:left;}
table.portal-table tbody td{padding:14px !important;border-bottom:1px solid var(--line);
    font-size:.9rem;vertical-align:middle;color:var(--ink);}
table.portal-table tbody tr:hover{background:#f6fafb;}
table.portal-table tbody tr:last-child td{border-bottom:none;}
.portal-empty{text-align:center;color:var(--muted);padding:52px 14px !important;}
.portal-empty i{display:block;font-size:2.3rem;color:#c3ced4;margin-bottom:12px;}
.portal-empty span{font-size:.95rem;}
.badge-estado{display:inline-block;padding:6px 13px;border-radius:999px;font-size:.72rem;
    font-weight:700;letter-spacing:.03em;}
.badge-proceso{background:var(--ok-bg);color:var(--ok);}
.badge-cerrado{background:var(--closed-bg);color:var(--closed);}

/* Nota */
.portal-note{display:flex;gap:18px;padding:24px;align-items:flex-start;}
.portal-note__icon{flex:none;width:46px;height:46px;border-radius:12px;background:rgba(227,154,43,.14);
    color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.35rem;}
.portal-note__content h3{margin:0 0 6px;font-size:1.05rem;color:var(--brand-d);font-weight:700;}
.portal-note__content p{margin:0 0 10px;color:var(--muted);line-height:1.55;}
.portal-reqs{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0 0 12px;}
.portal-reqs li{display:inline-flex;align-items:center;gap:8px;background:#f1f6f8;border:1px solid var(--line);
    color:var(--ink);font-weight:600;font-size:.85rem;padding:8px 14px;border-radius:10px;}
.portal-reqs li i{color:var(--ok);}
.portal-note__foot{font-size:.9rem;}
.portal-link{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.portal-link:hover{color:var(--brand-d);text-decoration:underline;}

/* Visor de documento (manual PDF) */
.portal-doc{background:#f3f6f8;}
.portal-doc embed,.portal-doc iframe{width:100%;height:78vh;min-height:560px;display:block;border:0;}

/* Videos */
.portal-videos{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.portal-video{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;}
.portal-video__frame{position:relative;padding-top:56.25%;background:#0b1417;}
.portal-video__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.portal-video__cap{display:flex;align-items:center;gap:10px;padding:14px 16px;font-weight:700;color:var(--ink);font-size:.95rem;}
.portal-video__num{flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:.8rem;}

/* Footer */
.portal-footer{background:#0e2a30;color:#cfe0e4;padding:28px 0;margin-top:8px;}
.portal-footer__inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.portal-footer__brand{background:#fff;border-radius:12px;padding:8px 14px;display:inline-flex;}
.portal-footer__brand img{height:40px;display:block;}
.portal-footer__text{display:flex;flex-direction:column;}
.portal-footer__text strong{color:#fff;font-size:.98rem;}
.portal-footer__text span{font-size:.82rem;color:#9fbac1;}

/* DataTables / helpers requeridos por el JS */
.dataTables_wrapper .dataTables_info{padding:12px 18px;color:var(--muted);font-size:.82rem;}
.paginate_button{display:none;}
.dtr-title{font-size:.8rem;font-weight:700;color:var(--muted);}
.dtr-data{font-size:.85rem;}
.texto_cuadro{padding-left:8px !important;padding-right:8px !important;}
.boton_texto{display:inline-block;width:auto;font-size:.8rem;}

/* Overlay de carga */
#loading{position:fixed;inset:0;background:rgba(244,248,250,.72);backdrop-filter:blur(3px);
    display:none;z-index:999999;}
#loading .loading-text{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);
    text-align:center;color:var(--brand-d);font-weight:600;width:auto;height:auto;margin:0;}
#loading .loading-text img{width:120px;}
.imagen_logo{width:60%;}

@media (max-width:860px){
  .portal-filtros{grid-template-columns:1fr 1fr;}
  .portal-field--grow,.portal-field--action{grid-column:1 / -1;}
  .portal-hero__title{font-size:2rem;}
  .portal-videos{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .portal-nav__links{margin:8px 0;flex-direction:column;align-items:flex-start;width:100%;}
  .portal-nav__cta{margin:8px 0 4px;}
}

/* Página de inscripción/envío */
.portal-cta-row{margin-top:18px;display:flex;justify-content:center;}
.portal-note__list{margin:0 0 12px;padding-left:18px;color:var(--muted);line-height:1.6;font-size:.92rem;}
.portal-note__list li{margin-bottom:6px;}
.portal-readonly .form-control[disabled]{background:#f4f8fa;color:var(--ink);font-weight:600;cursor:default;opacity:1;}