:root{
    --azul:#0ea5e9;
    --azul-oscuro:#0284c7;
    --sidebar:#0f2d34;
    --sidebar-2:#09242b;
    --fondo:#edf3f7;
    --panel:#ffffff;
    --texto:#102027;
    --muted:#667985;
    --linea:#dce5ea;
    --negro:#101820;
    --gris:#f6f9fb;
    --ok:#15803d;
    --error:#b91c1c;
    --sombra:0 12px 30px rgba(15,45,52,.10);
    --radio:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:Arial, Helvetica, sans-serif;
    background:var(--fondo);
    color:var(--texto);
    font-size:15px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
h1,h2,h3,p{margin-top:0}
h1{font-size:30px;margin-bottom:10px;color:#263b43;font-weight:600;letter-spacing:.2px}
h2{font-size:23px;margin-bottom:8px;color:#172f37}
h3{font-size:16px;margin-bottom:8px;color:#273941}
.texto-muted{color:var(--muted);line-height:1.45}

/* ===== Login ===== */
.body-login,.fondo-login{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#0f2d34,#111827)}
.login-wrapper{width:min(930px,100%);display:grid;grid-template-columns:1fr 420px;gap:20px;align-items:stretch}
.login-wrapper-simple{width:min(430px,100%)}
.login-presentacion{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:34px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 20px 50px rgba(0,0,0,.18)}
.brand-login h1{font-size:30px;margin:0 0 10px;color:#fff}
.brand-login p,.login-info-card p,.login-puntos{color:rgba(255,255,255,.78);line-height:1.5}
.login-info-card{margin-top:35px;padding:20px;border-radius:14px;background:rgba(14,165,233,.12);border:1px solid rgba(14,165,233,.20)}
.login-info-card h2{color:#fff;margin-bottom:8px}
.login-puntos{display:grid;gap:8px;margin-top:24px}
.login-card{width:100%;background:var(--panel);padding:32px;border-radius:16px;box-shadow:0 22px 55px rgba(0,0,0,.22);border:1px solid rgba(255,255,255,.25)}
.login-card h1{font-size:27px;color:#172f37}
.login-card p{color:var(--muted);margin-bottom:20px;line-height:1.45}
.login-extra{margin-top:16px;text-align:center;color:var(--muted)}
.link{display:inline-block;margin-top:10px;color:var(--azul-oscuro);font-weight:700;text-decoration:underline}
.brand-icon,.login-avatar,.estadio-decorativo{display:none}

