:root {
    --fondo: #0b0f14;
    --panel: #121a23;
    --borde: #223142;
    --texto: #e8eef4;
    --suave: #9fb0c0;
    --verde: #00e676;
    --amarillo: #ffd447;
    --rojo: #ff5252;
    --azul: #00d5ff;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--fondo);
    color: var(--texto);
    font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

a { color: var(--azul); }

.cab {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--borde);
    background: #0d141b;
}

.marca {
    color: var(--verde);
    font: 700 18px/1 ui-monospace, Menlo, Consolas, monospace;
    text-decoration: none;
    letter-spacing: .5px;
}

.cab nav { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.cab form { margin: 0; }

.caja {
    max-width: 640px;
    margin: 0 auto;
    padding: 20px 16px 40px;
}

.caja.ancha { max-width: 1100px; }

h1 { font-size: 26px; margin: 8px 0 12px; line-height: 1.2; }
h2 { font-size: 20px; margin: 24px 0 10px; }
h3 { font-size: 17px; margin: 18px 0 8px; }

p { margin: 0 0 12px; }

.tarjeta {
    background: var(--panel);
    border: 1px solid var(--borde);
    border-radius: 12px;
    padding: 16px;
    margin: 14px 0;
}

.ticket-datos {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    text-align: center;
}

.ticket-datos .puntos {
    font-size: 40px;
    font-weight: 700;
    color: var(--amarillo);
    line-height: 1.1;
}

.ticket-datos .nombre {
    font-size: 22px;
    color: var(--verde);
    letter-spacing: 4px;
}

.suave { color: var(--suave); font-size: 14px; }

label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 15px; }

input[type=text], input[type=email], input[type=tel], input[type=password], input[type=number], select, textarea {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    color: var(--texto);
    background: #0b121a;
    border: 1px solid var(--borde);
    border-radius: 8px;
}

input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
    outline: 2px solid var(--azul);
    outline-offset: 1px;
}

input.pin {
    font: 700 28px/1.2 ui-monospace, Menlo, Consolas, monospace;
    letter-spacing: 6px;
    text-align: center;
}

.casilla { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 12px 0; }
.casilla input { margin-top: 4px; width: 20px; height: 20px; flex: none; }

button, .boton {
    display: inline-block;
    padding: 13px 18px;
    font: 700 16px/1.2 system-ui, sans-serif;
    color: #04110a;
    background: var(--verde);
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}

button.secundario, .boton.secundario {
    color: var(--texto);
    background: transparent;
    border: 1px solid var(--borde);
}

button.peligro { background: var(--rojo); color: #1a0505; }
button.pequeno { padding: 7px 12px; font-size: 14px; }
form .acciones { margin-top: 16px; }
form .acciones button { width: 100%; }

.error { color: var(--rojo); font-size: 14px; margin: 4px 0 0; }

.aviso, .ok, .mal {
    padding: 12px 14px;
    border-radius: 8px;
    margin: 12px 0;
    border: 1px solid var(--borde);
}
.aviso { background: #2a2412; border-color: #6b5a1a; color: #ffe9a6; }
.ok { background: #0f2a1a; border-color: #1b6b3a; color: #b9f5cf; }
.mal { background: #2a1214; border-color: #7a2a30; color: #ffc2c6; }

details.plegable { border: 1px solid var(--borde); border-radius: 12px; background: var(--panel); margin: 14px 0; }
details.plegable > summary { cursor: pointer; padding: 14px 16px; font-weight: 700; }
details.plegable > div { padding: 0 16px 16px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--borde); text-align: left; vertical-align: top; }
th { color: var(--suave); font-weight: 600; white-space: nowrap; }
.tabla-scroll { overflow-x: auto; }

.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.dato { background: var(--panel); border: 1px solid var(--borde); border-radius: 10px; padding: 12px; }
.dato b { display: block; font-size: 26px; color: var(--amarillo); font-family: ui-monospace, Menlo, Consolas, monospace; }

.menu-admin { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.menu-admin a { padding: 8px 12px; border: 1px solid var(--borde); border-radius: 8px; text-decoration: none; }

footer {
    text-align: center;
    padding: 20px 16px 32px;
    color: var(--suave);
    font-size: 13px;
    border-top: 1px solid var(--borde);
}

@media (min-width: 720px) {
    h1 { font-size: 32px; }
    form .acciones button { width: auto; min-width: 220px; }
}