:root {
    --color-fondo: #0f172a;
    --color-fondo-degradado: #1e293b;
    --color-primario: #6366f1;
    --color-primario-hover: #4f46e5;
    --color-exito: #22c55e;
    --color-error: #ef4444;
    --color-texto: #f8fafc;
    --color-texto-suave: #94a3b8;
    --color-tarjeta: rgba(255, 255, 255, 0.06);
    --color-borde: rgba(255, 255, 255, 0.12);
    --radio: 20px;
    --fuente: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    font-family: var(--fuente);
    background: radial-gradient(circle at top, var(--color-fondo-degradado), var(--color-fondo));
    background-attachment: fixed;
    color: var(--color-texto);
    -webkit-user-select: none;
    user-select: none;
}

.kiosco {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    padding: clamp(12px, 3vw, 24px);
    padding-top: clamp(48px, 8vh, 64px);
    padding-top: max(clamp(48px, 8vh, 64px), env(safe-area-inset-top));
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    padding-left: max(clamp(12px, 3vw, 24px), env(safe-area-inset-left));
    padding-right: max(clamp(12px, 3vw, 24px), env(safe-area-inset-right));
    position: relative;
}

.reloj {
    text-align: center;
    margin-bottom: clamp(12px, 3vh, 28px);
}

.reloj__hora {
    font-size: clamp(2rem, 9vw, 5rem);
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1;
}

.reloj__fecha {
    margin-top: 4px;
    font-size: clamp(0.8rem, 2.5vw, 1.3rem);
    color: var(--color-texto-suave);
    text-transform: capitalize;
}

.tarjeta {
    background: var(--color-tarjeta);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    backdrop-filter: blur(12px);
    padding: clamp(16px, 4vw, 28px);
    width: min(400px, 94vw);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.pin-display {
    display: flex;
    justify-content: center;
    gap: clamp(8px, 2.5vw, 14px);
    margin-bottom: clamp(16px, 3vh, 24px);
}

.pin-display__dot {
    width: clamp(14px, 3.5vw, 20px);
    height: clamp(14px, 3.5vw, 20px);
    border-radius: 50%;
    background: var(--color-borde);
    transition: background 0.15s ease, transform 0.15s ease;
}

.pin-display__dot.activo {
    background: var(--color-primario);
    transform: scale(1.15);
}

.teclado {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(8px, 2vw, 14px);
}

.tecla {
    font-size: clamp(1.3rem, 4.5vw, 1.8rem);
    font-weight: 600;
    padding: clamp(14px, 3.5vh, 22px) 0;
    border-radius: clamp(12px, 2.5vw, 16px);
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-texto);
    cursor: pointer;
    transition: background 0.15s ease, transform 0.08s ease;
    -webkit-tap-highlight-color: transparent;
}

.tecla:active {
    transform: scale(0.94);
    background: rgba(255, 255, 255, 0.18);
}

.tecla--accion {
    font-size: clamp(0.85rem, 2.5vw, 1.1rem);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-texto-suave);
}

.tecla--confirmar {
    background: var(--color-primario);
}

.tecla--confirmar:active {
    background: var(--color-primario-hover);
}

.mensaje-error {
    text-align: center;
    color: var(--color-error);
    min-height: 20px;
    margin-top: clamp(10px, 2vh, 16px);
    font-weight: 600;
    font-size: clamp(0.8rem, 2.2vw, 0.95rem);
}

.subtitulo {
    text-align: center;
    color: var(--color-texto-suave);
    margin-bottom: clamp(14px, 3vh, 22px);
    font-size: clamp(0.85rem, 2.5vw, 1.05rem);
    line-height: 1.4;
}

/* -------------------- Pantalla de resultado -------------------- */
.resultado {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.resultado.visible {
    opacity: 1;
    pointer-events: all;
}

.resultado--entrada {
    background: radial-gradient(circle at top, #14532d, #052e16);
}

.resultado--salida {
    background: radial-gradient(circle at top, #1e3a8a, #0f172a);
}

.resultado--error {
    background: radial-gradient(circle at top, #7f1d1d, #1f0a0a);
}

.resultado__icono {
    width: clamp(70px, 18vw, 110px);
    height: clamp(70px, 18vw, 110px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(2rem, 6vw, 3.2rem);
    margin-bottom: clamp(14px, 3vh, 24px);
    background: rgba(255, 255, 255, 0.12);
    animation: aparecer 0.4s ease;
}

.resultado__saludo {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 800;
    margin-bottom: 8px;
    animation: aparecer 0.4s ease;
}

.resultado__nombre {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 600;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.9);
    animation: aparecer 0.4s ease 0.1s both;
}

.resultado__hora {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: rgba(255, 255, 255, 0.85);
}

@keyframes aparecer {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.cargando {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-texto);
    border-radius: 50%;
    animation: girar 0.7s linear infinite;
}

@keyframes girar {
    to {
        transform: rotate(360deg);
    }
}

.logo-empresa {
    position: absolute;
    top: clamp(12px, 3vh, 24px);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-texto-suave);
    font-weight: 700;
    letter-spacing: clamp(1px, 0.5vw, 3px);
    text-transform: uppercase;
    font-size: clamp(0.7rem, 2vw, 0.95rem);
    white-space: nowrap;
}

@media (max-width: 480px) {
    .tarjeta {
        padding: 14px;
    }
    .tecla {
        padding: 14px 0;
        font-size: 1.3rem;
    }
    .tecla--accion {
        font-size: 0.8rem;
    }
    .pin-display {
        gap: 8px;
        margin-bottom: 14px;
    }
    .subtitulo {
        margin-bottom: 12px;
    }
    .reloj {
        margin-bottom: 10px;
    }
}

.boton-huella {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    padding: clamp(10px, 2vh, 12px) clamp(20px, 5vw, 32px);
    border-radius: 12px;
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.boton-huella:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
}

.boton-huella:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}