/* ===== Layout parecido al modelo con barra azul y menú lateral ===== */
.app-con-sidebar{min-height:100vh;background:var(--fondo)}
.topbar{
    position:fixed;
    top:0;left:0;right:0;
    height:76px;
    background:var(--azul);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 34px;
    z-index:1200;
    box-shadow:0 3px 0 rgba(0,0,0,.22);
}
.btn-menu{
    width:46px;height:46px;border:0;background:transparent;color:#fff;
    font-size:31px;line-height:1;cursor:pointer;border-radius:8px;
}
.btn-menu:hover{background:rgba(255,255,255,.12)}
.topbar-title{display:flex;flex-direction:column;align-items:center;text-align:center;gap:2px;letter-spacing:.2px}
.topbar-title span{font-size:13px;opacity:.9;text-transform:uppercase;font-weight:700}
.topbar-title strong{font-size:22px;font-weight:800}
.topbar-user{display:flex;align-items:center;gap:12px;font-weight:700;text-transform:lowercase}
.avatar-top{
    width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
    background:linear-gradient(135deg,#8b5cf6,#06b6d4);font-weight:900;color:#fff;
    box-shadow:0 8px 16px rgba(0,0,0,.18);
}
.sidebar{
    position:fixed;
    top:76px;left:0;bottom:0;
    width:250px;
    background:linear-gradient(180deg,var(--sidebar),var(--sidebar-2));
    color:#fff;
    z-index:1100;
    display:flex;
    flex-direction:column;
    box-shadow:9px 0 25px rgba(0,0,0,.12);
}
.sidebar::before{content:"";height:12px;background:#050b0e;display:block}
.sidebar-brand{
    min-height:86px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:8px;
    text-align:center;
    background:rgba(14,165,233,.04);
    border-bottom:1px solid rgba(255,255,255,.08);
}
.logo-panel{
    width:34px;height:34px;display:grid;place-items:center;
    font-size:26px;background:#fff;border-radius:8px;box-shadow:0 8px 18px rgba(0,0,0,.22);
}
.sidebar-brand strong{display:block;font-size:15px;letter-spacing:.5px}
.sidebar-brand small{display:block;font-size:11px;color:rgba(255,255,255,.72);letter-spacing:.8px;font-weight:700}
.sidebar-menu{display:grid;gap:0;padding:0;margin:0}
.sidebar-menu .nav-link{
    height:76px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:7px;
    color:rgba(255,255,255,.92);
    font-weight:800;
    border-bottom:1px solid rgba(255,255,255,.06);
    transition:.18s ease;
    text-transform:uppercase;
    font-size:13px;
}
.sidebar-menu .nav-link:hover,.sidebar-menu .nav-link.active{
    background:var(--azul);
    color:#fff;
}
.nav-icon{font-size:27px;line-height:1;filter:drop-shadow(0 2px 2px rgba(0,0,0,.18))}
.sidebar-user{
    margin-top:auto;
    padding:16px;
    border-top:1px solid rgba(255,255,255,.08);
    background:rgba(0,0,0,.10);
}
.sidebar-user-info{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.avatar-side{width:38px;height:38px;border-radius:50%;background:var(--azul);display:grid;place-items:center;font-weight:900;color:#fff}
.sidebar-user span{display:block;font-weight:800;text-transform:lowercase}
.sidebar-user small{display:block;color:rgba(255,255,255,.70);font-size:12px;margin-top:2px}
.logout-link{display:block;text-align:center;background:#fff;color:var(--sidebar);border-radius:7px;padding:10px;font-weight:800}
.logout-link:hover{background:#eaf7ff;color:var(--azul-oscuro)}
.contenedor{
    width:min(1160px,calc(100% - 32px));
    margin:26px auto;
}
.app-con-sidebar .contenedor{
    margin-left:250px;
    padding:105px 34px 34px;
    width:calc(100% - 250px);
    max-width:none;
    margin-top:0;
    margin-bottom:0;
}
.footer{
    text-align:center;
    color:#d9f4ff;
    background:#09242b;
    padding:17px;
    font-size:14px;
    font-weight:700;
}
.app-con-sidebar .footer{margin-left:250px;width:calc(100% - 250px)}

/* ===== Componentes ===== */
.alerta{padding:13px 15px;border-radius:10px;margin-bottom:18px;font-weight:800;border:1px solid transparent;background:#fff;box-shadow:var(--sombra)}
.alerta-ok{color:var(--ok);border-color:#bbf7d0;background:#f0fdf4}
.alerta-error{color:var(--error);border-color:#fecaca;background:#fef2f2}
.etiqueta-panel,.subtitulo-panel,.login-info-card span,.login-subtitulo{
    display:inline-block;color:#5d7078;font-size:12px;text-transform:uppercase;font-weight:900;letter-spacing:.10em;margin-bottom:8px;
}
.hero-dashboard{
    background:#fff;border:1px solid var(--linea);border-radius:4px;padding:34px 38px;display:grid;
    grid-template-columns:1fr auto;align-items:center;gap:24px;box-shadow:var(--sombra);margin-bottom:26px;
}
.hero-dashboard h1{font-size:34px;color:#1f363f;font-weight:500;margin-bottom:10px;text-transform:none}
.hero-dashboard p{color:#526c77;margin:0;font-size:16px}
.hero-resumen{font-size:16px;color:#23404a;text-align:right}
.hero-resumen strong{display:block;color:#101820;font-size:20px;margin-top:4px}
.cards,.cards-dashboard{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin:22px 0}
.usuarios-resumen{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card,.stat-card,.panel-crud,.formulario,.tabla-responsive,.buscador{
    background:#fff;border:1px solid var(--linea);border-radius:4px;box-shadow:var(--sombra);
}
.stat-card{padding:23px 24px;display:flex;justify-content:space-between;align-items:center;min-height:105px;border-top:4px solid var(--azul)}
.stat-card h3{color:#344b54;font-size:16px;margin-bottom:8px;font-weight:800}
.stat-card strong{font-size:34px;color:#0e181d;font-weight:900}
.panel-crud{padding:28px 30px;margin-top:24px}
.panel-header p{color:var(--muted);font-size:16px}
.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:22px}
.quick-card{display:block;background:#f9fbfc;border:1px solid var(--linea);border-radius:4px;padding:21px 22px;transition:.18s ease}
.quick-card:hover{background:#fff;border-color:var(--azul);transform:translateY(-2px);box-shadow:0 10px 22px rgba(14,165,233,.12)}
.quick-card h3{font-size:17px;color:#0f2d34;margin-bottom:8px;font-weight:900}
.quick-card p{color:var(--muted);line-height:1.45;margin:0}
.titulo-linea,.form-heading-mundial{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:22px;background:#fff;border:1px solid var(--linea);border-radius:4px;padding:22px 24px;box-shadow:var(--sombra)}
.form-heading-mundial{display:block}

/* ===== Formularios ===== */
label{display:block;margin:12px 0 6px;font-weight:800;font-size:13px;color:#2c3e45}
input,select{
    width:100%;padding:11px 12px;border:1px solid #cbd8de;border-radius:4px;outline:none;background:#fff;color:var(--texto);font-size:14px;
}
input:focus,select:focus{border-color:var(--azul);box-shadow:0 0 0 3px rgba(14,165,233,.13)}
.formulario{padding:25px}
.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.campo-completo{grid-column:1/-1}
.acciones-form{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
button,.btn,.btn-secundario,.btn-login,.btn-accion,.editar,.eliminar{
    border:1px solid transparent;border-radius:4px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:800;padding:10px 15px;font-size:14px;line-height:1;
}
button,.btn,.btn-login{background:var(--azul);color:#fff}
button:hover,.btn:hover,.btn-login:hover{background:var(--azul-oscuro)}
.btn-secundario{background:#eef4f7;color:#263b43;border-color:#cbd8de}
.btn-secundario:hover{background:#e1ebf0}
.btn-login{width:100%;margin-top:15px;padding:12px 14px}

/* ===== Tablas ===== */
.buscador{display:grid;grid-template-columns:1fr auto;gap:12px;padding:17px;margin-bottom:22px}
.tabla-responsive{width:100%;overflow-x:auto;padding:18px}
table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
th,td{padding:13px 14px;text-align:left;border-bottom:1px solid #e4ecef;vertical-align:middle}
th{background:#f5fafc;color:#1c3038;font-size:13px;font-weight:900;text-transform:uppercase}
tbody tr:nth-child(odd){background:#fbfdfe}
tbody tr:hover{background:#eef8fd}
.acciones,.acciones-modernas{display:flex;gap:8px;flex-wrap:wrap}
.editar,.btn-accion.editar{background:#fff;border-color:#b9cbd3;color:#193842}
.editar:hover,.btn-accion.editar:hover{border-color:var(--azul);color:var(--azul-oscuro)}
.eliminar,.btn-accion.eliminar{background:#ef4444;border-color:#ef4444;color:#fff}
.eliminar:hover,.btn-accion.eliminar:hover{background:#dc2626}
.bloqueado{background:#eef4f7;border-color:#cbd8de;color:#748893}
.bandera-tabla{width:58px;height:36px;object-fit:cover;border-radius:4px;border:1px solid #cbd8de;box-shadow:0 4px 10px rgba(0,0,0,.08)}
.miniatura{display:block;width:130px;max-height:95px;object-fit:cover;margin-top:10px;border:1px solid #cbd8de;border-radius:4px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:999px;background:#eef8fd;border:1px solid #b9e6fb;color:#075985;font-size:12px;font-weight:900}
.estado-activo{color:#166534;background:#f0fdf4;border-color:#bbf7d0}
.usuario-celda{display:flex;align-items:center;gap:10px}.usuario-celda small{display:block;color:#71848d;margin-top:3px}
.avatar-mini{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--azul);color:#fff;font-size:12px;font-weight:900}
.sin-datos{text-align:center;color:var(--muted);padding:24px}

@media(max-width:900px){
    .topbar{height:68px;padding:0 16px}.topbar-title{display:none}.topbar-user span{display:none}
    .sidebar{position:static;width:100%;padding-top:68px;display:block}.sidebar::before{display:none}
    .sidebar-brand{min-height:72px}.sidebar-menu{grid-template-columns:repeat(2,1fr)}.sidebar-menu .nav-link{height:68px}
    .sidebar-user{display:none}.app-con-sidebar .contenedor{margin-left:0;width:100%;padding:22px}.app-con-sidebar .footer{margin-left:0;width:100%}
    .hero-dashboard{grid-template-columns:1fr}.hero-resumen{text-align:left}.grid-form{grid-template-columns:1fr}.titulo-linea{flex-direction:column}.login-wrapper{grid-template-columns:1fr}.login-presentacion{display:none}
}
@media(max-width:560px){.buscador{grid-template-columns:1fr}.acciones-form>*{width:100%}.sidebar-menu{grid-template-columns:1fr}.hero-dashboard{padding:24px}.panel-crud,.formulario,.tabla-responsive{padding:18px}}


/* ===== Ajuste final solicitado: patrón oscuro, negro, blanco y grises ===== */
:root{
    --azul:#2f3a40;
    --azul-oscuro:#111827;
    --sidebar:#111827;
    --sidebar-2:#05070a;
    --fondo:#e9eef1;
    --panel:#ffffff;
    --texto:#111827;
    --muted:#5f6b73;
    --linea:#d8dee3;
    --negro:#05070a;
    --gris:#f4f6f8;
    --sombra:0 12px 28px rgba(0,0,0,.12);
}
.app-con-sidebar{background:#e9eef1;}
.topbar{
    background:linear-gradient(90deg,#05070a,#1f2933,#05070a);
    border-bottom:3px solid #ffffff;
    box-shadow:0 3px 0 rgba(0,0,0,.45);
}
.btn-menu:hover{background:rgba(255,255,255,.12)}
.topbar-title span{color:#d9dee3;}
.topbar-title strong{color:#ffffff;}
.avatar-top{
    background:linear-gradient(135deg,#ffffff,#9ca3af);
    color:#111827;
    box-shadow:0 8px 16px rgba(0,0,0,.28);
}
.sidebar{
    background:linear-gradient(180deg,#111827,#0b1118 55%,#05070a);
    border-right:1px solid rgba(255,255,255,.09);
}
.sidebar::before{background:#000;}
.sidebar-brand{background:#151f29;border-bottom:1px solid rgba(255,255,255,.10);}
.logo-panel{background:#ffffff;color:#111827;}
.sidebar-menu .nav-link{color:#f5f5f5;border-bottom:1px solid rgba(255,255,255,.08);}
.sidebar-menu .nav-link:hover,
.sidebar-menu .nav-link.active{
    background:#ffffff;
    color:#111827;
    box-shadow:inset 5px 0 0 #6b7280;
}
.sidebar-menu .nav-link:hover .nav-icon,
.sidebar-menu .nav-link.active .nav-icon{filter:none;}
.avatar-side{background:#ffffff;color:#111827;}
.logout-link{background:#ffffff;color:#111827;border:1px solid #d1d5db;}
.logout-link:hover{background:#d1d5db;color:#000;}
.hero-dashboard,
.stat-card,
.panel-crud,
.formulario,
.tabla-responsive,
.buscador,
.titulo-linea,
.form-heading-mundial{
    background:#ffffff;
    border:1px solid #d8dee3;
    box-shadow:0 12px 28px rgba(0,0,0,.10);
}
.stat-card{border-top:5px solid #111827;}
.stat-card h3,.quick-card h3,h1,h2,h3{color:#111827;}
.stat-card strong{color:#000;}
.hero-dashboard h1{color:#111827;font-weight:700;}
.hero-dashboard p,.quick-card p,.panel-header p{color:#4b5563;}
.hero-resumen span{color:#4b5563;font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:12px;}
.hero-resumen strong{color:#111827;}
.quick-card{background:#f8fafc;border-color:#d8dee3;}
.quick-card:hover{background:#ffffff;border-color:#111827;box-shadow:0 10px 22px rgba(0,0,0,.12);}
button,.btn,.btn-login{background:#111827;color:#fff;border-color:#111827;}
button:hover,.btn:hover,.btn-login:hover{background:#000;border-color:#000;}
.btn-secundario{background:#f3f4f6;color:#111827;border-color:#cfd6dc;}
.btn-secundario:hover{background:#e5e7eb;}
input:focus,select:focus{border-color:#111827;box-shadow:0 0 0 3px rgba(17,24,39,.14);}
th{background:#111827;color:#ffffff;}
tbody tr:nth-child(odd){background:#ffffff;}
tbody tr:nth-child(even){background:#f4f6f8;}
tbody tr:hover{background:#e5e7eb;}
.badge{background:#f3f4f6;border-color:#cfd6dc;color:#111827;}
.avatar-mini{background:#111827;color:#fff;}
.footer{
    background:#05070a;
    color:#ffffff;
    letter-spacing:.08em;
    text-transform:uppercase;
    border-top:3px solid #ffffff;
}
.link{color:#111827;}
.login-info-card{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.16);}

/* =========================================================
   REDISEÑO FINAL LOGIN / REGISTRO - limpio, elegante y humano
   ========================================================= */
.fondo-login,
.body-login{
    min-height:100vh;
    width:100%;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:32px 18px;
    background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.07), transparent 28%),
        linear-gradient(135deg,#0d343a 0%, #0f252c 42%, #111827 100%);
}

.login-wrapper,
.login-wrapper-simple{
    width:min(94vw, 460px) !important;
    max-width:460px;
    display:block;
}

.login-card,
.login-card.ancho-registro,
.ancho-registro{
    width:100% !important;
    max-width:460px;
    min-width:0;
    background:#ffffff;
    border:1px solid rgba(255,255,255,.85);
    border-radius:22px;
    padding:38px 40px 34px;
    box-shadow:0 24px 70px rgba(0,0,0,.30);
}

.login-subtitulo{
    color:#6b7280;
    font-size:12px;
    font-weight:900;
    letter-spacing:.18em;
    text-transform:uppercase;
    margin-bottom:12px;
}

.login-card h1{
    color:#0f172a;
    font-size:36px;
    line-height:1.05;
    font-weight:900;
    letter-spacing:-.8px;
    margin:0 0 14px;
}

.login-card p{
    color:#64748b;
    font-size:16px;
    line-height:1.55;
    margin-bottom:26px;
}

.form-login-pro,
.login-card form{
    width:100%;
}

.login-card label{
    color:#111827;
    font-size:14px;
    font-weight:900;
    margin:14px 0 7px;
}

.login-card input,
.login-card select{
    width:100%;
    height:48px;
    padding:0 14px;
    border:1px solid #cbd5e1;
    border-radius:9px;
    background:#ffffff;
    color:#111827;
    font-size:15px;
    transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.login-card input::placeholder{
    color:#94a3b8;
}

.login-card input:focus,
.login-card select:focus{
    border-color:#111827;
    background:#fff;
    box-shadow:0 0 0 4px rgba(17,24,39,.10);
}

.btn-login,
.login-card button[type="submit"]{
    width:100%;
    height:50px;
    margin-top:20px;
    border-radius:9px;
    background:#111827;
    border:1px solid #111827;
    color:#ffffff;
    font-size:15px;
    font-weight:900;
    letter-spacing:.2px;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.btn-login:hover,
.login-card button[type="submit"]:hover{
    background:#000000;
    border-color:#000000;
    transform:translateY(-1px);
    box-shadow:0 12px 24px rgba(0,0,0,.18);
}

.login-extra{
    margin-top:22px;
    text-align:center;
    color:#64748b;
    font-size:15px;
    line-height:1.5;
}

.login-extra .link,
.login-card > .link{
    color:#111827;
    font-weight:900;
    text-decoration:none;
    border-bottom:2px solid #111827;
    margin:8px 8px 0;
}

.login-extra .link:hover,
.login-card > .link:hover{
    color:#374151;
    border-bottom-color:#374151;
}

.login-extra br{
    display:none;
}

.login-extra span{
    display:block;
    margin-bottom:4px;
}

.alerta{
    border-radius:10px;
    margin:0 0 18px;
    box-shadow:none;
}

@media(max-width:520px){
    .fondo-login,
    .body-login{
        padding:18px;
        align-items:flex-start;
    }

    .login-card,
    .login-card.ancho-registro,
    .ancho-registro{
        padding:30px 24px 28px;
        border-radius:18px;
    }

    .login-card h1{
        font-size:31px;
    }

    .login-card p{
        font-size:15px;
    }
}